Materials engineering topic list of research papers
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Tool Qualification Considerations for Tools Supporting STPA
Abstract We evaluated tool qualification requirements for hazard and risk analysis software tools, particularly for tools supporting System-Theoretic Process Analysis (STPA), and compared the tool qualification approaches of safety standards IEC...
2015 / Sven Stefan Krauss, Martin Rejzek, Christian Hilbes -
Effect of 3-mercaptopropyltrimethoxysilane on Surface Finish and Material Removal Rate in Chemical Mechanical Polishing
Abstract Chemical Mechanical Polishing (CMP) is used in polishing of glass and ceramic surfaces as well as in integrated circuit manufacturing to remove excess material and provide a globally planarized wafer surface. One of the critical consumables ...
2014 / M. Sivanandini, Sukhdeep S. Dhami, B.S. Pabla, M.K. Gupta -
Metrological Regulations for Quality Control Equipment Calibration in Pharmaceutical Industry
Abstract Drug manufacturing is an extremely regulated industry, where regulatory agencies established actions to assure high quality of pharmaceuticals. Testing final products in laboratory requires adequate facilities and equipment. Error...
2015 / F. Losada-Urzáiz, C. González-Gaya, M.Á. Sebastián-Pérez -
Non-destructive Investigation of “The Violinist” a Lead Sculpture by Pablo Gargallo, Using the Neutron Imaging Facility NEUTRA in the Paul Scherrer Institute
Abstract The Violinist (1920), the only sculpture made by Gargallo using lead sheet and wood, is being corroded by carbonation, most probably due to the organic vapours released by the wood inside, a material not chemically...
2015 / Alex Masalles, Eberhard Lehmann, David Mannes -
Oxidation of Aluminum Plates MTR Fuel in Thermal Transfer Conditions
Abstract The mechanism of aluminium oxidation has been studied in relation with the in-reactor behaviour or nuclear fuel plates in MTR reactors. Experiments have been carried out to compare the oxidation level with and without heat transfer. A...
2015 / D. Valdez Tordoya, R. Haddad, R. Amoruso -
Micro-crack propagation on a biomimetic bone like composite material studied with the extended finite element method
Abstract Cortical bone contributes to about 80% of the weight of the human skeleton. Along its other properties, cortical bone presents a high resistance to fracture propagation. With this paper the authors aim to model this material using the...
2016 / R. Baptista, A. Almeida, V. Infante -
Global Instability Analysis of Laminar Boundary Layer Flow Over a Bump at Transonic Conditions
Abstract Modal three-dimensional BiGlobal linear instability analysis is performed in steady, spanwise-homogeneous two-dimensional laminar compressible boundary-layer flow past a millimeter-tall hemispherical bump at transonic conditions. Starting...
2015 / José Miguel Pérez, Pedro Paredes, Vassilis Theofilis -
Study of Coupled Oscillators with Local and Global Nonlinear Potentials
Abstract Multi-scale dynamics of a linear oscillator coupled to a nonlinear energy sink with local and global potential is studied. Detection of the slow invariant manifold gives information on the system behavior, while equilibrium and singular...
2016 / S. Charlemagne, C.-H. Lamarque, A. Ture Savadkoohi, M. Weiss, B. Vaurigaud -
Influence of Structuring by Laser and Plasma Torch on the Adhesion of Metallic Films on Thermoplastic Substrates
Abstract In this study three different types of thermoplastics haven been investigated: polypropylene (PP, used in automotive industry), poly-ether-ether-ketone (PEEK, used in aerospace applications) and polyethylene (PE, used in medical...
2014 / W. Knapp, D. Djomani, J.F. Coulon, R. Grunchec -
Orientation Dependence of the Channeled Positrons Conversion into a Single Photon
Abstract It is well known that the energy and momentum conservation laws prohibit positron-electron annihilation in vacuum producing the single photon only. It can produce two photons in vacuum, or the process is possible with a participation of the ...
