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Article
Study of the Microstructure and Properties of Cold Sprayed NiCr Coating
NiCr coating was prepared on the surface of AISI 1045 steel substrate by cold spraying. The microstructure, phase composition and mechanical properties of the NiCr coating were studied, the wear resistance and...
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Article
Effect of Laser Remelting on Microstructure and Properties of AlCoCrFeNi High-Entropy Alloy Coating
A high-entropy alloy coating of AlCoCrFeNi was prepared by plasma spraying and then remelted via laser remelting. The effect of laser remelting on the microstructure, mechanical properties and wear resistance ...
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Article
(Y, Gd)H2 phase formation in as-cast Mg-6Gd-3Y-0.5Zr alloy
In this work, a new (Y, Gd)H2 precipitate was identified and systematically investigated in the as-cast Mg-6Gd-3Y-0.5Zr alloy by XRD, SEM with EDS, TEM with EDS techniques and thermodynamics analysis. Results sho...
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Article
Microstructure and dry sliding wear behavior of as-cast TiCp/Ti-1100-0.5Nb titanium matrix composite at elevated temperatures
The microstructure and dry sliding wear performance of as-cast TiCp/Ti-1100-0.5Nb composite at 25 °C, 500 °C and 600 °C were systematically investigated. Results show that the solidification matrix microstructure...
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Article
Thermal shock resistance of double-layer thermal barrier coatings
To reveal the thermal shock resistance of double-layer thermal barrier coatings (TBCs), two types of TBCs were prepared via atmospheric plasma spraying, i.e., Gd2Zr2O7/yttria-stabilized zirconia (GZ/YSZ) TBCs and...
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Article
Precipitation and evolution of nodular graphite during solidification process of ductile iron
The quantity and morphology of spheroidal graphite have an important effect on the properties of ductile iron, and the characteristics of spheroidal graphite are determined by the solidification process. The a...
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Article
Simulation on stress of large diameter CADI grinding ball based on ANSYS
The falling ball tests were carried out on the Φ125 mm diameter Carbidic Austempered Ductile Iron (CADI) grinding balls with Mn content of 2.0wt.%, 2.3wt.%, 2.6wt.% and 3.0wt.%, respectively, and the kind of grin...
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Article
Effect of Tungsten Inert Gas Arc Remelting on Microstructure and Wear Properties of Plasma-Sprayed NiCr-Cr3C2 Coating
In this work, a NiCr-Cr3C2 coating was prepared on an AISI 1045 steel substrate by plasma spraying and then remelted with the tungsten inert gas (TIG) arc method. The purpose was to study the effects of TIG remel...
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Article
Effects of austempering temperature on microstructure and surface residual stress of carbidic austempered ductile iron (CADI) grinding balls
The effects of austempering temperature on microstructure and surface residual stress of carbidic austempered ductile iron (CADI) grinding balls were systematically investigated in this work. The microstructur...
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Article
Influence of Ca on mierostructure and corrosion resistance of Mg-14Li alloy
In order to improve the corrosion resistance of magnesium lithium alloy, Mg-14Li alloy with different content of Ca (0, 3, 5, 10wt.%) was prepared with a induction melting furnace. Electrochemical test and cor...
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Article
Microstructures and Tribological Properties of Fe-Based Amorphous Metallic Coatings Deposited via Supersonic Plasma Spraying
The effects of the Ar flow rate and spraying power of a supersonic plasma spraying process on the microstructures and amorphous phase contents of Fe48Cr15Mo14C15B6Y2 amorphous coatings were systematically investi...
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Article
Formation mechanism of spheroidal carbide in ultra-low carbon ductile cast iron
The formation mechanism of the spheroidal carbide in the ultra-low carbon ductile cast iron fabricated by the metal mold casting technique was systematically investigated. The results demonstrated that the sph...
