2nd International Conference on
Materials Science and Research

September 26-27, 2018 at Frankfurt, Germany

Program Schedule

  • Keynote Speaker

    Time:

    Title

    Title: The Importance of Materials Science Education in Mechanical Engineering

    Ozer Arnas
    United States Military Academy at West Point, USA
    Biography
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    Biography

    Ozer Arnas
    United States Military Academy at West Point, USA

    Ozer Arnas was educated at Robert College-Istanbul, BSME 1958, Duke University, MSME and North Carolina State University, PhD. He started his academic career at Louisiana State University, 1962, where he is now a Professor Emeritus, 1985. He also taught at the California State University System, 1986-1996. He spent his sabbatical leaves at BogaziciUniversity-Istanbul, University of Liege-Belgium, Eindhoven University of Technology-the Netherlands, University of Padova-Italy, University of Sao Paolo-Brazil and Abo Akademi-Turku, Finland. He has been a Professor at the United States Military Academy at West Point-New York since 1998. He is the author/co-author of over one hundred eighty publications and has a US Patent



    Abstract
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    Abstract

    Ozer Arnas
    United States Military Academy at West Point, USA

    Mechanical Engineering requires a robust course(s) in Materials Science since it deals with energy as well as mechanical systems. As we had demonstrated in early sixties the lack of appropriate materials for power generation in space, current energy systems also lack the most appropriate materials for acceptable levels of efficiency, such as in gas and steam turbine blades, photovoltaics and fuel cells. With the development of nano-mechanics, we had hoped that materials on demand and in the form that they could be used would have been developed. So far this has not proven to be the case. As a mechanical engineer, we have very specific requirements to accomplish our design and products. The availability of such materials is very important for the user of the design. These facts make it very desirable to have the appropriate lectures, courses and textbooks for the undergraduate student. We have to make sure that we can excite them so that they pursue graduate work where they design, build and create new systems. In order to achieve this excitement in the student, we must use the best available textbooks, create experiences in well-developed laboratories and permit creativity even if the initial try fails. We must teach them to learn by their mistakes and support them in their search for creative ways of doing designs. In all institutions that I have been associated with, I have pushed for as many hours as the curriculum would permit to add course(s) in materials science. It does not take much to appreciate the fact that without the appropriate materials, our designs are also not very good. If we could just have the materials for gas-steam turbine blades that could withstand ten-twenty-thirty degrees more, the overall efficiencies will increase thus preserving the fuel resources. For future generations this is a must. Investment in research and development is a must. Government spending on research is a must. Creative design of products is a must. Meaningful teaching/research is a must. We do have challenges ahead of us!

    Keynote Speaker

    Time:

    Title

    Title: On the Way to Physically Correct Indentation Analyses

    Gerd Kaupp
    University of Oldenburg, Germany Biography
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    Biography

    Gerd Kaupp
    University of Oldenburg, Germany

    Prof. Dr. Gerd Kaupp studied chemistry at the University of Würzburg, Germany and was postdoc at Ames, Iowa, Lausanne, and Freiburg i. Br, from where he became associate professor and since 1982 full professor at the University of Oldenburg. He served as guest professor and is now retired and consulting. His expertise is in chemical kinetics, laser photochemistry, waste-free productions, solid-state chemistry, mechanochemistry, atomic force microscopy AFM, scanning near-field optical microscopy SNOM, indentation, standardization in nano-mechanics. He has been keynote speaker in these fields, published numerous scientific papers and books and is inventor of patents in solid-state and environmental chemistry.



    Abstract
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    Abstract

    Gerd Kaupp
    University of Oldenburg, Germany

    Common indentation analyses suffer from iterations, polynomials, and approximations, in order to get along with an incorrect description of the force-depth curve. There is not the "quadratic relation", also assumed in FE-simulations, but a simple undeniable one-page physical deduction proves the empirically found FN = k h3/2-relation. It opposes counter-physical ISO 14577 that violates the first energy law with faulty hardness and elastic modulus (values and dimension, also falsely claiming Young's modulus!) and cannot detect phase transition under load. All types of materials should now be characterized with Hphys (0.8 k : penetration resistance from >3 or >4 nines regression correlation) with the correct dimension (it is the first physically defined hardness ever) and with the not iterated indentation modulus Er-phys. The correct mathematically clear physics offers unexpected applications of nano- and macro-indentation data. Some of these are detection of surface effects and phase changes under load, including their transformation energy and activation energy, all with simple algebra. It includes the determination of correct adsorption energies and should correct all mechanical properties that are still derived from the faulty "HISO" and "EISO" suppositions. This adds increased precision. Clearly, daily life is still at risk as long as counter-physical ISO Standards are not changed: When suppressing basic physical laws, materials fail despite security by not properly fitting together, or because industrial indentations do not exclude multiple phase-transitions, creating interfaces as nucleation sites for cracks that might end catastrophically. The correct physics is of course promising. It requires acknowledgement and further development.

    Conference program will be updated soon...!

    Sessions:
    Materials Science and Engineering & Materials Chemistry and Physics & Materials for Nuclear Energy Applications and Aerospace Applications

    Time:

    Title: Development of Organic Multifunctional Spin Systems

    Shinichi Nakatsuji
    University of Hyogo, Japan

    Biography
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    Biography

    Shinichi Nakatsuji
    University of Hyogo, Japan

    Shin’ichi Nakatsuji obtained a PhD from Osaka University and after studied as a JSPS postdoctoral fellow at the same university, he joined the Faculty of Pharmaceutical Sciences, Nagasaki University, as an assistant professor. He studied one year at the TH (now TU) Darmstadt as an Alexander von Humboldt fellow. In 1990 he moved to the newly founded Faculty of Science at Himeji Institute of Technology (now University of Hyogo) and was appointed as a professor in 1998. He served as the dean of School of Science as well as a councillor of the university and is currently a professor emeritus. He is the author or one of the co-authors of 9 books, 15 reviews and book chapters as well as 12 patents. He has published over 220 scientific papers and has been awarded in 2008 the distinction of Doctor Honoris Causa from Technical University of Iasi in Romania.



    Abstract
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    Abstract

    Shinichi Nakatsuji
    University of Hyogo, Japan

    Considerable attention has been paid during past decades and is still being paid to the development of functional organic systems with multi-properties such as organic magnetic conductors, photochromic magnets, magnetic liquid crystals and so forth and we have been interested in developing organic spin systems combined with conductivity, photochromism, thermochromism, liquid crystalline, or rechargeable battery properties. In this paper we would like to report some of our recent results on the development of organic multifunctional spin systems toward molecular spin devices. A naphthalenediimide derivative carrying TEMPO radical and azobenzene chromophore was found to show photo-responsive magnetic as well as FET properties upon illumination and multi-step charge-discharge properties were observed in some nitroxide-carrying ferrocene derivatives or disulfide compounds. Some radical salts with chromophore and anchor units were proved to work as colored compatibilizers with a squarium dye in the photovoltaic properties. These results will be presented and discussed.

