Materials engineering topic list of research papers
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Numerical and Experimental Analysis of Residual Stresses Generated in the Machining of Ti6Al4V Titanium Alloy
Abstract This paper presents 2D and 3D FEM simulation results concerning the distribution of residual stresses in the sublayer of machined parts made of Ti6Al4V titanium alloy. FEM simulations were performed for power law and J-C (Johnson-Cook)...
2014 / Piotr Niesłony, Wit Grzesik, Piotr Laskowski, Jan Sienawski -
The effect of Mn and Zr dispersoid-forming additions on recrystallization resistance in Al–Cu–Li AA2198 sheet
Abstract The influence of sole and joint Zr and Mn additions on the recrystallization behaviour of an AA2198-base alloy has been compared during extended annealing at 535°C, following hot rolling to sheet. With a constant Zr level recrystallization...
2014 / D. Tsivoulas, P.B. Prangnell -
Fatigue Strength Degradation of AlSi12CuNiMg Alloy Due to High Temperature Exposure: A Structural Investigation
Abstract The strengthening mechanism based on the formation of precipitates (Guinier-Preston (GP) zones) during decomposition of a metastable supersaturated solid solution is stable and effective below temperatures, which are typically overcome in...
2014 / R. Konečná, G. Nicoletto, L. Kunz, M. Svoboda, A. Bača -
On the Loading-rate Dependence of the Al 7017-T73 Fracture-initiation Toughness
Abstract While static fracture toughness is a widely studied and standardised parameter, its dynamic counterpart has not been exhaustively examined. Therefore, in this research a series of quasi-static and different loading-rate dynamic tests were...
2014 / María Jesús Pérez-Martín, Borja Erice, Francisco Gálvez -
Thermal Expansion, Electrical Resistivity, and Spreading Area of Sn-Zn-In Alloys2013 / Tomasz Gancarz, Przemysław Fima, Janusz Pstruś
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Replication of Trabecular Bone Structure and Reaction Layer Analysis of Titanium Alloys Using Investment Casting Technique
Abstract Titanium implants, such as bone plates, require compatible surface microtopography for bone cells adhesion and proliferation. To directly imitate complex natural bone structure, casting of different titanium alloys into natural bone...
2014 / Nutnicha Teng-amnuay, Chaiyapat Tangpatjaroen, Ekasit Nisaratanaporn, Boonrat Lohwongwatana -
A novel hybrid genetic algorithm to solve the make-to-order sequence-dependent flow-shop scheduling problem2014 / Mohammad Mirabi, S. M. T. Fatemi Ghomi, F. Jolai
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An Innovative Concept of a Thermal Energy Storage System Based on a Single Tank Configuration Using Stratifying Molten Salts as both Heat Storage Medium and Heat Transfer Fluid, and with an Integrated Steam Generator
Abstract The proposed innovative thermal energy storage system is based on a single tank containing a mixture of nitrate salts (60% NaNO3 and 40% KNO3 in weight; this mixture gradually changes from solid to liquid in the temperature range between...
2014 / W. Gaggioli, F. Fabrizi, F. Fontana, L. Rinaldi, P. Tarquini -
Melt-Growth Dynamics in CdTe Crystals2012 / X. W. Zhou, D. K. Ward, B. M. Wong, F. P. Doty
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Wavelet neural network applied for prognostication of contact pressure between soil and driving wheel
Abstract This paper describes the measurement of contact pressure in the context of wheel–terrain interaction as affected by wheel load and tire inflation pressure when fusion of the wavelet transform with the back-propagation (BP) neural network is ...
2014 / Hamid Taghavifar, Aref Mardani -
Structural and Optical Properties of the New Absorber Cu2ZnSnS4 Thin Films Grown by Vacuum Evaporation Method
Abstract This work studies dependences of structural and optical properties on the substrate temperature of Cu2ZnSnS4 thin films deposited onto glass substrates by thermal evaporation method. The thicknesses of the films were in the range 500-600nm. ...
2014 / R. Touati, M. Ben Rabeh, M. Kanzari -
Optimal Sizing Design and Energy Management of Stand-alone Photovoltaic/Wind Generator Systems
Abstract Presently, the photovoltaic (PV) and the wind energies are the most important energetic alternative resources. So far, a lot of researches are developed and conducted concerning the cost-optimally design and energy management for the...
2014 / I. Tégani, A. Aboubou, M.Y. Ayad, M. Becherif, R. Saadi, et al. -
Study of the Influence of Silver Addition on the Order-disorder Transformations in Cu-Au System
Abstract The order disorder transition takes a very important place because of its influence on the physical and mechanical characteristics of metals. The copper-gold system provides a classical example of structure which has been classified as long ...
2014 / L. Amiour, S. Mermoul, D. Hamana -
Photo-induced and Thermal Annealing of Chalcogenide Films for Waveguide Fabrication
Abstract We describe the effect of light-induced annealing of As2S3 thin films and its impact on the performance of an optical waveguide. An as-deposited film was subjected to illumination with band-edge light before being used to fabricate sub-...
2013 / Duk-Yong Choi, Andrew Wade, Steve Madden, Rongping Wang, Douglas Bulla, et al. -
Reliability of LED’s; Are the accelerated ageing tests reliable?2009 / G. Ferenczi
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Combination Effect of Organically Modified Montmorillonite and Layered Nickel Hydroxide on the Fire Retardancy of Poly(Lactic Acid)
Abstract The combination effect of organically modified montmorillonite (OMT) and layered nickel hydroxide (Ni(OH)2) on the fire retardancy of poly(lactic acid) (PLA) was reported. Thermogravimetric analysis and microscale combustion calorimeter...
2013 / Ningning Hong, Lei Song, Weizhao Hu, Yuan Hu -
Excellent Average Diffusion Lengths of 600 μm of N-Type Multicrystalline Silicon Wafers After the Full Solar Cell Process Including Boron Diffusion
Abstract In this paper we investigate the material quality of n- and p-type multicrystalline silicon wafers after different high- temperature steps, as applied during cell processing. Both materials start with a high initial bulk diffusion length of ...
2013 / Bernhard Michl, Jan Benick, Armin Richter, Martin Bivour, Jeannie Yong, et al. -
Optical Transmission Enhancement of Fluorine Doped Tin Oxide (FTO) on Glass for Thin Film Photovoltaic Applications
Abstract Transparent conductive oxide layers (TCO) are used as electrodes for thin film applications. The optical performance of TCOs can be improved by implementing textured surfaces that will increase the overall transmission of light through the...
2013 / Farsad Imtiaz Chowdhury, Thomas Blaine, Adel B. Gougam -
Flight Trajectory Visual Simulation Technology of Space-based Reentry Vehicles
Abstract This paper is mainly devoted to performing flight trajectory visual simulation of space-based reentry vehicle through the method based on two professional software —MultiGen Creator and Vega Prime. In this approach, scene models and object...
2014 / X. Chen, Y.S. Liu -
Cognitive Failure Cluster as an Approach to Enhance the Precision of a Self-optimizing Process Model
Abstract An important indicator for the acoustic quality of rear axle drives is the contact pattern of the gear sets. Due to the complex interactions in the production process numerous factors have influence to the result to the contact pattern. In...
2013 / M.C. Laass, C. Niggemann, R. Schmitt