Microstructure and properties of Fe-based coatings on cutting pick surface formed by plasma jet surface metallurgy

摘要：

The Fe-based composite coatings were produced on the attrition spot of cutting pick by plasma jet surface metallurgy, and metallurgical bonding was obtained between coating and substrate. The results show that the microstructure, microhardness, wear resistance and erode resistance of the coating are all evaluated. The coating has apparent characteristics of rapid and layered crystallization from planar crystal-cell/dendritic transition zone on the interface, to equiaxed crystal on the midst, to spike crystal on the surface. The microhardness gradually increases from the bottom to the top of the coating. The composite coating has better wear resistance and erode resistance compared to steel substrate.

关键词： cutting pick plasma jet surface metallurgy microstructure wear resistance erode resistance

作者: CHEN Hao YANG Jian-gao LI Hui-qi

作者单位: School of Materials and Chemical Engineering, Jiangxi University of Science and Technology,Ganzhou 3 Engineering Research Center of High-efficiency Development and Application Technology of Tungsten Re School of Materials Science, Shandong University of Science and Technology, Qingdao 266510, China

会议类型: 国际会议

会议名称: 2009 Frontier Symposium of China Postductors on Materrials Science(2009年中国博士后材料科学前言论坛)

会议地点: 长沙

会议语种:英文

页码: 583-586

在线出版日期: 2009-11-22（万方平台首次上网日期，不代表论文的发表时间）