    Time:

    Title: Concentration Dependent Structural, Morphological and Optoelectronic Properties of Sprayed Cadmium Based Transparent Conducting Oxide

    Sandeep Desai
    KITS College of Engineering, India

    Biography
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    Biography

    Sandeep Desai
    KITS College of Engineering, India



    Abstract
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    Abstract

    Sandeep Desai
    KITS College of Engineering, India

    The effect of precursor concentration on the physico-chemical properties of cadmium oxide (CdO) thin films deposited using simple and effective chemical spray pyrolysis technique (SPT) is studied. The X-ray diffraction study shows polycrystalline, face centered cubic structure of CdO films. Field emission scanning electron micrographs and cross-sectional images of CdO thin films shows that morphology of films changes from rough to smooth and thickness of the films increases from 794 nm to 1523 nm, as cadmium content increased in spraying solution. X-ray photoelectron spectroscopy confirms presence of 4d, 4s, 3d5/2, 3d3/2, 3p3/2, 3p1/2 fine structural states of cadmium and 1s fine structure state of oxygen. The optical study shows that the direct band gap energy values decreases from 2.58 to 2.42 eV with increase in precursor concentration which is attributed to B-M effect. The Hall Effect measurement indicates that all the films exhibit n-type semiconducting behavior, the electrical resistivity decreases from 34.5 x 10-4 to 2.7 x 10-4 Ω.cm for 0.025M to 0.1 M solution concentration and further increase to 12.5 x 10-4 Ω.cm for 0.125 M concentration. The CdO thin film deposited with 0.1 M precursor concentration exhibits the best optoelectronics properties amongst the all other CdO films. It shows transmittance of 74 %, high figure of merit of 25.3 x 10-3 (Ω)-1, carrier concentration of 5.87 x 1020 /cm3 and mobility of 40 cm2/Vs. Photoluminescence spectra of CdO thin film gives two significant photoemission peaks at 434 and 539.80 nm (green) when they are excited at 400 nm wavelength.

    Time:

    Title: Distinguishing between Bacterial and Viral Infections Based on Peripheral Human Blood Tests using Infrared Microscopy and Machine Learning for Cancer PatientsduringChemotherapy

    Adam Hamody Agbaria
    Ben Gurion University, Israel

    Biography
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    Biography

    Adam Hamody Agbaria
    Ben Gurion University, Israel

    Adam HamodyAgbaria has completed his M.Sc. Beer-Sheva, Israel. Dept. of Physics, Faculty of Natural Sciences. Supervisors: Prof. Ilana Bar Title of thesis: "Studying Photodissociation of Molecules by Velocity Map Imaging of Ions via Electrostatic Lenses". He is Ph.D. Candidate in Ben-Gurion University of the Negev, Beer Sheva, Israel. Dept. of Physics, Faculty of Natural Sciences. Supervisors: Prof. Daniel H. Rich, Prof. Shaul Mordechai, Prof. Mahmud Hulihel and Dr. Ahmad Salman in vibration spectroscopy and machine learning.



    Abstract
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    Abstract

    Adam Hamody Agbaria
    Ben Gurion University, Israel

    Fourier transform infrared (FTIR)-spectroscopy has been found useful for monitoring the effectiveness of antibiotics during chemotherapy in cancer patients with bacterial infection, in addition, (FTIR)-spectroscopy was used to identify the infectious agent type as either bacterial or viral, based on an analysis of the blood components [i.e., white blood cells (WBC) and plasma] for cancer patients during chemotherapy. From the primary results, diagnostic markers (i.e. RNA/DNA ratio and Amide1/Amide2 ratio) were used for monitoring the biochemical changes in WBCs and plasma during antibiotics and chemotherapy was impressive. We can see trends of several markers. By employing the (FTIR)-spectroscopy of feature extraction with Fisher linear discriminant analysis (FLDA)in order to identify the infectious type, a sensitivity of ~92 % and an accuracy of ~80 % for an infection type diagnosis was achieved. The present preliminary study suggests that FTIR spectroscopy of WBCs is a potentially feasible and efficient tool for the diagnosis of the infection type.

    Time:

    Title: Characterization of Particles with off-Centered Cores by Light Scattering

    Elsayed Esam M. Khaled
    Assiut University, Egypt

    Biography
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    Biography

    Elsayed Esam M. Khaled
    Assiut University, Egypt

    Elsayed Esam M. Khaled is currently a mature professor in Electrical Engineering Department, Engineering Faculty, Assiut University. He received B.Sc. And M.Sc. Degrees from Elec. Eng. Depat, Assiut University in 1976 and 1982 respectively. In 1985 to 1987 he was a research assistant at Concordia University, Montreal, Canada where he pursued some Graduate courses at McGill and Concordia Universities. He received his Ph.D degree from Clarkson University, New York, USA in 1992. He worked as an Assistant professor in Sultanate of Oman from 1998 to 2004. He was a Vice Dean for students affairs, Engineering Faculty, Sohag University in 2008 - 2012 and Vice Dean for community services and environment affairs in 2008 – 2009. He was the Dean for the same Faculty in 2012 - 2014. His publications are around 85 in international journals and conferences. His research interests are Laser scattering by particles and clusters, Microwave propagation and scattering, Antennas designs in different bands, Light wave and micro- nano-electronic devices.



    Abstract
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    Abstract

    Elsayed Esam M. Khaled
    Assiut University, Egypt

    The optical characteristics of a cluster consisting of zinc sulfide (ZnS) particles doped with a nonconcentric spherical copper (CU) cores illuminated with an arbitrarily focused Gaussian beam are presented. The presented aggregations of nonconcentric doped particles (i.e. core with offset origin) form linear chains or densely packed clusters. The laser beam is modeled using angular spectrum of plane waves method and then combined with the cluster T-matrix method which is modified to solve such difficult multiple scattering problem. This combination provides a powerful mathematical technique to obtain the phase (scattering) matrix of a cluster illuminated with any incident electromagnetic fields. The scattering matrix provides complete descriptions of the scattering characteristics in the far field zone. The computed results are shown for different beam waist with respect to the cluster. The scattering processes and its results help understanding many cluster characteristics and nonlinear processes. The presented numerical results show that the elements of the scattering matrix are sensitive to the focusing of the incident beam and characteristics of the cluster constituents. The illustrated results are important for researches aim to improve polymer properties and to study several branches of practical sciences and industries such as nanotechnology, pharmaceuticals, chemistry, and biology. This paper represents the first attempt to study the multiple scattering from a cluster of nonspherical particles with nonconcentric spherical cores illuminated by an arbitrarily focused laser beam.

    Time:

    Title: Numerical Model to Estimate tool Wear and Pin Shape During Friction Stir Welding of CuCrZr Alloy

    Amit Arora
    Institute of Technology Gandhinagar, India

    Biography
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    Biography

    Amit Arora
    Institute of Technology Gandhinagar, India



    Abstract
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    Abstract

    Amit Arora
    Institute of Technology Gandhinagar, India

    Computational models have been of great use to understand various aspects of welding processes and can be useful to understand tool wear during friction stir welding(FSW) of high strength materials.However, computational models are not available for estimation of tool wear and pin shape during FSW of high strength materials. A three dimensional heat transfer andvisco-plastic material flow based model is developed to estimate tool wear and worn out tool pin shape of H13 steel tool during FSW of CuCrZralloy. Mass, momentum and energyconservation equations are solved to compute temperature evolution and material flow. The computed temperatures are used to calculate forces and stresses acting on the tool.The estimated tool pin shape from the model are compared with experimentally observed shape for various combinations of process parameters. The developed wear model can be used to understand and estimate worn out tool shape during FSW of several other high strength materials. Keywords: Friction Stir Welding, High strength materials, Numerical modelling, Thermal cycle, Tool wear, Pin shape

    Time:

    Title: Pseudopotential for Many-Electron Atoms

    Eric OumaJobunga
    Technical University of Mombasa, Kenya

    Biography
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    Biography

    Eric OumaJobunga
    Technical University of Mombasa, Kenya

    Dr. Eric OumaJobunga holds a Doctorate degree in Theoretical Physics from Humboldt University of Berlin, a Master’s of Science degree in Atomic Physics and a Bachelor of Education (Science) degree with specialization in Mathematics and Physics from Kenyatta University. He is currently a Physics lecturer and a Chairman of Mathematics and Physics department at the Technical University of Mombasa. His research interests span investigation of the structure of matter and field-matter interaction processes.



