摘要
在轨道用扣件弹条钢(60Si2Cr)上注入不同浓度的氮离子,用电弧离子镀技术沉积了Cr过渡层,并在其上制备了CrSiN/Cr复合涂层。在UMT-3多功能摩擦磨损机上对复合层进行了法向载荷为20N的摩擦磨损实验,探讨了经不同氮离子注入浓度后Cr/CrSiN复合涂层摩擦磨损行为和损伤机理,研究发现,经氮离子注入后,复合涂层表面硬度明显的增加,随着离子注入浓度的升高涂层的耐磨性逐渐提高,其磨损机制主要为剥落和磨粒磨损。
The nitrogen were implanted on the 60Si2Cr steel with different ion implantation and deposition, and Cr/CrSiN composite coatings were prepared used arc ion deposition. The sliding friction test using CETR UMT multi-specimen test system （UNT-3） in dry state with a load of 20N. The tribological properties of substrate and coatings were analyzed. The results showed that the tribologieal properties of the treated steel had im- proved significantly. With increasing of the concentration of ion implantation, the wear resistance of the coating improved. The mechanism of the CrSiN/Cr composite coatings were delamination and abrasion wear.
出处
《功能材料》
EI
CAS
CSCD
北大核心
2012年第19期2689-2693,共5页
Journal of Functional Materials
基金
国家自然科学基金资助项目(51005192
U1134202)
长江学者和创新团队发展计划资助项目(IRT1178)
机械传动国家重点实验室2010年度开放基金资助项目(SKLMT-KFKT-201007)
