摘要:采用等离子体源渗氮技术在AISI 316奥氏体不锈钢表面制备γN相层.研究了γN相层/Si3N4陶瓷球摩擦副在球-盘式磨损仪、载荷2-8 N、滑动速度0.15-0.22 m/s干摩擦条件下的磨损行为,基于详细的磨痕表面和磨屑显微分析,通过响应面分析法建立γN相层在此状态下的磨损机制转变图.结果表明:γN相层在低载荷下的磨损机制主要是氧化磨损;而在较高载荷下的磨损机制主要是塑性变形和磨粒磨损.
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