    Abstract
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    Abstract

    Eric OumaJobunga
    Technical University of Mombasa, Kenya

    Atoms form the basic building blocks of molecules and condensed matter. Other than hydrogen atom, all the others have more than one electron which interact with each other besides interacting with the nucleus. Electron-electron correlation forms the basis of difficulties encountered in many-body problems. Accurate treatment of the correlation problem is likely to unravel some nice physical properties of matter embedded in this correlation. In an effort to tackle this many-body problem, two complementary parameter-free pseudopotentials for n-electron atoms and ions are suggested in this study. Using one of the pseudopotentials, near-exact values of the groundstate ionization potentials of helium, lithium, and berrylium atoms have been calculated. The other pseudopotential also proves to be capable of yielding reasonable and reliable quantum physical observables within the non-relativistic quantum mechanics.

    Time:

    Title: Toward Energy Efficient Reverse Osmosis Polyamide Thin Film Composite Membrane based on Diaminotoulene

    Mohamed Ismail
    Alexandria University, Egypt

    Biography
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    Biography

    Mohamed Ismail
    Alexandria University, Egypt



    Abstract
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    Abstract

    Mohamed Ismail
    Alexandria University, Egypt

    Thin film composite (TFC) membranes with polyamide (PA) as an active layer synthesized via interfacial polymerization (IP) are dominant in reverse osmosis (RO). This work report the development of TFC-PA-RO membrane that minimizes the energy consumption while maintains superior membrane separation properties. The TFC-PA-RO membranes were prepared by IPof 2,6 diaminotoluene (DAT) and trimesoyl chloride (TMC) on polysulfone (PS) support. The conventional monomer, m-phenelynediamine (MPD), is replaced by DAT monomer, DAT.These membranes were characterized by infrared spectroscopy, scanning electron microscope (SEM), and contact angle measurements.It was found that the optimum preparation conditions to obtain the highest performance of the synthesized membranes indicated soaking DAT (1 wt %) for 2 min, TMC (0.15 wt %) for 0.5 min and curing the resultant membrane at 75 0C for 5 min. The synthesized membranes by these conditions exhibited a salt rejection of 99.54 % and a permeate water flux of 11.4 L/m2.h at bar operating pressure of 18 for 10 g L−1NaCl solution. Also these membranes produced a salt rejection of 98.25 % and a permeate water flux of 9.3 L/m2. h at 35 bar operating pressure for 35 g L−1NaCl solution. This low pressure compared with the commercial membranes that operate at 55 bar for sea water desalination saves the energy consumed by the RO system to 1.29 kWh/m3. Keywords: Reverse Osmosis; Polyamide; Thin film composite; Membrane; Desalination

    Sessions:
    Materials for Energy and Environment & Earth and Planetary Materials at High Pressures and Temperatures & Synthesis & Architecture of Materials

    Time:

    Title: Synthesis, characterization, DFT calculations, NLO Properties and Different Applications of Ni(II), Pd(II), Pt(II), Mo(IV) and Ru(I) Complexes with NOS Schiff Base

    Samir El-Medani
    Fayoum University, Egypt

    Biography
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    Biography

    Samir El-Medani
    Fayoum University, Egypt



    Abstract
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    Abstract

    Samir El-Medani
    Fayoum University, Egypt

    Thermal reaction of Ni(NO3)2.6H2O, PdCl2, PtCl2, Mo(CO)6 and Ru3(CO)12with the prepared Schiff base ligand N-(2-hydroxy-1-naphthylidene)-2-aminothiophenol (H2L) resulted in the formation of the five complexes; [Ni(HL)2], 1; [Pt(H2L)Cl2], 2; [Pd2(HL)2Cl2], 3; [Mo(O2)(H2L)], 4; and [Ru(CO)3(HL)], 5. The studied compounds were characterized using different spectroscopic techniques (IR, 1H NMR, mass) elemental analyses, magnetic measurement, molar conductance, and thermal analysis. Theoretical calculations based on accurate DFT approximations were used to verify the structures of ligand and complexes. Coats and Redfern method was used to compute the kinetic and thermodynamic parameters. The relative reactivities were estimated using chemical descriptors analysis. The antioxidant activity against DPPH radical was evaluated in vitro by using spectrophotometric methods; the experiments showed potent antioxidant activity. Also, the interaction of the reported compounds with calf thymus DNA (CT-DNA) by different techniques revealed that the complexes could bind to CT-DNA by intercalative mode. Antibacterial activities of the synthesized compounds have been studied against Gram-positive and Gram-negative bacteria by the agar well diffusion. The antifungal activity of the synthesized compounds was tested using agar well diffusion method. The binding of the reported complexes to calf thymus DNA has been investigated using fluorescence and UV-Vis absorption spectra. The results indicated a much lower binding affinity of the ligand than that of the complexes.

    Time:

    Title: Microstructural Basis of Thermoelasticity and Pseudoelasticity in Shape Memory Alloys

    Osman Adigüzel
    Firat University, Turkey

    Biography
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    Biography

    Osman Adigüzel
    Firat University, Turkey

    Dr Adiguzel graduated from Department of Physics, Ankara University, Turkey in 1974 and received PhD- degree from Dicle University, Diyarbakir-Turkey. He studied at Surrey University, Guildford, UK, as a post doctoral research scientist in 1986-1987, and studied on shape memory alloys. He worked as research assistant, 1975-80, at Dicle University and moved to Firat University, Elazig, Turkey in 1980. He became professor in 1996, and he has already been working as professor. He published over 50 papers in international and national journals; He joined over 100 conferences and symposia in international and national level as participant, invited speaker or keynote speaker with contributions of oral or poster. He served the program chair or conference chair/co-chair in some of these activities. In particular, he joined in last four years (2014 - 2017) over 30 conferences as Keynote Speaker and Conference Co-Chair organized by different companies. He supervised 5 Ph.D and 3 M.Sc- theses. Dr. Adiguzel served his directorate of Graduate School of Natural and Applied Sciences, Firat University, in 1999-2004. He received a certificate awarded to him and his experimental group in recognition of significant contribution of 2 patterns to the Powder Diffraction File – Release 2000. The ICDD (International Centre for Diffraction Data) also appreciates cooperation of his group and interest in Powder Diffraction File.



