Materials engineering topic list of research papers
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Effect of corrugation profile on the thermal–hydraulic performance of corrugated channels using CuO–water nanofluid
Abstract In this article, laminar flow and heat transfer characteristics of CuO–water nanofluid in straight and corrugated channels are numerically investigated over the Reynolds number and nanoparticles volume fraction ranges of 100–800 and 0–0.05, ...
2014 / M.A. Ahmed, M.Z. Yusoff, K.C. Ng, N.H. Shuaib -
Synthesis, Crystal Structure, Magnetic and Electronic Properties of Bi2+xGaxPd4-3xO7+δ (x= 0.15, 0.30, 0.45, 0.60) Nanocomposites
Abstract Synthesis of Bi2+x Gax Pd4-3x O7+δ (S1-S4:x=0.15, 0.30, 0.45, 0.60) composite oxides were performed by sol-gel method. Powder XRD results show tetragonal unit cell with lattice parameters: A = 8.6354, 8.6420, 8.6241 and 8.6272Å; C = 5.8786, ...
2014 / Bidhu Bhusan Das, Murugesan Yogapriya -
Atomic core structure and mobility of [100](010) and [010](100) dislocations in MgSiO3 perovskite
Abstract The plastic behavior of MgSiO3 perovskite is investigated under pressure conditions similar to those encountered in the Earth’s lower mantle. The core structures of dislocations with edge and screw characters are determined by means of...
2014 / P. Hirel, A. Kraych, P. Carrez, P. Cordier -
Damage Mechanics Applied for Steel Reinforcements in Concrete Structures under Corrosion
Abstract Structures of reinforced concrete, as any another structure that uses metallic components, are subjected to corrosion, being this, one of the main factors for the degradation of these structures. Thus, a study of this phenomenon is very...
2014 / Josenaldo Bastos de Souza, Enio Pontes de Deus -
Deterministic and Probabilistic Analysis of Semi-elliptical Cracks in Austenitic Steel
Abstract The aim of this study was deterministic and probabilistic analysis of fatigue life of the austenitic steel (1.4541) applied on industrial pipeline. Semi-elliptical cracks in 1.4541 steel were considered during studies and probabilistic...
2014 / Lucjan Śnieżek, Sławomir Stępień, Janusz Torzewski, Volodymyr Hutsaylyuk -
Mechanics of CNT-palladium Interfaces for Sensor Applications Simulated with Molecular Dynamics
Abstract We present force-displacement data simulated with molecular dynamics of quasi-static displacement controlled pull-out tests of single-walled carbon nanotubes (CNT) embedded in palladium. With our simulations we focus on the mechanical...
2014 / Steffen Hartmann, Ole Hölck, Bernhard Wunderle -
Critical Review of Ductile Fracture Criteria for Steels
Abstract In this paper a selection of modern, commercial steels for automotive and pipeline applications, in different grades, microstructures and delivery conditions has been characterized, quantifying the void distribution on virgin materials and...
2014 / T. Coppola, F. Iob, F. Campanelli -
Fatigue Damage of Adhesive Layers – Experiments and Models
Abstract Mode I fatigue crack growth at load levels close to the threshold is studied with the aim of improving the understanding of the fatigue properties. We also aim at identifying a suitable damage evolution law for large-scale simulation of...
2014 / Tomas Walander, Alexander Eklind, Thomas Carlberger, Ulf Stigh -
Producing regenerated gratings in hydrogen-loaded single mode fiber by heat treatment2014 / Haihu Yu, Gengmin Li, Xiaofu Li, Huiyong Guo
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Study on Evacuation in Subway Transfer Station Fire by STEPS
Abstract In this paper, the highly effective three dimensional evacuation software STEPS (simulation of Transient Evacuation and Pedestrian movements) is used to calculate the required safe evacuation time (RSET) under different conditions in a...
2012 / Yanfeng Li, Xiaolong Sun, Xiao Feng, Chao Wang, Junmei Li -
Study on Nitrogen Preparation System based on Simulation Experiment of Intrinsically Safe Operation of Tank
Abstract In order to satisfy the actual need of simulation experiment of intrinsically safe operation of tank for inert gas(this paper is selected as nitrogen), a small volume of nitrogen preparation system has been developed. Study on process of...
