刘建涛,张义文

• 1:钢铁研究总院高温材料研究所

摘要(Abstract)：

采用扫描电镜(SEM)、透射电镜(TEM)等多种手段对等离子旋转电极雾化工艺(PREP)制备的不同粒度FGH96合金粉末显微组织进行研究,结果表明:200～300μm的粉末颗粒凝固组织呈现典型的树枝晶特征,-50μm的粉末颗粒凝固组织呈现典型的胞状晶特征;粉末在快速凝固过程中会析出不同形貌的亚稳碳化物MC',不同形貌的MC'碳化物化学组成和点阵常数具有一定的差异。

关键词(KeyWords)： FGH96合金;等离子旋转电极工艺;粉末颗粒;显微组织;碳化物

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展(973)计划资助(2010CB631204)

作者(Author): 刘建涛,张义文

DOI: 10.13289/j.issn.1009-6264.2012.01.002

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