    Abstract
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    Abstract

    Osman Adigüzel
    Firat University, Turkey

    Shape memory effect (SME) is a peculiar property exhibited a series alloy systems. Successive structural transformations govern memory behavior. These transformations are induced by decreasing temperature and stressing material in low temperature by means of thermal induced and stress induced martensitic transformations. Shape memory effect is performed only thermally after these processes in a temperature interval, and this behavior is called thermoelasticity. Thermal induced martensitic transformation occurs as martensite variants with lattice twinning by means of shear-like mechanism in crystallographic scale, in materials on cooling. Twinned martensite structures turn into detwinned martensite structure by means of stress induced transformation by deforming plastically in martensitic condition. Martensitic transformations occur by two or more lattice invariant shears on a {110}-type plane of austenite matrix which is basal plane or stacking plane for martensite. Shape memory alloys exhibit another property called pseudoelasticity (PE), which is performed in only mechanical manner. These alloys can be deformed in parent phase region just over austenite finish temperature, and recover the original shape on releasing the stress in pseudoelastic manner. Both SME and PE is associated martensitic transformation. SME is a result of thermally induced martensitic transformation and deformation of material in the product martensite region, whereas PE is the result of stress-induced martensitic transformation, which occurs by only mechanical stress at a constant temperature. With this stress, parent austenite phase structures turn into the fully detwinned martensite. Copper based alloys exhibit this property in metastable β-phase region. Lattice invariant shears are not uniform in these alloys, and the ordered parent phase structures martensitically undergo the non-conventional long-period layered structures on cooling. The long-period layered structures can be described by different unit cells depending on the stacking sequences on the close-packed planes of the ordered lattice. The close-packed planes, basal planes, exhibit high symmetry and short range order as parent phase. The unit cell and periodicity is completed through 18 layers in direction z, in case of 18R martensite, and unit cells are not periodic in short range in direction z. In the present contribution, x-ray and electron diffraction studies were carried out on two copper based CuZnAl and CuAlMn alloys. These alloy samples have been heat treated for homogenization in the β-phase fields. X-ray diffraction profiles and electron diffraction patterns reveal that both alloys exhibit super lattice reflections inherited from parent phase due to the displacive character of martensitic transformation. X-ray diffractograms taken in a long time interval show that diffraction angles and intensities of diffraction peaks change with the aging time at room temperature, and this result leads to the rearrangement of atoms in diffusive manner. Keywords: Shape memory effect, martensitic transformation, thermoelasticity, pseudoelasticity, lattice twinning and detwinning.

    Time:

    Title: Assembly and Folding of Twisted Baskets in Organic Solvents

    Kornkanya Pratumyot
    King Mongkut’s University of Technology Thonburi, Thailand

    Biography
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    Biography

    Kornkanya Pratumyot
    King Mongkut’s University of Technology Thonburi, Thailand

    Dr. Kornkanya Pratumyot, Lecturer of Chemistry at King Mongkut’s University of Technology Thonburi, is an experimental chemist with research interests in the area of Biomimetic and Bio-Inspired Materials, Supramolecular Chemistry, Host-Guest Chemistry, Nanomaterials, Drug Delivery, and Gene Therapy. Dr. Kornkanya was born in 1986 in Rayong, Thailand. She graduated from Chulalongkorn University (Bangkok, Thailand) with a B.Sc. in Chemistry, 1st class honor, in 2009. She received her Ph.D. in Organic Chemistry from the Ohio State University, USA in 2016. She joined the faculty at King Mongkut’s University of Technology Thonburi in 2017.



    Abstract
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    Abstract

    Kornkanya Pratumyot
    King Mongkut’s University of Technology Thonburi, Thailand

    The twisted baskets of type (P)-3 are container shaped organic molecules that possessquinoline gates on the top, above the cavity. These cavitandshave characteristic chiral environment(ECCD). The quinoline gates of these chiral basketswere found to fold in polar acetonitrile and unfold in less polar dichloromethane (1H NMR). Interestingly, the cup-shaped (P)-3 assembled into large unilamellar vesicles in their both folded and unfolded stages (DLS, TEM, SEM). Moreover, the (P)-3 typed baskets were capable of binding to Cu(II) forming Cu(II) ⸦ (P)-3 complex (1H NMR, ECCD, Hi-Res ESI) with square pyramidal coordination geometry about the Cu(II) center (EPR). The ability of twisted baskets to form functional nanostructured materials and bind to metals could be of interest for building stereoselective sensors and catalysts.

    Time:

    Title: Pollution and Environment: Refrigeration and Air Conditioning

    Abdeen Omer
    Energy Research Institute (ERI), UK

    Biography
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    Biography

    Abdeen Omer
    Energy Research Institute (ERI), UK

    Dr. Abdeen Mustafa Omer (BSc, MSc, PhD) is an Associate Researcher at Energy Research Institute (ERI). He obtained both his PhD degree in the Built Environment and Master of Philosophy degree in Renewable Energy Technologies from the University of Nottingham. He is qualified Mechanical Engineer with a proven track record within the water industry and renewable energy technologies. He has been graduated from University of El Menoufia, Egypt, BSc in Mechanical Engineering. His previous experience involved being a member of the research team at the National Council for Research/Energy Research Institute in Sudan and working director of research and development for National Water Equipment Manufacturing Co. Ltd., Sudan. He has been listed in the book WHO’S WHO in the World 2005, 2006, 2007 and 2010. He has published over 300 papers in peer-reviewed journals, 200 review articles, 7 books and 150 chapters in books.



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    Abstract

    Abdeen Omer
    Energy Research Institute (ERI), UK

    Over the years, all parts of a commercial refrigerator, such as the compressor, heat exchangers, refrigerant, and packaging, have been improved considerably due to the extensive research and development efforts carried out by academia and industry. However, the achieved and anticipated improvement in conventional refrigeration technology are incremental since this technology is already nearing its fundamentals limit of energy efficiency is described is ‘magnetic refrigeration’ which is an evolving cooling technology. The word ‘green’ designates more than a colour. It is a way of life, one that is becoming more and more common throughout the world. An interesting topic on ‘sustainable technologies for a greener world’ details about what each technology is and how it achieves green goals. Recently, conventional chillers using absorption technology consume energy for hot water generator but absorption chillers carry no energy saving. With the aim of providing a single point solution for this dual purpose application, a product is launched but can provide simultaneous chilling and heating using its vapour absorption technology with 40% saving in heating energy. Using energy efficiency and managing customer energy use has become an integral and valuable exercise. The reason for this is green technology helps to sustain life on earth. This not only applies to humans but to plants, animals and the rest of the ecosystem. Energy prices and consumption will always be on an upward trajectory. In fact, energy costs have steadily risen over last decade and are expected to carry on doing so as consumption grows. This study discusses the potential for such integrated systems in the stationary and portable power market in response to the critical need for a cleaner energy technology for communities. Throughout the theme several issues relating to renewable energies, environment and sustainable development are examined from both current and future perspectives. Keywords: Energy saving; Energy efficiency, Sustainable technologies; Heat exchangers; refrigerant; Future prospective

    Time:

    Title: Kenya International Radio Observatory (KIRO) Background and Motivation

    J. Otieno Malo
    The University of Nairobi, Kenya

    Biography
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    Biography

    J. Otieno Malo
    The University of Nairobi, Kenya



    Abstract
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    Abstract

    J. Otieno Malo
    The University of Nairobi, Kenya

    The aim of the space sciences is to explore and understand the large scale environment of the Earth with its natural and man-made variations. This encompasses studies of processes in regions ranging from the surface of the sun and the planets, through the solar and interplanetary plasma, to the magnetosphere, ionosphere and neutral atmosphere enveloping the Earth. To study the fundamental physical principles governing the solar-terrestrial environment, powerful scientific instruments are required. Satellite observations can only provide a limited set of local snapshots from this environment and must be complemented by observations of processes taking place on large spatial scales and over extended time periods. We propose here the construction of KIRO, a judiciously designed radio facility, versatile and flexible enough to allow the study of a large variety of physical phenomena in virtually all space regions of interest, from the Earth’s neutral atmosphere to the Sun and beyond, with one and the same instrument. We are proposing to build a new type of versatile, multi-purpose, world-class radio facility for space, environmental, and communications research, to be located in Kenya, near the geomagnetic equator. The KIRO will be radio facility designed foremost for the study of terrestrial magnetosphere, ionosphere and neutral the terrestrial magnetosphere, ionosphere and neutral atmosphere using traditional as well as newly developed diagnostic techniques. With its flexible modular design, KIRO will be ideally suited for studies of the fundamental physical and chemical processes in the upper atmosphere, the ionosphere and the magnetosphere which have a decisive influence on life on Earth. Professor Joseph O. Malo

