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Effect of a cermet additive in lubricating oil on tribological performance of steel/steel friction pair
Author(s): 
Pages: 132-136
Year: Issue:  3
Journal: TRANSACTIONS OF MATERIALS AND HEAT TREATMENT

Keyword:  金属陶瓷添加剂摩擦磨损自修复钢铁摩擦副金属陶瓷修复层;
Abstract: 研究了金属陶瓷润滑油添加剂在球(销)盘磨损试验机上对钢/钢摩擦副摩擦学性能的影响及其作用机理,采用扫描电镜,原子力显微镜,纳米压痕仪,X光衍射仪等仪器对摩擦表面形成的金属陶瓷修复层进行了分析.结果表明,该添加剂对钢/钢摩擦副具有很好的抗磨作用,试验中反复出现的负磨损现象体现了其显著的动态自修复功能;在钢/钢摩擦副表面形成的金属陶瓷修复层,粗糙度可低至十几个纳米,硬度高达16GPa,对改善摩擦学性能发挥了重要作用;但XRD广角衍射和小角掠射的分析都只发现基体α-Fe相,没有发现其它新相.陶瓷润滑油添加剂代表当前添加剂领域中一种最新发展趋势,其作用机理有待进一步深入系统的研究.
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