30CrMnSi钢表面激光增材涂层的组织与性能  

Microstructure and properties of laser additive coating on 30CrMnSi steel surface

作　　者：丁紫阳 邢勇[1] 王晓燕[1] 康杰 孙为云 Ding Ziyang;Xing Yong;Wang Xiaoyan;Kang Jie;Sun Weiyun(Department of Materials Science and Engineering,Zhengzhou Technical College,Zhengzhou Henan 450121,China)

机构地区：[1]郑州职业技术学院材料工程系

出　　处：《金属热处理》2019年第11期105-108,共4页Heat Treatment of Metals

摘　　要：采用金相显微分析、EDS分析等方法,研究了30CrMnSi钢表面激光增材涂层的组织与性能。研究表明:30CrMnSi钢经过激光增材获得的表面涂层,其显微组织主要由平面晶、树枝晶、等轴晶组成,耐磨损性、耐腐蚀性有了显著提升,分别约是基材的5.5倍、12.4倍。Microstructure and properties of 30CrMnSi steel surface laser additive coating were studied by means of metallographic microanalysis and EDS analysis.The results show that the laser addition coating on the surface of 30CrMnSi steel is composed of plane crystal,dendrites and equiaxed crystals.The wear resistance and corrosion resistance are significantly improved,which is respectively about 5.5 times and 12.4 times of the substrate.

关 键 词：30CRMNSI钢 激光增材 涂层 组织 性能 

分 类 号：TG178[金属学及工艺—金属表面处理]