    Time:

    Title: Surface Degradation of Wind Turbine Blades: Computational Modelling

    Leon Mishnaevsky
    Technical University of Denmark, Denmark

    Biography
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    Biography

    Leon Mishnaevsky
    Technical University of Denmark, Denmark



    Abstract
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    Abstract

    Leon Mishnaevsky
    Technical University of Denmark, Denmark

    Wind turbine blade erosion is now the largest issue of wind energy development, affecting all wind turbine types and offshore operators. Leading edge erosion (LEE) is responsible for more than 5% reduction of annual energy production for a utility-scale wind turbines [1,2]. Leading edge erosion leads to huge maintenance and downtime costs. For example, the power company Ørsted announced in 2016 that all 273 blades at their Horns Rev 2 offshore wind farm, which has been operational for six years, were severely eroded. The way to protect the wind turbines against erosion is the using of advanced polymer coatings. In order to develop the new optimized coatings, computational modelling and numerical testing can support the materials development and testing. In this presentation, the methods of computational modelling of leading edge erosion and the numerical studies of the effect of the coatings on the blade degradation. In the computational model, the material under droplet was designed as multilayered materials, with two layer protective coating, gelcoat, and filler, all on the top of laminate. In this way, the model can be used for optimization of protective coatings and their structures, testing various parameters of the protective systems and development of recommendations to their improvement. The model is used to study various coating structures, and compare two extreme cases, namely, stiff upper coating/soft lower coating and, inversely, soft upper coating/stiff lower coating placed on homogeneous gelcoat, filler and laminate. It was demonstrated that varying the stiffness and amount of protective layers, one can control the damage initiation and growth if composites. Highest stresses are observed for the case of stiff upper coating, while soft upper coating (placed on the top of stiff) keeps the stresses relative low.

    Time:

    Title: Characterization and Efficiency Improvement Studies of Tio2 Based Dye-Sensitized Solar Cells

    Nickson L
    Kenyatta University, Kenya

    Biography
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    Biography

    Nickson L
    Kenyatta University, Kenya

    Mr.NicholasMusila is a male Kenyan citizen. He is a Tutorial fellow in department of Physics, Kenyatta University and a PhD student in the department of Physics. His PhD thesis title is: “Characterization and efficiency improvement studies of TiO2 based dye-sensitized solar cells.” He holds a Master of Science in Electronics and Instrumentation degree and Bachelor of Education (Science)- Second Class, Upper Division Physics (Major) degree from Kenyatta University.



    Abstract
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    Abstract

    Nickson L
    Kenyatta University, Kenya

    Dye-sensitized solar cell (DSSC) offers an economically reliable alternative in moderating the challenges presented by the existing convectional photovoltaic cells. Whereas, for convectional solar cells the semiconductor adopts both the duty of light absorption and charge carrier transport, these two functions are separated in DSSCs. However, the efficiency of DSSCs has remained relatively low. For this reason, this research was aimed at how to improve the efficiency of DSSCs. To achieve this, the nano-porous TiO2particles were synthesized by both sol-gel and hydrothermal methods. In the sol-gel case, mixtures of titanium (IV) isopropoxide, 2-propanol, glacial acetic acid and water, in the ratio 8:16:11, were vigorously stirred for an hour. The white precipitates formed mixturethat formed was heated at 80ºC, stirred magnetically for 8 hours and allowed to cool. In hydrothermal synthesis, TiO2 nanotubes were prepared by subjecting the precursor TiO2 nanoparticles (prepared in sol-gel process) to a strong base (NaOH solution) in a Teflon-lined stainless autoclave at 110oC for 20 hours. PH-value regulation of the paste was done by treating it with 65% concentrated nitric acid. To achieve particle dispersion, the produced slurry was then ultrasonically treated for 20 minutes, centrifuged and washed with ethanol so as to remove unwanted nitric acid. The TiO2 compact layer was deposited on a conductive glass substrate by using spray pyrolysis and then TiO2 nanoparticles and nanotubes by screen printing technique on top of a glass slide with or without the TiO2 compact layer. The Hall Effect measurementrevealed that F:SnO2 coated glass and the screen printed TiO2 nanoparticle thin films had Hall voltage values of 6.218×10-2 V and 3.62 V respectively. X-ray diffraction revealed that TiO2nanoparticles had tetragonal crystalline structure which had cell parameters a= 3.7710 Å and c= 9.4300 Å. SEM micrographs showed that TiO2 nanotubes had a skein-likemorphology with abundant number of nanotubes intertwined together to form a large surface area film. Optical characteristics of TiO2films showed that TiO2had both direct and indirect band gaps of 3.81 eV and 3.67 eV respectively.Solar cell performance propertiesrevealed that introducing compact layer to the solar cell improved the performance by 145% (from 1.31% to 3.21%), TiCl4 post-treatment of DSSCs increased efficiency by 67.88% (from 1.65% to 2.77%) while TiCl4 treatment on compact layered DSSCs increased the efficiency by 28.79% (from 0.66% to 0.85%). Finally the experimental data was validated using a single diode theoretical model and non-linear fitting routine fminsearchoptimization function implemented in MATLAB software.

    Sessions:
    Session 3:Advanced and Functional Materials (Biomaterials, Nanomaterials, etc)

    Time:

    Title: Design Principle of Multi-Functional Materials

    Kenji Uchino
    Pennastate University, USA

    Biography
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    Biography

    Kenji Uchino
    Pennastate University, USA

    Kenji Uchino, the pioneer in ‘piezoelectric actuators’, is Director of International Center for Actuators and Transducers, Professor of EE and MatSE, and Distinguished Faculty of Schreyer Honors College at The Pennsylvania State University. He was Founder and Senior Vice President of Micromechatronics Inc., PA from 2004 till 2010, and Associate Director at Office of Naval Research – Global from 2010 till 2014. After his Ph. D. degree from Tokyo Institute of Technology, Japan, he became Research Associate (1976) at this university. Then, he joined Sophia University, Japan as Associate Professor in 1985. He was recruited from The Penn State in 1991. Fellow of American Ceramic Society and IEEE.



    Abstract
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    Abstract

    Kenji Uchino
    Pennastate University, USA

    We are the inventors/discoverers of magnetoelectric laminated composites, photostrictive actuators, and converse flexoelectric devices, ‘monomorphs’. This paper introduces the general design principle of these multifunctional materials, using so-called ‘functionality matrix’, which is composed by a 5 x 5 matrix to correlate the input parameters (electric field, magnetic field, stress, heat and light) with the output parameters (charge/current, magnetization, strain, temperature and light). In order to create the ‘magenetoelecric effect’, we can combine ‘magnetostriction’ and ‘piezoelectric’ effect (i.e., product of individual functionality matrixes) as this sequence: first, magnetostriction matrix multiplied by piezoelectric matrix. A PZT disk is sandwiched by two Terfenol-D (magnetostrictor) disks. When a magnetic field H is applied on this composite, Terfenol-D expands, which is mechanically transferred to PZT, leading to the high detection performance (∂E/∂H). Similarly, photostrictive effect can be obtained by coupling photovoltaic effect and piezoelectric effect. A bimorph unit has been made from PLZT 3/52/48 ceramic doped with slight addition of W. The remnant polarization of one PLZT layer is parallel to the plate and in the direction opposite to that of the other plate. When a violet light is irradiated to one side of the PLZT bimorph, enormous photovoltage of 1 kV/mm is generated, causing a bending motion. The tip displacement of a 20mm long bimorph with 0.4mm in thickness was ±150m. Stress-gradient in terms of space in a dielectric material exhibits piezoelectric-equivalent sensing capability (i.e., ‘flexoelectricity’), while electric-field gradient in terms of space in a semiconductive piezoelectric can exhibit bimorph-equivalent flextensional deformation, as converse flexoelectricity (‘monomorph’). When the piezoelectric or electrostrictor is slightly semiconductive, contraction along the surface occurs through the piezoelectric effect only on the side where the electric field is concentrated via the Schottky barrier effect.

