Abstract

The evaporation behavior and characteristics of jet milled RuCr alloy powders processed by radio-frequency (RF) plasma treatment were evaluated during this study. RF plasma treatment was found to be effective in eliminating internal pores and in manufacturing spherical powder. However, the RF plasma treatment resulted in the evaporation of Cr. The degree of evaporation of Cr was significantly affected by the powder feeding rate. As a result, it was found that controlling the torch power was more effective than controlling the powder feeding rate for obtaining desirable RuCr alloy powders.

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