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Development of MoSi2-SiC Component for Satellite Launch Vehicle

机译:卫星运载火箭用MoSi 2 -SiC组件的研制

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Intermetallic base MoSi2-SiC composite, an excellent high temperature oxidation-resistant material meant for the aerospace structural applications between 1600°C and 1700°C under oxidizing environment, has been developed successfully using powder metallurgy techniques. Mechanically milled (MM) MoSi2 powder, blended with SiC particulate was consolidated by vacuum hot pressing, yielded about 98.5% theoretical density. The composite has been characterized for physical, mechanical, and thermal properties. Properties were found satisfactory. Machining of semis to intricate shape was possible through electro-discharge machining (EDM) process. Plasma arc jet test (PAJT) under argon and argon
机译:金属间化合物基MoSi2-SiC复合材料是一种出色的高温抗氧化材料,适用于在氧化环境下1600°C至1700°C的航空航天结构应用,已经成功地使用粉末冶金技术进行了开发。通过真空热压将与SiC颗粒混合的机械研磨(MM)MoSi2粉末固结,得到约98.5%的理论密度。该复合材料具有物理,机械和热学性能。发现性能令人满意。通过放电加工(EDM)工艺可以将半成品加工成复杂的形状。氩气和氩气下的等离子弧喷射试验(PAJT)

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