针对奥氏体不锈钢表面硬度低、摩擦因数大、耐磨性差等问题,对316不锈钢进行电化学处理获得表面织构,再对获得表面织构的试样进行离子氮化处理.在干摩擦和脂润滑条件下研究了316不锈钢基材和复合处理试样与GCr15钢球和Si3N4陶瓷球配副的摩擦学行为.结果表明:复合处理后试样表层主要由￡相、γ'相和CrN相组成,表面硬度为1 048 HV0.1;在干摩擦条件下,表面织构未被完全破坏,在摩擦过程中起到了捕捉磨屑、降低磨损的作用;在脂润滑条件下,表面织构起到了储存油脂提供二次润滑源的作用.与两种摩擦配副在两种测试条件下,复合处理试样的磨损失重量均远低于316不锈钢基体.
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