赵彦辉,巴宏波,郎文昌,杜昊,于宝海

• 1:中国科学院金属研究所
• 2:温州职业技术学院材料成型工艺与模具技术重点实验室

摘要(Abstract)：

采用不同温度对Cr12MoV钢进行电弧等离子体辅助渗氮处理。采用X射线衍射(XRD)分析渗氮层的相组成,采用扫描电子显微镜(SEM)及光学显微镜分别观察渗氮样品表面形貌及横截面形貌,利用显微硬度计测试渗氮层的硬度分布。结果表明:实验钢渗氮层的结构由CrN+γ'-Fe4N+ε-Fe3N的化合物层及由含氮马氏体相α-Fe(N)组成,渗氮层的厚度随处理温度的升高而增加。渗氮处理后能明显提高Cr12MoV钢基体的显微硬度。

关键词(KeyWords)： 电弧等离子体辅助渗氮;模具钢;组织结构;硬度

Abstract:

Keywords:

基金项目(Foundation): 沈阳市科技计划资助项目(F10-239-6-00)

作者(Author): 赵彦辉,巴宏波,郎文昌,杜昊,于宝海

DOI: 10.13289/j.issn.1009-6264.2012.s2.030

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