CrNiMo钢在高速干滑动条件下摩擦表面的组织变化研究  

Study on Microstructural Variations of CrNiMo Steel under High Speed Dry Sliding Conditions

作　　者：杜三明[1] 张永振[2] 段海涛[2] 刘维民[1] 

机构地区：[1]中国科学院兰州化学物理研究所固体润滑国家重点实验室,甘肃兰州730000 [2]河南科技大学材料科学与工程学院,河南洛阳471003

出　　处：《润滑与密封》2007年第11期5-7,共3页Lubrication Engineering

基　　金：国家自然科学基金资助项目(50432020);河南科技大学校基金资助项目(2006QN054)

摘　　要：在MMS-1G型高速干滑动摩擦磨损试验机上,采用CrNiMo钢作为销试样,与H96黄铜盘配副,进行了高速干滑动摩擦磨损试验,研究其高速干滑动摩擦磨损性能。对试验后的试样沿纵切面进行微观组织分析,探讨摩擦表面在试验前后及不同试验参数条件下的组织变化。结果表明,在高速干滑动条件下,CrNiMo钢材料的摩擦磨损性能随滑动速度的增加存在突变,其微观组织摩擦后沿纵切面发生了较大变化,且摩擦表面组织随滑动速度增加,发生了回复再结晶及碳化物的析出和长大。　By using a high-speed tribo-tester,the tribological behaviors of CrNiMo steel were investigated under high speed dry sliding conditions.Longitudinal cross-section TEM samples were examined from the worn surface to the matrix.The results show that,with increasing of the speed,the tribological properties of CrNiMo steel have a mutation point.The microstructure of material are changed apparently along the longitudinal section,and recovery and recrystallization are generated in the processing of friction and wear.

关 键 词：高速干滑动 CrNiMo钢 微观组织 磨损特性 

分 类 号：TH117.1[机械工程—机械设计及理论]