2012 / Yinchang Li, Yang Du, Xinsheng Jiang, Bo Wang, Dong Wang, et al. -
Influence of the Diesel Injector Hole Geometry on the Flow Conditions Emerging from the Nozzle
Abstract Engine performances are correlated to the overall fluid dynamic characteristics of the injection system that, in turns, are strictly correlated to the fluid dynamic performance of the injector geometry. It is particularly true for actual...
2014 / Federico Brusiani, Stefania Falfari, Piero Pelloni -
Post-hoc comparisons among iron electrode formulations based on bismuth, bismuth sulphide, iron sulphide, and potassium sulphide under strong alkaline conditions
Abstract Iron electrodes were prepared by hot-pressing iron-polyethylene based formulations on nickel foam stripes. NiFe cells were tested by using commercial nickel electrodes and our iron electrodes. Post-hoc comparisons were used to identify...
2014 / Jorge Omar Gil Posada, Peter J. Hall -
Influence of Shoulder Geometry and Coating of the Tool on the Friction Stir Welding of Aluminium Alloy Plates
Abstract Friction Stir Welding (FSW) has demonstrated a significant potential for joining low melting point non-ferrous metals in several joint configurations. During FSW metals are joined in the solid state due to the heat generated by the friction ...
2014 / Giuseppe Casalino, Sabina Campanelli, Michelangelo Mortello -
Finite element analysis of laser shock peening of 2050-T8 aluminum alloy
Abstract Laser shock processing is a recently developed surface treatment designed to improve the mechanical properties and fatigue performance of materials, by inducing a deep compressive residual stress field. The purpose of this work is to...
2014 / Neila Hfaiedh, Patrice Peyre, Hongbin Song, Ioana Popa, Vincent Ji, et al. -
Talc as raw material for cementitious products formulation
Abstract This study reports the characterization of a talc from Cameroon as a possible source material for cement formulation. To that end, the talc sample was characterized and mixed with a solution of sodium polyphosphate to formulate the...
2014 / C.J. Ngally Sabouang, J.A. Mbey, Liboum, F. Thomas, D. Njopwouo -
Towards Cost-competitive Solar Towers – Energy Cost Reductions based on Decoupled Solar Combined Cycles (DSCC)
Abstract A preliminary analysis of the potential for cost reduction of the innovative decoupled combined cycle concept for Solar Towers was presented in SolarPACES 2012 [1]. This work has been continued with a more detailed analysis of the...
2014 / J. García-Barberena, A. Monreal, A. Mutuberria, M. Sánchez -
EXAFS Study of the Local Order in Ge-As-Se Glasses
Abstract The nearest-neighbour environment of the Ge, As and Se atoms in ternary GexAsySe1-x-y systems with same mean coordination number (MCN = 2.5) have been investigated by the Extended X-ray Absorption Fine Structure Spectroscopy (EXAFS). For...
2013 / T. Wang, R.P. Wang, B. Luther-Davies -
Friction Performance Analysis of Waste Tire Rubber Powder Reinforced Polypropylene Using Pin-On-Disk Tribometer
Abstract Waste tire rubber powder reinforced polypropylene composites were established with different set of compositions ranging from 0% to 40%, where coefficient of friction for each of them was analyzed by pin on disk tribometer. The tribological ...
2014 / Sivaraos, T.C. Yap, Qumrul, M.A. Amran, T.J.S. Anand, et al. -
Formability of Automotive H240LA Steel Sheets in Stretch– Bending Processes
Abstract This paper discusses the influence of punch radius on the formability of 1.2mm thick H240LA steel sheets. A series of Nakazima tests with hemispherical punch and stretch–bending tests with cylindrical punches of variable diameter were...
2013 / L.H. Martínez-Palmeth, A.J. Martínez-Donaire, G. Centeno, F.J. García-Lomas, C. Vallellano