超细V_8C_7和Cr_3C_2粉末的制备方法

The Ways of Preparing Ultrafine V_8C_7 and Cr_3C_2 Powder

制备V8C7和Cr3C2粉末的传统方法是将V(Cr)氧化物与固体碳球磨混合﹑二次碳化而成,此方法存在碳化温度高﹑粉末粒度粗等缺点。本文介绍了几种国外制备超细V8C7和Cr3C2粉末的制备方法。

The traditional method of preparing V8C7 and Cr3C2 powder isV and Cr osidesmix with solid carbon,then two times carburization.This method need high temperature,so the powder particle size is coarse.This paper introduces several ways of preparing ultrafine V8C7 and Cr3C2 powder.