许文博,石伟,张欣

• 1:清华大学机械工程系

摘要(Abstract)：

采用扫描电镜、热膨胀曲线测量和XRD测试等分析手段,研究了时效温度对马氏体型沉淀硬化不锈钢(FV520B)组织的影响。逆变奥氏体在600℃以上保温开始时即开始形成,无孕育期,冷却过程中有一部分会再次转变为马氏体;随时效温度的升高,冷却到室温后的逆变奥氏体含量先升高后降低,在大约630℃时达到峰值。

关键词(KeyWords)： 沉淀硬化;时效;马氏体不锈钢;逆变奥氏体

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展计划课题(2011CB013404)

作者(Author): 许文博,石伟,张欣

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