采用Gleeble-3500热/力模拟试验机、MMS-2A型摩擦磨损试验机及光学显微镜、扫描电镜研究了两种含铬(0.02％、0.24％)微合金高碳重载车轮钢的高温力学性能和摩擦磨损性能,分析了热处理温度对试验钢组织及性能的影响.结果表明,铬元素含量为0.24％的高碳重载车轮钢硬度高,强度、塑性及耐磨性能好;热处理温度在840℃时试验钢的铁素体体积分数最大,强度和塑性最好.
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