Materials engineering topic list of research papers
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A new experimental method to determine the CO2 sorption capacity of coal
Abstract Enhanced Coalbed Methane production (ECBM) involves the injection of CO2 to desorb CH4 from coal seams, and offers significant potential for deploying Carbon Capture and Storage (CCS). An essential starting parameter, determined in the...
2011 / Sander Hol, Colin J. Peach, Christopher J. Spiers -
Label-free detection of breast cancer marker HER-2/neu with an acoustic biosensor
Abstract Surface acoustic wave (SAW) biosensors based on horizontally polarized surface shear waves enable label-free, sensitive and cost-effective detection of biomolecules in real time. Binding reactions on the sensor surface are detected by...
2010 / Friederike J. Gruhl, Michael Rapp, Kerstin Länge -
New technologies for sharing research data and costs
Abstract The paper describes a set of tools intended for fatigue analyses either in the engineering or research practice. These tools are available for free. PragTic is a fatigue solver that can work even with FE-data and allows fast implementations ...
2010 / Jan Papuga -
Notch Stress Intensity Factors Applied to U and V-Shaped Radiused Notches under In-plane Shear Loading
Abstract The present work provides an application of the mode II Generalised Notch Stress Intensity Factor (NSIFs) for U-shaped and V-shaped radiused notches, varying the notch radius as well as the notch opening angle. In the absence of an exact...
2011 / M. Zappalorto, P. Lazzarin, F. Berto -
Effective behavior of composite structures made of thermoelastic constituents with cylindrical periodicity
Abstract In this paper an extension of the asymptotic expansion homogenization technique is proposed for predicting the effective behavior of composite structures exhibiting periodicity with respect to cylindrical coordinates. The composite...
2011 / Nicolas Charalambakis, Geoge Chatzigeorgiou, Yalchin Efendiev, Dimitris Lagoudas -
Fatigue crack evaluation on the underframe of EMU carbody
Abstract A fatigue crack initiated at an underframe of electric multiple unit (EMU) will be propagated unless appropriate maintenance is applied to stop it. To railway operating company, it is very important to know the critical crack size in...
2010 / Hyun-Kyu Jun, Hyun-Seung Jung, Dong-Hyung Lee, Jung-Won Seo, Seok-Jin Kwon -
Self-adaptive thermal modulation of gas sensors
Abstract Metal-oxide semiconductor gas sensors offer valuable advantages, such as high sensitivity, low cost and small dimensions. However, it is well-known that significant problems, such as cross selectivity and lack of long term stability, still...
2010 / D. Polese, E. Martinelli, A. Catini, A. D’Amico, C. Di Natale -
Acceleration sensors based on polymer-electronic materials
Abstract The paper focuses on acceleration sensors which are based on polymer-electronic materials. The sensors have been fabricated by using ink-jet technologies on flexible substrates. Amongst details of the fabrication process, reached parameters ...
2010 / Andreas Hense, Carsten Fromm, Dirk Zielke -
Kinking angles for interface cracks
Abstract Bi-material components such as ceramic/ceramic or silicon/glass bonds are used extensively in different industrial applications. The presence of cracks in the interface of such bonded joints influences their mechanical strength...
2011 / M.R. Ayatollahi, M.M. Mirsayar -
Evaluation of strength model parameters from Taylor impact tests
Abstract This paper provides a method to extract sets of parameters from Taylor impact tests [1]. The method consists in a two steps algorithm which associates a Monte-Carlo method to a Levenberg-Marquardt [2,3] optimization loop, as proposed by...
2011 / Julien Nussbaum, Norbert Faderl -
Influence of vacancy defects on the mechanical behavior and properties of carbon nanotubes
Abstract In the present paper we intend to explain the discrepancies between theoretical and experimental values of mechanical properties for carbon nanotubes. In the numerical analysis pristine and defective carbon nanotubes are taken into account...
2011 / Małgorzata Chwał -
Intensity referencing in an extrinsic optical fiber temperature sensor
Abstract Optical fiber sensors based on intensity measurement require some form of intensity referencing to avoid errors arising from parasitic losses. Known techniques of referencing such as balanced bridge, divided beam systems or two-wavelength...
2010 / Andreas Apelsmeier, Ramona Gleixner, Matthias Mayer, Mikhail Shamonin, Bernhard Schmauss -
Hydrogen Embrittlement Type Stress Corrosion Cracking Behavior of Wrought Magnesium Alloy AZ31
Abstract Stress corrosion cracking (SCC) behavior of wrought magnesium alloy, AZ31, was investigated. SCC tests were performed using compact tension (CT) specimens in 3%NaCl solution under hydrogen charged conditions, where the cathodic potentials...
2011 / Yoshihiko Uematsu, Toshifumi Kakiuchi, Masaki Nakajima -
Cyclic deformation of ultra-fine and nanocrystalline metals through nanoindentation: similarities with crack propagation
Abstract Cyclic nanoindentation loading is a localized fatigue test providing very useful informations on dynamic damage phenomena of nanostructured materials. The main goal of the present paper is to examine ultra-fine and nanocrystalline metals...
2010 / P. Cavaliere -
Investigation of Biomass Fly Ash in Thailand for Recycle to Glass Production
Abstract This study investigated the composition and phase of major biomasses fly ash in Thailand at different sintering temperatures by X-rays fluorescence spectrometer (XRF) and X-Rays Diffractometer (XRD). All biomasses were sintered at different ...
2011 / Y. Ruangtaweep, J.Kaewkhao, C. Kedkaew, P. Limsuwan -
Defects-enhanced flexoelectricity in nanostructures
Abstract Recent studies show that low dimensional nanostructures may exhibit nonlocal electromechanical effects such as flexoelectricity. Despite the recent progress in nanostructure growth techniques imperfections such as defects are practically...
2009 / Sunil R. Patil, Roderick Melnik -
Performance of optimized TVOCs sensor
Abstract In this paper, an improved TVOCs (total volatile organic compounds) sensor construction was studied. Base on this new construction, the optimized flow rate, the responding character and the linear range of detector were studied. The effect...
2010 / Fumin Peng, Tao Luoa, Yupeng Yuan, Lingguang Qiu -
Concentration specific detection of hydrogen at room temperature using palladium nanoparticles-nafion film
Abstract H2 sensing behaviour of Palladium nanoparticles (PdNP) mixed with nafion has been demonstrated as a function of H2 concentration. PdNP (15 nm diameter) were mixed with nafion (5% solution) in varying concentrations and cast over...
2010 / Sunil K. Arya, S. Krishnan, K. McGrath, F. Rinaldi, S. Bhansali -
Basic Analysis of Microstructural Fracture Behavior in Structural Materials by Using FEM with Interface Element
Abstract A new finite element method with the interface element was developed for examining the microstructural fracture behavior, where the anisotropy of grain was modeled by the ordinary finite element while both the opening and shear deformations ...
2011 / Hisashi Serizawa, Seigo Tomiyama, Tsuyoshi Hajima, Hidekazu Murakawa -
Constraint Assessment of Brittle Fracture of Steel Components, ISO 27306 vs. FITNET FFS
Abstract ISO 27306 and FITNET FFS have been developed recently for correction of constraint loss in structural components. Both methods employ the Weibull stress as a driving force of brittle fracture. Nevertheless, the dissimilarity is found...
2011 / Fumiyoshi Minami, Mitsuru Ohata