    Time:

    Title: Effects of Preheat Treatment on the Microstructure and Tensile Properties of an Al-Cu-Mg Alloy Subjected to the Cold Ecap Process

    Seyed Husein Hasani Najafabadi
    Italy

    Biography
    χ

    Biography

    Seyed Husein Hasani Najafabadi
    Italy



    Abstract
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    Abstract

    Seyed Husein Hasani Najafabadi
    Italy

    The effect of preheat treatment on microstructure and tensile properties of 2024 alloy subjected to equal channel angular pressing (ECAP) process was investigated in this study. Specimens were heat treated via two conditions before subjecting them to ECAP; I) Partially annealed at 345oC for 2 hours, then cooled in air; II) Solution annealed at 500oC for 40 min, then water quenched. The results showed that partially annealed specimens were recrystallized so that they could be deformed by cold ECAP process up to 4 passes. The yield stress (YS) of these specimens changed from 170MPa to 450 MPa after 4 passes of ECAP; however the YS of solution annealed specimen increased after one pass of cold ECAP, from 185 MPa to 575 MPa. The increase of YS of partially annealed specimen after 4 passes of ECAP was due to an increase in dislocation density, whereas the sharp increase observed in the YS of solution annealed specimen after one pass of ECAP was not only due to an increase in dislocation density but also due to dynamic age hardening occurred during ECAP. Numerous short shear bands were generated in the microstructure of the specimen ECAPed for one pass after solution annealing, so that shear mode of fraction was developed in this specimen during tensile test. Keywords: ECAP; aluminum alloy; Heat treatment; shear bands; strengthening

    Time:

    Title: Graphene Oxide/Brushite Cement: Promising Composites for Load Bearing Bone Substitutes

    Ammar Zeidan Ghailan Alshemary
    Karabuk University, Turkey

    Biography
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    Biography

    Ammar Zeidan Ghailan Alshemary
    Karabuk University, Turkey

    DrAmmar Z. Alshemary is an Assistant Professor in the Biomedical EngineeringDepartment at the Karabuk University. He achieved his PhD in materials chemistry in 2015 at Universiti Teknologi Malaysia, Malaysiaunder the supervision of Prof. Dr Rafaqat Hussain. And then DrAmmar joined Prof.Dr Zafer Evis’s lab as a postdoc from 2015 to 2016. After joining the Karabuk university in 2016, DrAmmar works on developing functional and bioactive biodegradable inorganic/organic biomaterial scaffolds and translational research for tissue repair and regeneration, and drug deliveryapplications.



    Abstract
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    Abstract

    Ammar Zeidan Ghailan Alshemary
    Karabuk University, Turkey

    Brushite (CaHPO4 • 2H2O) cementhas been shown to increase bone mineral density. However, low mechanical properties of the brushite cement under physiological conditions has limited its clinical use.In the present study,(1 gm) of (β-tricalcium phosphate (β-TCP)mixed with different fractions (0.05 and 0.10 Wt. %)of graphene oxidematerials)was reacted with (1 gm) of monocalcium phosphate monohydrate [Ca(H2PO4)2•H2O, MCPM] in the presence of (1 ml) of water to furnish corresponding graphene oxide/brushite cement. The microstructure of cement composites wasinvestigated using X-ray diffractometry (XRD) and field emission scanning electron microscopy (SEM). The effect of graphene oxide on the structural and mechanical properties of the brushite cement is clarified. Primary outcomes indicate that the presence of graphene oxide increases the compressive strength of brushite cement, from 6.453 (Pure brushite) to 6.457 (0.05% graphene oxide/brushite cement). Further studies are required to investigate the biological properties of cement composites.

  • Sessions:
    Computational Materials Science & Nanotechnology in Materials Science

    Time:

    Title: Application of the New Computational Method to the Analysis of Microporous Structure of the Carbonaceous and Mineral Adsorbents

    Mirosław Kwiatkowski
    AGH University of Science and Technology, Poland

    Biography
    χ

    Biography

    Mirosław Kwiatkowski
    AGH University of Science and Technology, Poland

    Dr. Mirosław Kwiatkowski in 2004 obtained Ph.D. degree from the Faculty of Energy and Fuels at the AGH University of Science and Technology in Kraków, and in 2018 D.Sc. degree (habilitation) from the Faculty of Chemistry at the Wrocław University of Technology in the discipline: chemical technology. His published work includes more than 45 papers in reputable international journals and 75 conference proceedings. He is the editor in chief of The International Journal of System Modeling and Simulation (United Arab Emirates), an associate editor of Micro & Nano Letters Journal (United Kingdom) and a member of the many editorial board of internationals journals as well as a member of the organizing and scientific committees international conferences in Europe, Asia and USA and a regular reviewer in a reputable scientific journals.



    Abstract
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    Abstract

    Mirosław Kwiatkowski
    AGH University of Science and Technology, Poland

    The work presents the original results of a research into analysing the microporous structure of carbonaceous and mineral adsorbents. The calculations were carried out with the use of the new computational method with implemented original mathematical models of the adsorption on heterogeneous surfaces. The used method yield a broader range of highly reliable information on the analysed structure and consequently constitute an alternative to the popular simple and most sophisticated method of the description of the porous structure. More specifically, reliable information is collected as to the shape and size of the analysed micropores, the type of the existing limitations on the growth clusters of adsorbate molecules, the degree of surface heterogeneity, and the distribution of adsorption energy on the surface of the analysed material. The presented research provided also reliable information on the usefulness of the employed method of porous structure description for practical technological applications and scientific research, as well as the possibilities to make practical use of the research results.

    Time:

    Title: 2D Layered Pnictogenenes Rediscovered for Electrochemical Applications

    Rui Gusmão
    University of Chemistry and Technology, Czech Republic

    Biography
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    Biography

    Rui Gusmão
    University of Chemistry and Technology, Czech Republic

    RuiGusmão received his PhD degree in Chemistry from the University de Barcelona, Spain (2012). As a postdoctoral researcher, he firstly worked at University of Porto, Portugal, and University of Minho, Portugal. In 2016, he joined Prof. Pumera’s group at Nanyang Technological University (Singapore). He is currently a Research Fellow at the Center for Advanced Functional Nanorobots, in Prague, Czech Republic. His research interests include the fundamental electrochemical studies of 2D layered materials for sensing and energy related application. He has authored more than 20 publications ininternatinoal peer-review journals and has an h-index of 9.



