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In this study, large micron-sized SiC particles were fragmented via ball-milling process in the presence of iron and nickel powders, separately, to fabricate composite powders of Fe–SiC and Ni–SiC. Continuous fracturing of brittle SiC powders leads to the formation of multi-modal-sized SiC powders with size of from 50 nm to slightly higher than 10 µm after 36-h ball milling. The milled powders were...
The microstructures and tensile properties of Mg–6.0Zn–0.6Zr (ZK60) and ZK60 + 1.8Gd (ZEK620 (RE = Gd)) alloys extruded at 290, 305, 320, 340 and 360 °C were investigated. The results indicate that Gd addition can refine the microstructures of ZK60 alloy and the extrusion parameters such as the extrusion temperature will influence the tensile properties of both as-extruded ZK60 and ZEK620 alloys,...
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