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Article
X-ray tomography analysis of aluminum alloy powder compaction
Aluminum alloy green compacts obtained by single-action compaction in lubricated and unlubricated dies were investigated by X-ray tomography. For the purpose of obtaining the relationship between the density o...
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Article
Facile synthesis of transition metal carbide nanoparticles embedded in mesoporous carbon nanosheets for hydrogen evolution reaction
Transition metal carbides (TMC) modified by mesoporous carbon nanosheets (MCNSs) with high activity, fast electron/ion transfer and long durability are considered as promising electrocatalysts for hydrogen evo...
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Article
Effect of interaction of refractories with Ni-based superalloy on inclusions during vacuum induction melting
This study documents laboratory-scale observation of the interactions between the Ni-based superalloy FGH4096 and refractories. Three different crucibles were tested—MgO, Al2O3, and MgO-spinel. We studied the var...
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Article
Dehydrogenation characteristics of ZrC-doped LiAlH4 with different mixing conditions
The catalytic effects of ZrC powder on the dehydrogenation properties of LiAlH4 prepared by designed mixing processes were systematically investigated. The onset dehydrogenation temperatures for the 10 mol% ZrC-d...
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Article
Machine-learning-assisted prediction of the mechanical properties of Cu-Al alloy
The machine-learning approach was investigated to predict the mechanical properties of Cu-Al alloys manufactured using the powder metallurgy technique to increase the rate of fabrication and characterization o...
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Article
Graphite addition for SiC formation in diamond/SiC/Si composite preparation
Herein, graphite was used in the Si-vapor reactive infiltration of diamond/SiC/Si composites to produce composites with various SiC contents. X-ray diffraction was used to determine the phases of the composite...
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Article
A novel approach to predict green density by high-velocity compaction based on the materials informatics method
High-velocity compaction is an advanced compaction technique to obtain high-density compacts at a compaction velocity of ≤10 m/s. It was applied to various metallic powders and was verified to achieve a densit...
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Article
Preparation of TiAl Alloy Powder by Reactive Synthesis in Molten KCl-LiCl Salt
TiAl alloy powders were simply and economically prepared by reactive synthesizing of elemental powders in molten salt, and the synthesis process and powder characteristics were investigated . The results showe...
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Article
Sintering behavior and thermal conductivity of nickel-coated graphite flake/copper composites fabricated by spark plasma sintering
Nickel-coated graphite flakes/copper (GN/Cu) composites were fabricated by spark plasma sintering with the surface of graphite flakes (GFs) being modified by Ni–P electroless plating. The effects of the phase ...
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Article
Effect of Al2O3sf addition on the friction and wear properties of (SiCp+Al2O3sf)/Al2024 composites fabricated by pressure infiltration
Aluminum (Al) 2024 matrix composites reinforced with alumina short fibers (Al2O3sf) and silicon carbide particles (SiCp) as wear-resistant materials were prepared by pressure infiltration in this study. Further, ...
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Article
Effects of size reduction on deformation, microstructure, and surface roughness of micro components for micro metal injection molding
The fabrication of 17-4PH micro spool mandrils by micro metal injection molding was described here. The effects of size reduction on deformation, microstructure and surface roughness were studied by comparing ...
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Article
Open AccessSimulation of jet-flow solid fraction during spray forming
A numerical model was developed to simulate the jet-flow solid fraction of W18Cr4V high-speed steel during spray forming. The whole model comprises two submodels: one is an individual droplet model, which desc...
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Article
Effect of sintering on the relative density of Cr-coated diamond/Cu composites prepared by spark plasma sintering
Cr-coated diamond/Cu composites were prepared by spark plasma sintering. The effects of sintering pressure, sintering temperature, sintering duration, and Cu powder particle size on the relative density and th...
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Article
Effect of graphite powder as a forming filler on the mechanical properties of SiCp/Al composites by pressure infiltration
(38vol% SiCp + 2vol% Al2O3f)/2024 Al composites were fabricated by pressure infiltration. Graphite powder was introduced as a forming filler in preform preparation, and the effects of the powder size on the micro...
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Article
Thermal properties of diamond/Al composites by pressure infiltration: comparison between methods of coating Ti onto diamond surfaces and adding Si into Al matrix
This study was pertained to the effects of Ti coating on diamond surfaces and Si addition into Al matrix on the thermal conductivity (TC) and the coefficient of thermal expansion (CTE) of diamond/Al composites...
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Article
Microstructure and graphitization behavior of diamond/SiC composites fabricated by vacuum vapor reactive infiltration
To inhibit the graphitization of diamond under high temperature and low pressure, diamond/SiC composites were firstly fabricated by a rapid gaseous Si vacuum reactive infiltration process. The microstructure a...
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Article
Microstructure and mechanical properties of spark plasma sintered Ti-Mo alloys for dental applications
Ti-Mo alloys with various Mo contents from 6wt% to 14wt% were processed by spark plasma sintering based on elemental powders. The influence of sintering temperature and Mo content on the microstructure and mec...
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Article
Precipitation behavior of γ′ phase in superalloy FGH96 under interrupted cooling test
The precipitation behavior of γ′ phase, under various interrupt cooling tests after 1170 °C, solution treatment was examined. The results indicate that the size of secondary γ′ precipitates increases with the ...
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Article
Microstructure and properties of nano-TiN modified Ti(C,N)-based cermets fabricated by powder injection molding and die pressing
Powder injection molding (PIM) and die pressing were employed to fabricate nano-TiN modified Ti(C,N)-based cermets. The shrinkage behavior, microstructure, porosity, and mechanical properties of the samples wi...
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Article
Effect of titanium carbide coating on the microstructure and thermal conductivity of short graphite fiber/copper composites
Graphite fiber–Cu composites have drawn much attention in electronic packaging due to its excellent machinability and thermal properties. However, the weak interface bonding between graphite fiber and copper r...
