结果表明，采用该工艺可获得高密度、高碳含量、具有马氏体、贝氏体和网状碳化物组织的粉末冶金气门座。
The results show that P/M valve seats using this technology has high density and high carbon content , and their microstructure are martensite , bainite and network carbide.
采用反应气体可以生产碳化物、氮化物纳米粉末。
When reaction gas is filled, nano carbide or nitride powder may be prepared.
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