固溶渗氮Cr18Mn21钢的耐蚀性研究  

Study on corrosion resistance of solid solution nitriding Cr18Mn21 steel

作　　者：陈咨伟 丁国刚 隋小波 黄岩 金松哲 CHEN Ziwei;DING Guogang;SUI Xiaobo;HUANG Yan;JIN Songzhe(Changchun High Nitrogen Alloy Research and Development Center Limited Company, Changchun 130012, China;School of Materials Science & Engineering, Changchun University of Technology, Changchun 130012, China;Jiangyin Xingcheng Special Steel Limited Company, Wuxi 214410, China)

机构地区：[1]吉林常春高氮合金研发中心有限公司,吉林长春130012 [2]长春工业大学材料科学与工程学院,吉林长春130012 [3]江阴兴澄特种钢铁有限公司,江苏无锡214410

出　　处：《长春工业大学学报》2020年第1期87-92,共6页Journal of Changchun University of Technology

基　　金：吉林省省级产业创新专项资金项目(2017C047-3);吉林省科技发展计划项目(20180201077GX)。

摘　　要：采用高纯氮气,在常压下对Cr18Mn21钢进行固溶渗氮处理,研究了固溶渗氮工艺对渗氮层显微组织、厚度、硬度及耐蚀性的影响。利用XRD和光学显微镜研究了Cr18Mn21钢渗氮层相组成及显微组织;利用显微硬度测试仪和电化学工作站测试了Cr18Mn21钢渗氮层的硬度分布和耐腐蚀性。Cr18Mn21 steel is treated using solid solution nitriding under atmospheric pressure with high purity nitrogen.The effect of solid solution nitriding on microstructure,thickness,hardness and corrosion resistance of nitriding layer is studied.The phase composition and microstructure of solid solution nitriding layer of Cr18Mn21 steel are studied with XRD and optical microscope,while the hardness distribution and corrosion resistance of nitriding layer of Cr18Mn21 steel are measured with microhardness tester and electrochemical workstation.

关 键 词：固溶渗氮 Cr18Mn21钢 渗氮层 耐蚀性 

分 类 号：TG174[金属学及工艺—金属表面处理]