研究了不同回火工艺的Cr12MoV钢对磨盘对H13钢在25和600℃下干滑动磨损行为的影响,采用XRD、SEM、显微硬度计等对磨损表面、亚表面的结构和形貌进行分析,并探讨其磨损机制.结果表明,不同回火工艺的Cr12MoV钢对磨盘显著影响H13钢的磨损行为:对磨Cr12MoV (55 HRC)时,磨损率在25℃下随载荷增加而缓慢增长,600 ℃下急剧增加.对磨Cr12MoV(42 HRC)时,磨损率在25℃下增长较快,而在600℃下增长缓慢.25℃下,无论对磨盘硬度高低,主要磨损机制均为粘着磨损和磨粒磨损;而高温下,对磨低硬度盘时为氧化轻微磨损,对磨高硬度盘时为氧化磨损和严重塑性挤出磨损.
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