2015 / N.P. Kalashnikov, E.A. Mazur, A.S. Olchak -
Three Dimensional Vibrations of Thermoporoelastic Solids with Two Temperatures
Abstract Three dimensional vibrations of thermoporoelastic solids with two temperatures are investigated in the framework of Biot's theory. Equations of motion are derived in the presence of two temperatures. Frequency equation is obtained....
2015 / Manjula Ramagiri, Malla Reddy Perati -
Modelling of Cutting Force and Deflection of Medical Needles with Different Tip Geometries
Abstract Insertion of needle into tissue is influenced by the cutting edges and the needle tip geometry. In this paper, we aimed at investigating the relationship between the insertion forces and cutting edge geometry and general mathematical models ...
2014 / Aneissha Chebolu, Amarnadh Mallimoggala, Nagahanumaiah -
Crashworthiness analysis of aircraft fuselage with sine-wave beam structure
Abstract An integrated design concept for crashworthy fuselage using sine-wave beam and strut is proposed and investigated. The finite element model of aircraft fuselage is built first. The structures above cabin floor, occupant and seat are...
2016 / Yiru Ren, Jinwu Xiang, Jianqiang Zheng, Zhangping Luo -
Design and Testing of 100 mK High-voltage Electrodes for AEgIS
Abstract The AEgIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) experiment at CERN has as main goal to perform the first direct measurement of the Earth's gravitational acceleration on antihydrogen atoms within 1% precision. To...
2015 / J.H. Derking, J. Liberadzka, T. Koettig, J. Bremer -
The Problem of Applying Sustainability Ideas in Urban Landscape in Developing Countries
Abstract This paper will tends to contribute in solving the problem of applying sustainable landscape in developing countries through creating a framework covers all features and illustrates the features which must be applied in any landscape...
2016 / Ahmed El Kordy, Hesham Sobh, Amira Mostafa -
Film Deposition and their Removal in Gaps and Regions Shaded from the Plasma in the Presence of RF Fields
Abstract The re-deposition of constructional materials inside the chamber of a fusion device is undesirable mainly for increased capture of hydrogen isotopes in the deposited layers. Currently, a variety of methods for wall cleaning from the...
2015 / Konstantin Gutorov, Igor Vizgalov, Fedor Podolyako, Ivan Sorokin -
Failure analysis of mixed mode crack growth in heavy duty truck frame rail
Abstract A failure analysis investigation was performed on a fractured heavy duty truck frame rail obtained during endurance track testing. The fracture observed was on the frame web within the torque rod connection to the rear drive axle of the...
2016 / Vinay N. Rao, Jeffrey W. Eischen -
Modelling of Thermo-optical Properties of Amorphous and Microcrystalline Silicon Semitransparent PV Layer
Abstract Nowadays, one of the most promising renewable energy technology is based on photovoltaic conversion of solar energy. Application of PV systems integrated with building envelope allows electricity to be utilized on site for any functional...
2015 / Dariusz Heim, Dominika Knera, Anna Machniewicz -
Refinement of Wind Loads on Lattice Support Structures of the Intersystem Overhead Power Transmission Lines 750kV
Abstract In this paper attention is paid to the intersystem overhead power transmission line (OPTL) 750 kV, which is being operated on the territory of Ukraine. Subjects of research are the intermediate supports of PS750-3i type with 5 m and 10 m...
2015 / Yevgeny Shevchenko, Yaroslav Nazim, Anton Tanasoglo, Igor Garanzha -
Measuring Hydrogen Distributions in Iron and Steel Using Neutrons
Abstract Neutron tomography has been applied to investigate the mechanism of hydrogen assisted cracking in technical iron and supermartensitic steel. Rectangular technical iron block samples showed blistering due to intense hydrogen charging and the ...
2015 / A. Griesche, E. Dabah, T. Kannengiesser, A. Hilger, N. Kardjilov, et al.