Research of Making Powder of RE-Si Ferroalloy
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摘要: 對液體稀土硅鐵的粘度和表面張力進行了測定和分析;還對稀土硅鐵的各種霧化工藝進行了實驗研究,找出一種新的制粉工藝,采用“氬吹一空冷”聯合流程,制得了適合噴射冶金需要的粒度范圍在0.2mm～2.0mm、流動性能良好的稀土硅鐵粉末。同時還對稀土硅鐵制粉過程應用高速攝影技術進行了分析,對霧化制粉的機理進行研究。Abstract: For making powder alloy, the riscosity and surface tension of liquid alloy are analysed and determined. Different atomization processes are put into operation in laboratory scale. A complex process of argon atomization and air cooling showes to be suitable for that purpose. The product of rare earth alloy powder is with a sizes of 0.2mm~2.0mm and good fluidity. For analysing the mechanism of atomizing process, a high speed photographic technology is used.
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