陈肇翼,刘靖,任学平,方旭东

• 1:北京科技大学材料科学与工程学院
• 2:山西太原钢铁集团有限公司

摘要(Abstract)：

对13Cr超级马氏体不锈钢进行轧制温度1000～1100℃,变形量40%～60%的轧制实验,轧制后进行水冷和回火处理。对不同轧制工艺下的试样的显微组织进行观察,用X射线衍射(XRD)检测回火后的逆变奥氏体含量,在扫描电镜(SEM)下观察并分析回火后试样的Ni元素分布。结果表明,在各轧制工艺下试样均发生了再结晶,晶粒尺寸随着轧制温度的升高及变形量的减小而增大;经轧制水冷并回火处理后的试样,Ni元素发生富集并促进逆变奥氏体形成,随着轧制温度的升高及轧制变形量的减小,Ni元素的富集程度增大,回火后的逆变奥氏体含量增加。

关键词(KeyWords)： 超级马氏体不锈钢;轧制工艺;逆变奥氏体;Ni元素富集

Abstract:

Keywords:

基金项目(Foundation): 国家十三五重点研究项目(2016YFB0300204)

作者(Author): 陈肇翼,刘靖,任学平,方旭东

DOI: 10.13289/j.issn.1009-6264.2018-0538

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