采用销盘式磨损试验机对3Cr3Mo2V铸钢和3Cr13钢在环境温度25℃和200℃下进行干滑动磨损试验,研究了显微组织和摩擦氧化物对3Cr3Mo2V铸钢和3Cr13钢磨损行为的影响,并探讨其磨损机制.结果表明:摩擦氧化物对25℃和200℃下的磨损行为和磨损机制有显著的影响,而摩擦氧化物的减磨作用取决于其数量和基体状态等,与钢的成分和显微组织密切相关.高的铬含量阻碍摩擦氧化物的形成,低硬度的回火索氏体加速氧化物剥落,故无摩擦氧化物的作用或作用降低.
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