International Conference on Mechanical and Electrical Technology, 3rd, (ICMET-China 2011), Volumes 1–3
246 Research on SiCP/MoSi2 Composites Prepared by in — Situ Reaction Attached Hot — Pressing Synthesis
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MoSi2 composites with different volume fraction of SiC particles were prepared by the technology of in—situ reaction attached hot—pressing the pure powder of Mo, Si and C in argon atmosphere after alcohol mixing. The effects of in—situ formed SiC particles on the flexural strength, fracture toughness and microstructure of SiCP/MoSi2 composites were studied. The research shows SiCP/MoSi2 composites can be fabricated by in—situ reaction attached hot—pressing technology. In addition, the relative density, flexural strength and fracture toughness of the composites are increased compared with those of the pure MoSi2 material. It is...