鲁思渊,陈蕴博,姚可夫,王淼辉,葛学元

• 1:清华大学材料学院
• 2:先进成形技术及装备国家重点实验室机械科学研究总院先进制造技术研究中心

摘要(Abstract)：

通过金相、SEM和TEM观察,表面粗糙度测试和电化学实验方法,对经过不同温度淬火和回火的国产Cr13型马氏体不锈钢的微观组织演变及其对材料硬度,表面光洁度和耐蚀性能的影响进行了分析研究。结果表明,马氏体是基体中的主要相,当回火温度为650℃时,铁素体变成基体中的主要相,随着回火温度的提高,不锈钢基体组织发生了由回火马氏体到回火索氏体的演变。回火后,材料的硬度降低,当回火温度达到650℃,材料硬度降至22 HRC,其表面光洁度大幅度降低。同时,回火材料的耐点蚀性能低于淬火态材料,且随着回火温度的提高,马氏体不锈钢的点蚀电位降低,并在500℃时达到最差。

关键词(KeyWords)： 马氏体不锈钢;热处理工艺;硬度;表面光洁度;耐蚀性

Abstract:

Keywords:

基金项目(Foundation): 国家重点基础研究发展计划资助项目(2012CB025906);

作者(Author): 鲁思渊,陈蕴博,姚可夫,王淼辉,葛学元

DOI: 10.13289/j.issn.1009-6264.2015.s1.043

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