在超高真空磁控溅射仪上,制备了一系列具有相同调制周期不同层厚比的Cr/CrN涂层.用X射线衍射仪分析了涂层的相组成,通过扫描电镜观察了涂层形貌,采用显微硬度计测试了涂层硬度,在划痕仪上确定涂层和基体间的结合力,并利用磨损仪测量涂层的摩擦磨损性能.结果表明:调制周期为400nm时,当层厚比由2.0减小到0.2,Cr/CrN多层涂层始终由Cr和CrN两相组成,涂层择优取向为CrN(200),且涂层变得愈加致密,硬度从1550HV增大到2300HV,磨损率从2.4×10-8mm3·N-1·m-1减小为0.6×10-8mm3·N-1·m-1,涂层和基体结合性能优良.
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