冯晓庆,蒋如意,陈绪宏,邹国波,石维,向嵩

• 1:贵州大学材料与冶金学院
• 2:贵州省材料结构与强度重点实验室
• 3:重庆市计量质量检测研究院

摘要(Abstract)：

通过辉光离子低温渗氮对904L超级奥氏体不锈钢(904Lss)进行表面改性处理,采用扫描电镜、X射线衍射仪(XRD)、电化学方法等研究了渗氮后试样的表面形貌、显微组织结构、硬度以及耐蚀性能。结果表明:100 Pa渗氮后的试样形成了强化相γ_N相,大大提高了904L不锈钢试样的表面硬度,高达1400 HV0.1;150 Pa渗氮后的试样产生了强氮化物CrN,其耐蚀性远远低于原始904L奥氏体不锈钢。

关键词(KeyWords)： 904L奥氏体不锈钢;低温辉光离子渗氮;电化学测试;腐蚀

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51661006);; 贵州省百层次创新型人才项目(20164014);; 贵州省科技计划项目(20175656);; 贵州省教育厅创新群体重大研究项目(2016021)

作者(Author): 冯晓庆,蒋如意,陈绪宏,邹国波,石维,向嵩

DOI: 10.13289/j.issn.1009-6264.2018-0510

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