两种TiAlN涂层的往复滑动摩擦学性能研究*

采用PLINT磨损试验机,对比考察了2种磁控溅射TiAlN涂层在往复滑动条件下的摩擦磨损性能.在摩擦动力学分析基础上,并利用扫描电子显微镜（SEM）、激光共焦显微镜（LCSM）、电子能谱（EDX）和X射线衍射XRD进行了微观分析,探讨了TiAlN涂层的摩擦磨损机理.结果表明：TiAlN涂层的摩擦学性能与涂层本身微结构密切相关;较低的摩擦因数对应着较好的耐磨性;涂层的往复滑动磨损表现为磨粒磨损、剥层和氧化磨损的共同作用的机制.

Study on Tribological Properties of two TiAlN Coatings Under Reciprocating Sliding Condition

The tribological properties under reciprocating sliding condition of two TiAlN coatings, prepared by magnetic sputtering, had been tested on a PLINT wear tester. Some micro-examination methods, such as scanning electron microscopy (SEM) and Energy Dispersive X-ray spectrum (EDX) and X-ray diffraction (XRD), were used to analyze the friction and wear mechanism of two TiAlN coatings. The experimental results showed that the tribological properties of TiAlN coatings were deeply dependent on their microstructures, and the lower friction coefficient was corresponding to the better wear-resistance. The mechanism of reciprocating sliding wear for TiAlN was the combination of abrasive wear, oxidation wear and delamination.