Materials engineering topic list of research papers
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A phase field modelling for multi-scale deformation mechanics of polycrystalline metals
Abstract A phase field modelling to clarify the multi-scale deformation mechanism of polycrystalline metals was undertaken. Modified coupling equations between the phase and stress/strain using a multiphase field model were introduced, and solved...
2011 / Takuya Uehara -
Thermal effects to enhance the responsivity of pyroelectric infrared detectors
Abstract This paper describes a new method to increase the responsivity of pyroelectric IR sensors in voltage mode. This method utilises lateral heat flux effects in the radiation-sensitive element to increase the output signal of the sensors for...
2010 / V. Norkus, A. Schulze, Y. Querner, G. Gerlach -
Multiscale composite FEM modeling
Abstract A two-stage (macro-micro) finite element analysis of composite structure is presented in this paper. A global-local (meso) modeling method is proposed in order to reduce the computational effort usually required to analyze such structures....
2009 / T. Niezgoda, A. Derewońko -
A simulation on microstructure sensitivity to very-high-cycle fatigue behavior of metallic materials
Abstract This paper studied the microstructure sensitivity to very-high-cycle fatigue of metallic materials based on Tanaka and Mura model by using Monte-Carlo method. In this simulation, local stress, frictional stress and inclusion size are...
2010 / Zhengqiang Lei, Jijia Xie, Aiguo Zhao, Youshi Hong -
Fatigue life prediction of notched components: a comparison between the theory of critical distance and the classical stress-gradient approach
Abstract Fatigue life prediction for machine components is a key factor in the industrial world and several methods can be traced in technical literature to estimate life of notched components. The paper correlates the classical stress-gradient...
2011 / Andrea Spaggiari, Davide Castagnetti, Eugenio Dragoni, Simone Bulleri -
Creating a holistic product development methodology by merging systems theory and dialectics
Abstract The situation of product development today is characterized by numerous methodologies that are supposed to facilitate a fast, costs-efficient procedure. Frequently these methodologies compete with each other instead of complementing one...
2011 / Jörg Feldhusen, Ingo Schulz -
Theoretical Calculation of Optical Absorption Spectrum for Armchair Graphene Nanoribbon
Abstract The optical absorption spectrum of armchair graphene nanoribbon has been studied using first principle calculation. For this purpose, first we calculate the band structure and therefore the energy gap of A-GNRs by tight- binding model by...
2011 / E. Ahmadi, A. Asgari -
Viscoelastic repetitive creep and recovery in bituminous materials
Abstract Repetitive creep and recovery tests in bituminous materials- asphalt and asphalt paving mix are studied at high service temperatures. The non-exponential- stretched exponential type of continuous retardation spectrum is defined and used for ...
2011 / J. Stastna, L. Zanzotto, G. Polacco -
Computer simulation of cold sprayed deposition using smoothed particle hydrodynamics
Abstract The smoothed particle hydrodynamics (SPH) method is applied to simulate the cold spray (CS) process by modeling the impact of a spherical powder particle on substrate.In this work, the adhesive interaction between the contacting surfaces is ...
2011 / A. Manap, T. Okabe, K. Ogawa -
Evaluation of composite delamination with different layer orientation
Abstract The delamination in a fiber composite is studied. The development of the multiscale model of the laminated composite consisting of eleven layers is presented. The numerical simulation of the fiber/resin delamination is performed by the...
2009 / T. Niezgoda, A. Derewońko -
Low-firing thick-film piezoresistive sensors for medical instruments
Abstract In this work, a low-firing thick-film materials system allowing fabrication of piezoresistive sensors on surgical alloys is presented in detail, with application to a force-sensing surgical instrument. The system comprises a series of...
2010 / Thomas Maeder, Caroline Jacq, Peter Ryser -
A CMOS-MEMS accelerometer with tri-axis sensing electrodes arrays
Abstract This study presents a single proof-mass CMOS-MEMS accelerometer with integrated tri-axis sensing electrodes arrays. The inplane finger-type and out-of-plane plate-type gap-closing sensing electrodes are employed in this study. The standard...
2010 / Ming-Han Tsai, Yu-Chia Liu, Chih-Ming Sun, Chuanwei Wang, Weileun Fang -
Methods of personnel screening for concealed contraband detection by millimeter-wave radiometric imaging
Abstract The currently emerging terrorism and violence crimes in the scope of worldwide have posed increasingly extensive threats to the personnel and public security. Therefore, it is crucial to carry out personnel screening in the areas of...
2010 / Taiyang Hu, Zelong Xiao, Jianzhong Xu, Li Wu -
Fatigue, an everlasting materials problem - still en vogue
Abstract In the first part, some fundamental issues that have been under discussion for a long time will be revisited, namely the effect of the cyclic slip mode on the fatigue-induced dislocation distributions, the origin and effect of cyclic slip...
2010 / Hael Mughrabi -
Gravity Effects of Curing Angle on Laminated Composite Structures: A Review on Novel Study2013 / T. T. T. Jennise, M. Y. Yuhazri, Haeryip Sihombing, S. H. Yahaya, Umar Nirmal, et al.
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Adaptive Redundant Lifting Wavelet Transform Based on Fitting for Fault Feature Extraction of Roller Bearings2012 / Zijing Yang, Ligang Cai, Lixin Gao, Huaqing Wang
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Entropies in Alloy Design for High-Entropy and Bulk Glassy Alloys2013 / Akira Takeuchi, Kenji Amiya, Takeshi Wada, Kunio Yubuta, Wei Zhang, et al.
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Calculation of Stress Intensity Factors Based on Force-Displacement Curve using Element Free Galerkin Method2012 / Sonia Parvanova
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Synthesis and Magnetic Properties of Conventional and Microwave Calcined Strontium Hexaferrite Powder2011 / Kanagesan Samikannu, Jesurani Sinnappan, Sivakumar Mannarswamy, Thirupathi Cinnasamy, Kalaivani Thirunavukarasu
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A Revisit to the Hydrogen Desorption/Absorption Behaviors of LiAlH4/LiBH4: Effects of Catalysts2012 / Pattaraporn Sridechprasat, Labhatrada Phuirot, Pramoch Rangsunvigit, Boonyarach Kitiyanan, Santi Kulprathipanja