周霆伟,赵海,周红伟,何宜柱,张明如,苏世怀

• 1:安徽工业大学材料科学与工程学院
• 2:马鞍山钢铁股份有限公司

摘要(Abstract)：

采用滚滑接触疲劳磨损试验和纳米压痕试验以及光学显微镜、扫描电镜等研究了两种不同原始组织高速车轮钢的滚滑接触疲劳磨损行为。结果表明:无碳化物贝氏体车轮钢比珠光体车轮钢具有更好的耐磨性。两种钢经磨损试验后,表层组织发生演变并在表面产生白层组织。珠光体钢白层区域弹性模量低,塑韧性差,白层易剥落降低耐磨性;无碳化物贝氏体钢次表层变形区的塑韧性较好,阻碍其表面裂纹向内扩展,提高了耐磨性。

关键词(KeyWords)： 高速车轮钢;滚滑接触疲劳磨损;白层;纳米压痕

Abstract:

Keywords:

基金项目(Foundation): 中国工程院重大咨询项目“高速车轮产业化战略研究”(ZGZ201812-03)

作者(Author): 周霆伟,赵海,周红伟,何宜柱,张明如,苏世怀

DOI: 10.13289/j.issn.1009-6264.2020-0176

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