    Abstract
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    Abstract

    Rui Gusmão
    University of Chemistry and Technology, Czech Republic

    The bulk form of orthorhombic black phosphorus (BP) layered structure was first synthesized in 1914 but received sparse attention until it was rediscovered in 2014 in the new wave of 2D layered nanomaterials. Nevertheless, the development of BP applications has been hampered by its surface degradation, thus efforts to achieve effective BP passivation are ongoing. Subsequently, interest has turned onto other 2D monoelementalmonolayer structures of the pnictogens group: arsenene, antimonene and bismuthene. Their properties differ significantly upon crystal structure and delamination. It can be envisage their future applications in several research fields, such as self-propelled micro/nanodevices for on-demand delivery in electronic and biological systems. Herein we demonstrate that aqueous shear exfoliation can be used to obtain pnictogen (P, As, Sb and Bi) exfoliated nanosheets. Morphological and chemical characterization of the exfoliated materials shows a decrease in thickness, sheet to nanosheet scale and partial oxidation due to the higher surface area. Nanosheets degradation can be minored with functionalization strategies. Electrochemical performancesare tested in terms of inherent electrochemistry and heterogeneous electron transfer. Potential energy-related applications are evaluated in the hydrogen evolution reaction (HER), oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) with shear exfoliated Sb having the best electrochemical performance overall. These findings can have a profound impact on the preparation and energy applications of pnictogen 2D materials.

    Time:

    Title: Analysis of Wear Debris from Lubricated Machinery to Human Joints

    Sayed Akl
    British University in Egypt (BUE), Egypt

    Biography
    χ

    Biography

    Sayed Akl
    British University in Egypt (BUE), Egypt

    Dr. Sayed Akl is a Professor in the Mechanical Department from British University in Egypt (BUE).He completed his Ph. D in Mechanical Engineering, Tribology, National Institute of Applied Sciences, Lyon, France, 1983. His Fields of Interest in Planning, Supervising and Participating in Applied Researches in different areas like Wear, Material , Lubrication, corrosion, Vehicle Power Pack, Transmission and Suspension , Nano-materials and also in Modules: Production Technology.



    Abstract
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    Abstract

    Sayed Akl
    British University in Egypt (BUE), Egypt

    In Lubricated Machines, wear particles analysis is a condition monitoring technique used to monitor the contact condition of two surfaces in contact and in relative motion. Wear is resulting from the generated friction between the two surfaces. Wear and friction are two main disciplines of Tribology, the science dealing with interacting surfaces including wear, friction and lubrication. Qualitative, quantitative and morphological data could be obtained from the wear particle analysis through the periodically taken samples of the lubricant. This is implemented through different techniques to indicate the wear mode and severity. In human joints, hips, knees, ankles, shoulders, elbows and finger joints, the phenomena of Tribology is found including wear , friction and lubrication. Wear particles are generated from cartilages and bones and released into the synovial fluid. The generated wear particles could be used for monitoring the joints condition. This is applied for natural and artificial joints and artificial joints as well. Debris materials could be metals, polymers, ceramics, cements as well as cartilage and bone materials. Analysis of these particles could be an effective tool for disease diagnosis especially in the early stages. In this study, a survey of the applications of the wear particle analysis in human joints is presented, the similarity of the Tribological aspects between the lubricated machines and human joints is introduced and the different techniques used in this analysis is are indicated. Recommendations for future works are offered.

    Time:

    Title: Analyis by AES and EELS Spectroscopy of in PO4 and in 2O3 Developed on InP Substrate

    Hamaida kheira
    Algeria

    Biography
    χ

    Biography

    Hamaida kheira
    Algeria



    Abstract
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    Abstract

    Hamaida kheira
    Algeria

    The indium oxide In2O3 and InPO4 are the transparent conducting oxides (T .C.O) appropriate to several applications in optoelectronic field . The irradiation by 4keV energy on the InP substrate led to genereate two oxides such as InPO4 and In2O3. Developed on the InP. Owing the both methods of Analyis, Auger Electron Spectroscopy (AES) and Electron Energy Loss Spectroscopy (EELS) thy can detected the presence of these oxides. When using the treatments by Casa XPS and webPlotDigezer softwares, the quantities of InPO4 and In2O3 have been estimated according to the time of electron irradiation.

    Time:

    Title: Frequency Effect on Carbon Nanotube-Based Gas Sensors and Contacts

    Sholeh Alaei
    Islamic Azad University, Iran

    Biography
    χ

    Biography

    Sholeh Alaei
    Islamic Azad University, Iran



    Abstract
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    Abstract

    Sholeh Alaei
    Islamic Azad University, Iran

    The carbon nanotubes (CNTs) due to their specific properties are among promising materials for nanoelectronics, both as elements for MOSFETs and Schottky-junction diodes, opteoelectronics, solar cells, sensors, biosensors, energy sorage, biomedical applications and air and water filterations. Semiconducting or metallic nanotubes are found depending on the topological arrangements, chirality and diameter of carbon atoms in the nanotube matrix. In nanoelectronic applications, the semiconducting nanotubes are very favorable for incorporating in field effect transistors(FETs) and Schottky barriers. Furtheremore, in terms of sensing applications,CNT-based gas sensors are of great interest for detectingvarious gases like carbon dioxide, hydrogen, nitrogen dioxide and etc [1-3]. Most of these senors are based on electrical conductance variation of semiconduting carbon nanotubes. Many studies have been done in various sensing applications of CNT-based sensors [4,5]. Considering the importance of CNT-based sensors, This study presents our investigation about the effects of frequency on the growth of carbon nano particles and CNTs particularly MWCNTs, development of CNT-based gas sensors and the electrical properties of CNT-metal contacts. High voltage arc discharge method [6] is used for fabrication of CNTs in the form of gas sensors on the base ofohmic or Schottky contacts. The effect of frequency on the performance, sensitivity of gas sensors and electrical properties of CNTs were perused. Electrical properties were characterized by I-V curves after fixing frequency. It is observed that the conductivity of prototype carbon nanotube Schottky contactsand sensitivity of CNTS-based sensors alters under frequency modification. Furthermore, as complementary studies, a model has been developed for CNT gas sensor exposed to various gases to provide a platform for checking the effect of frequency on the performance of CNT contacts.

    Sessions:
    Ceramics, Polymers, Electrical, Optical, Magnetic and Composite Materials & Smart Materials and Structures & Surface Science and Engineering

    Time:

    Title: Industrial Scale Graphene Manufacturing Method and its Application on Protective Coatings

    Anand Khanna
    Indian Institute of Technology, India

    Biography
    χ

    Biography

    Anand Khanna
    Indian Institute of Technology, India

    Prof. A.S.Khanna is a Senior Professor at Metallurgical Engineering and Materials Science Department, Indian Institute of Technology, Bombay, India. He has been in IIT Bombay since March 1991, and is teaching Corrosion related topics and Surface Engineering. He is dedicated teacher with expertise in High Temperature Corrosion, High Temperature Materials and Surface Engineering. In the last 25 years, he has guided 27 Ph.d’s and, more than 130 Master’s and B.Tech projects. His research Topics are High Temperature Corrosion, Surface Modifications by laser and thermal spray methods, Organic Paint Coatings, Smart Coatings such as Self Cleaning and Self Healing Coatings, Graphene Research. He has extensive publication list with more than 180 papers in peer reviewed International Journals, thru’ which he has got about 2500 Citations. He has attended several International Conferences and presented papers. He has another hundred papers as conference proceedings and Book Chapters. Prof. Khanna has received several Awards. He is Fellow ASM International and NACE International, Life member of Indian Institute of Metals and Society for Electrochemical Science. He is a founder Chairman of SSPC India, a professional body which hold National/International conferences on coatings and Surface Engineering and conducts industrial courses and training programs.. He is a fellow of Humboldt Foundation Bonn and also of Royal Norwegian Science and Technology and Fellow of Japan Key Centre. He has done post doctoral work at France, Germany and Japan. He has already written three books, two on high temperature Corrosion and one on High Performance organic coatings. He has also edited 5 conference proceedings. He has organized more than 25 National and International conferences. Prof. Khanna is also very active socially. He is an active member of Rotary International and has been President of Rotary Club in Mumbai.



