48 Result(s)
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Article
**g-wei Ma
Metallic Materials
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Article
Influence of process parameters and defect analysis in hot deep drawing process of aluminum alloy AA6082
In this study, a novel punch toolset was developed to investigate the hot stam** of AA6082-T4 sheet. The effect of the process parameters, including forming temperature, punching velocity, friction coefficie...
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Effect of heat treatments on Charpy impact properties of 15Cr12MoVWN ferritic/martensitic steel
The Charpy impact properties of 15Cr12MoVWN ferritic/martensitic steel for sodium-cooled reactors with variation in heat treatment factors and parameters are reported. The results show that the ductile-to-brit...
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Zwitterionic-phosphonate block polymer as anti-fouling coating for biomedical metals
Antifouling ability and blood compatibility are critically important in the development of medical metallic implants for clinical applications. Here, we report the zwitterionic-phosphonate block polymer as a n...
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Influence of grain refinement on the corrosion behavior of metallic materials: A review
Grain refinement can strengthen the mechanical properties of materials according to the classical Hall-Petch relationship but does not always result in better corrosion resistance. During the past few decades,...
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Electrochemical derusting in molten Na2CO3-K2CO3
The formation of a rust layer on iron and steels surfaces accelerates their degradation and eventually causes material failure. In addition to fabricating a protective layer or using a sacrificial anode, repai...
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Effect of deposition rate on microstructure and mechanical properties of wire arc additive manufacturing of Ti-6Al-4V components
Wire arc additive manufacturing (WAAM) is a novel manufacturing technique by which high strength metal components can be fabricated layer by layer using an electric arc as the heat source and metal wire as fee...
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Influence of Pin Offset on Microstructure and Mechanical Properties of Friction Stir Welded Mg/Ti Dissimilar Alloys
The influences of pin offset on the formation, microstructure and mechanical properties of friction stir welded joint of Ti6Al4V and AZ31B Mg dissimilar alloys were investigated. The results show that sound jo...
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Microstructural evaluation and mechanical properties of 7075 aluminum alloy prepared by controlled diffusion solidification
In the present work, 7075 aluminum alloy (Al-Zn-Mg-Cu) was produced by both conventional casting (CC) and controlled diffusion solidification (CDS) methods. Each sample was subjected to different heat-treatmen...
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Novel Crystallization Behaviors of Zr-Based Metallic Glass Under Thermo-Mechanical Coupled Fatigue Loading Condition
Novel crystallization behaviors of Zr55Cu30Al10Ni5 bulk metallic glass are investigated. On the one hand, mixed oxides, including CuO, CuAlO2, CuAl2O4 and ZrO2, show sequential oxidation process determined by cou...
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Article
SOC estimation based on data driven exteaded Kalman filter algorithm for power battery of electric vehicle and plug-in electric vehicle
State of charge (SOC) estimation has always been a hot topic in the field of both power battery and new energy vehicle (electric vehicle (EV), plug-in electric vehicle (PHEV) and so on). In this work, aiming a...
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Microstructure and mechanical properties of dissimilar pinless friction stir spot welded 2A12 aluminum alloy and TC4 titanium alloy joints
The microstructure and mechanical properties of dissimilar pinless friction stir spot welded joint of 2A12 aluminum alloy and TC4 titanium alloy were evaluated. The results show that the joint of Al/Ti dissimi...
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NO adsorption and temperature programmed desorption on K2CO3 modified activated carbons
Fuel cell stacks as the automotive power source can be severely poisoned by a trace amount of NOx in atmosphere, which makes it necessary to provide clean air for fuel cell vehicles. In this work, activating comm...
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Article
Electrochemical oxidation of reactive brilliant orange X-GN dye on boron-doped diamond anode
In this study, the electrochemical oxidation of reactive brilliant orange X-GN dye with a boron-doped diamond (BDD) anode was investigated. The BDD electrodes were deposited on the niobium (Nb) substrates by t...
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Preparation and optoelectronic properties of a-IGZO thin films deposited by RF magnetron sputtering at different working pressures
Transparent oxide semiconductor, a-IGZO, thin films were prepared by high-vacuum RF magnetron sputtering at different working pressures. The effect of working pressure on crystal structure, surface morphology,...
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Open AccessIn situ reaction mechanism of MgAlON in Al–Al2O3–MgO composites at 1700°C under flowing N2
The Al–Al2O3–MgO composites with added aluminum contents of approximately 0wt%, 5wt%, and 10wt%, named as M1, M2, and M3, respectively, were prepared at 1700°C for 5 h under a flowing N2 atmosphere using the reac...
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Open AccessReduction behavior and kinetics of vanadium–titanium sinters under high potential oxygen enriched pulverized coal injection
In this work, the reduction behavior of vanadium–titanium sinters was studied under five different sets of conditions of pulverized coal injection with oxygen enrichment. The modified random pore model was est...
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Open AccessMechanism of Calcium Fluoride Acceleration for Vacuum Carbothermic Reduction of Magnesia
The use of a small amount of calcium fluoride as an additive greatly accelerated the reduction of magnesia during the preparation of magnesium from magnesia using the vacuum carbothermic reduction method. At 1...
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Effects of temperature and strain rate on flow behavior and microstructural evolution of super duplex stainless steel under hot deformation
Hot compression tests were carried out in the temperature range of 1223—1473 K and strain rate range of 0.01—30 s–1 to investigate the flow behavior and microstructural evolution of super duplex stainless steel 2...
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Computational analysis of linear friction welding process and micromechanical modeling of deformation behavior for medium carbon steel
Finite element simulation of linear friction welding (LFW) medium carbon steel was carried out using the ABAQUS software. A two-dimensional (2D) coupled thermo-mechanical model was established. First, the temp...
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Article
Effects of zinc on static and dynamic mechanical properties of copper-zinc alloy
The effects of adding alloy element zinc on the static and dynamic mechanical properties of copper-zinc alloy were investigated. Tensile and low cycle fatigue behaviors of the C11000 copper and H63 copper-zinc...
