等离子熔覆Cr7C3/γ-Fe金属陶瓷复合材料涂层的耐磨性
Wear Properties of Plasma Clad Cr7C3/γ-Fe Ceramal Composite Coating
摘 要
采用等离子熔覆技术,在调质C3钢表面制得以原位生成初生相Cr7C3为增强相的金属陶瓷复合材料涂层;利用SEM、XRD 和EDS等分析了涂层的显微组织和相组成;测试了在室温干滑动磨损及高温滑动磨损条件下涂层的耐磨性,并讨论了其磨损机理.结果表明:涂层的相组成是Cr7C3增强相和γ-Fe固溶体与少量Cr7C3构成的共晶;涂层在室温和高温干滑动磨损条件下均具有优良的耐磨性能.
金属陶瓷复合材料涂层
显微组织
耐磨性
plasma cladding
ceramal composite coating
microstructure
wear property
Abstract
A new type in-situ reinforcing Cr7C3 ceramal composite coating was fabricated on carbon steel(C3) substrate by plasma cladding.Microstructure of the ceramal composite coating was characterized by SEM,XRD and EDS.Room and high temperature wear properties were evaluated under dry sliding wear test conditions and their wear mechanism was discussed.The plasma clad ceramal composite coating consistsed of primary Cr7C3 and Cr7C3/γ-Fe eutectics.The coating possessed excellent sliding wear resistance under both room and high temperature test conditions.
中图分类号 TG174.44
所属栏目
基金项目 河南省杰出人才创新基金资助项目(0421001000)
收稿日期 2004/10/22
修改稿日期 2005/10/10
网络出版日期
作者单位点击查看
备注刘均波(1973-),男,山东诸城人,博士研究生.
引用该论文: LIU Jun-bo,WANG Li-mei,HUANG Ji-hua. Wear Properties of Plasma Clad Cr7C3/γ-Fe Ceramal Composite Coating[J]. Materials for mechancial engineering, 2006, 30(2): 42～45
刘均波,王立梅,黄继华. 等离子熔覆Cr7C3/γ-Fe金属陶瓷复合材料涂层的耐磨性[J]. 机械工程材料, 2006, 30(2): 42～45
被引情况:
【1】贾贵西,李言,李洪涛,蒋百灵, "磁控溅射制备碳/铬复合镀层的结构特征及自润滑性能",机械工程材料 35, 40-43(2011)
【2】范华山,徐江, "铝元素对MoSi2涂层抗氧化性能的影响",机械工程材料 37, 17-20(2013)
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