孟丽君,邢辉,孙坚

• 1:上海交通大学材料科学与工程学院

摘要(Abstract)：

采用电子显微术对AL6XN奥氏体不锈钢在500～750℃经过最长3600 h时效后的析出进行研究。结果显示,试验钢在500～550℃没有析出物产生;在600℃时效后,奥氏体晶界析出碳化物。当温度升高到650～750℃,大量的析出物出现在奥氏体晶界以及晶粒内部,通过选区电子衍射及能谱分析表明AL6XN奥氏体钢的析出物为σ与Laves相的金属间化合物。

关键词(KeyWords)： AL6XN奥氏体钢;碳化物;σ相;Laves相;析出

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展计划(973)项目(2007CB209803);; 上海市科委技术创新服务平台课题(10DZ2290904)

作者(Author): 孟丽君,邢辉,孙坚

DOI: 10.13289/j.issn.1009-6264.2011.05.017

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