无镍奥氏体不锈钢在模拟体液中的摩擦学行为Tribological behavior of nickel-free austenitic stainless steel in artificial body fluid
周广宏,丁红燕,戴起勋
摘要(Abstract):
通过SEM、XRD等分析测试手段,研究了13Cr24Mn0.44N不锈钢的组织、硬度及其在Hank s体液中的滚-滑摩擦行为。结果表明:由于试样表面生成了软质易剪切的表面膜,降低了摩擦因数;磨损初期,不锈钢的表面只是产生轻微的犁削,犁沟不明显;进入稳定期后,磨痕中出现了鱼鳞状花样的剥落,材料表面发生了应变疲劳;由于在受到外力作用时,形变过程中易出现层错,因此提高了材料的耐磨性。
关键词(KeyWords): 无镍奥氏体不锈钢;腐蚀磨损;模拟体液
基金项目(Foundation): 江苏省材料摩擦学重点实验室开放基金项目(KJS03006);; 淮安市工业发展项目(HAG05046)
作者(Author): 周广宏,丁红燕,戴起勋
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