    Abstract
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    Abstract

    Anand Khanna
    Indian Institute of Technology, India

    Applications of Graphene are continuously increasing day by day confirming its importance. We have recently found tremendous use of graphene in enhancing the properties of the organic coatings. We could make pre-treated graphene on metals which showed water permeation rate almost an order of magnitude lower than that of a silane coating of same thickness. In the same way we found that graphene dispersed in epoxy creates a epoxy primer which is twice as corrosion resistant as Inorganic Zinc Silicate primer and almost 10 times more effective than the well-known epoxy zinc rich coatings. In addition there was enhanced UV resistance when exposed to UV weathering, the fracture strength increased by several fold. In order to use graphene for such application, one requires graphene in powder form and thus there was need to find out a cost effective, eco-friendly synthesis method of graphene. We looked into the feasibility of various methods to form powders. Graphene by oxidation method, though gives good yield is impure. Exfoliation method gives very low yield. We therefore created a special exfoliation method known as Pressure Exfoliation method, where we separate various layer of graphene from powder graphite using high pressure. The yield of this method is close to 20%. The graphene formed is a purest form of graphene with 3-4 layer thick. It is defect free graphene as confirmed by detailed Raman Spectroscopy.

    Time:

    Title: Fabrication of Dy3+ Ion Doped Nano Crystalline Y2O3 Infrared Transparent Ceramics by a Microwave Sintering Technique

    Steffy Maria Jose
    Mar Ivanios College, Kerala University, India

    Biography
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    Biography

    Steffy Maria Jose
    Mar Ivanios College, Kerala University, India

    Steffy Maria Jose is a first year Ph.D student in Materials Science and Nanotechnology at the University of Kerala, India. Prior to her present affiliation at theUniversity of Kerala, she earned a Master’s and M.Phil degree in Physics both from Mahatma Gandhi University, Kerala, India. She gained research interest during her Master’s and M.Phil programme in Physics and gained basic knowledge in research methodology. Currently she is doing research in the synthesis of yttria based nanoceramics and composites for their applications as infrared transparent window materials for missile applications at the Electronic Materials Research Laboratory ,Department of Physics, Mar Ivanios College (Autonomous), University of Kerala.



    Abstract
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    Abstract

    Steffy Maria Jose
    Mar Ivanios College, Kerala University, India

    Synthesis of high quality Dy3+ ion doped Y2O3 starting powder by a modified combustion technique followed by microwave sintering technique for the fabrication of high dense infrared transparent ceramics is presented in the paper. The as-prepared nanocrystalline powders are characterized using X-ray diffraction (XRD) to study their structure and phase. Dy3+ ion is added to Y2O3 matrix at different concentrations for tuning the physical properties and we have optimized a system Dy0.1Y1.9O3 exhibiting relatively improved optical thermal, and transmittance and properties. All the peaks of Dy0.1Y1.9O3 were indexed for a cubic structure with lattice parameter a = 10.623 Å. The average crystal size calculated for the sample using Debye-Scherer‘s equation, is ~7.719 nm. The Dy0.1Y1.9O3 nanoparticles are compacted to pellets using a hydraulic pressing followed by sintering using microwave energy in a microwave furnace at an optimum temperature 1530 0C and obtained an enhanced sintered density of 98.6% of theoretical density. The well sintered pellets are subjected to micron sized fine polishing, followed by thermal etching for carrying out the morphological investigations using Scanning Electron Microscopy (SEM). The Poly crystalline Dy3+ ion doped yttria ceramics (Dy0.1Y1.9O3) shows 76% transmittance in 3-8 µm infrared regions. The result clearly indicates that Dy3+ ion doped Y2O3 sample can be effectively used to fabricate infrared transparent ceramics material.

    Time:

    Title: Sensing Human Pulse-Rate Using Ionic Polymer Metal Composite (IPMC)

    Debabrata Chatterjee
    Indian Institute of Engineering Science and Technology, India

    Biography
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    Biography

    Debabrata Chatterjee
    Indian Institute of Engineering Science and Technology, India

    Dr. Debabrata Chatterjee is former Head of the Chemistry and Biomimetics Group of CSIR-Central Mechanical Engineering Research Institute at Durgapur, India. He is now engaged as Research Advisor in the Vice-Chancellor’s Group at the University of Burdwan, Burdwan, India. His present research interests lie in the development of bio-inspired devices using electro-active polymers. He is an elected fellow of National Academy of Science, India (FNASc) and Fellow of the Royal Society. of Chemistry, UK (FRSC). Childhood polio has left him physically challenged with a considerable mobility problem.



    Abstract
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    Abstract

    Debabrata Chatterjee
    Indian Institute of Engineering Science and Technology, India

    Development of smart material using ionic polymer-metal composites (IPMCs) is a demanding area of research [1-2]. The IPMCs are now recognized to have potential applications in developing bio-mimetic sensors, actuators, transducers, and artificial muscles. The IPMCs offer several advantages such as bio-compatibility, low power consumption and miniaturization. We have been engaged in developing IPMC based actuators and sensors [3,4]. Recently we have reported results of the actuation and sensing studies of a five-fingered miniaturized robotic hand fabricated by using IPMC [4]. Very recently, we have explored the possibility of using Nafion based IPMC for sensing the rhythm of human pulse and hear rate. In this talk the concept of a novel pulse rate sensing device is introduced exhibiting the proof-of-principle of the mechano-electrical functions of the device, namely IPMC film prepared by surface platinization of the ionic-polymer film.

    Time:

    Title: Mechanical Investigation Approach to Optimize the Hvof Fe-Based Amorphous Coatings Reinforced by B4c Nanoparticles

    Behrooz Movahedi
    University of Isfahan, Iran

    Biography
    χ

    Biography

    Behrooz Movahedi
    University of Isfahan, Iran

    Dr. Behrooz Movahedi,Associate professor at Department of Nanotechnology Engineering, Faculty of Advanced Sciences and Technologies, University of Isfahan.He has been working over 10 years of experience in the nanotechnology, amorphous materials, optical ceramics and advanced thermal spray coatings for environmental and industrial applications.



    Abstract
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    Abstract

    Behrooz Movahedi
    University of Isfahan, Iran

    Fe-based amorphous feedstock powders used as the matrix into which various ratios of hard B4C nanoparticles (0, 5, 10, 15, 20 vol%) as a reinforcing agent were prepared using a planetary high-energy mechanical milling. The ball-milled nanocomposite feedstock powders were also sprayed by means of high-velocity oxygen fuel (HVOF) technique. The characteristics of the powder particles and the prepared coating depending on their microstructures and Nanohardness were examined in detail using nanoindentation tester. The results showed that the formation of the Fe-based amorphous phase was noticed over the course of high-energy ball milling. It is interesting to note that the nanocomposite coating is divided into two regions, namely, a full amorphous phase region and homogeneous dispersion of B4C nanoparticles with a scale of 10–50 nm in a residual amorphous matrix. As the B4C content increases, the nanohardness of the composite coatings increases, but the fracture toughness begins to decrease at the B4C content higher than 20 vol%. The optimal mechanical properties are obtained with 15 vol% B4C due to the suitable content and uniform distribution of nanoparticles. Consequently, the changes in mechanical properties of the coatings were attributed to the changes in the brittle to ductile transition by adding B4C nanoparticles.

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