氮化激光淬火复合处理对18Cr2Ni4WA钢耐磨性能的影响
Effect of Nitriding and Laser Quenching Compact Treatment on Wear Resistance of 18Cr2Ni4WA Steel
李助军1, 陈泽宇1, 陈选民1, 朱繁康2
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作者单位：(1. 广州铁路职业技术学院 机械与电子学院, 广东 广州 510430; 2. 华南理工大学科技实业总厂, 广东 广州 510640)
中文关键字：氮化； 激光淬火； 18Cr2Ni4WA钢； 磨损机理
英文关键字：nitriding; laser quenching; 18Cr2Ni4WA steel; wear mechanism
中文摘要：在SRV Ⅳ微动磨损试验机上考察了氮化激光复合处理对18Cr2Ni4WA钢耐磨性能的影响。结果表明：在试验条件下，正火+高温回火试样表面的维氏硬度约为280 HV，而渗氮激光复合处理试样的维氏约为780 HV，具有较好耐磨性。并对磨损机理进行了讨论。
英文摘要：Wear resistance of 18Cr2Ni4WA steel after nitriding and laser quenching was studied on a SRVⅣoscillating friction and wear tester. The results show that the hardness of normalizing and high temperature tempering sample is about 280 HV, the hardness of sample after nitriding and laser quenching is about 780 HV, and the sample has excellent wear resistance performance. The wear mechanism was also discussed.