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zhong tan di he jin gang bu tong zu zhi yu nai mo xing de guan xi
Author(s): 
Pages: 1-7
Year: Issue:  3
Journal: Ordnance Material Science and Engineering

Keyword:  低合金钢磨损显微组织机械性能;
Abstract: 研究了45CrMnSiMoRE钢不同组织状态的机械性能以及在不同磨料磨损条件下的耐磨性。结果表明,在两体静载磨损条件下,钢的耐磨性主要取决于钢的硬度,淬火马氏体及150℃回火马氏体由于硬度较高均具有良好的耐磨性。在三体冲击磨损条件下,钢的耐磨性取决于硬度与韧性的匹配情况,冲击磨损耐磨性最佳的组织是300℃回火后的回火马氏体及回火马氏体+25%下贝氏体,这两种组织状态均具有较好的强韧性。通过对磨面形貌的显微分析,探讨了两种磨损条件下的磨损机制,从微观角度阐明了钢的耐磨性与其它机械性能的内在联系。
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