引用本文:郭纯，陈建敏，周健松，赵杰荣，周惠娣.Ti-6Al-4V激光重熔结构及摩擦学性能[J].中国表面工程,2011,24(3):11~16
GUO Chun, CHEN Jian-min, ZHOU Jian-song, ZHAO Jie-rong, ZHOU Hui-di.Microstructure and Tribological Properties of Laser Remelting Ti-6Al-4V[J].China Surface Engineering,2011,24(3):11~16
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Ti-6Al-4V激光重熔结构及摩擦学性能
郭纯，陈建敏，周健松，赵杰荣，周惠娣1,2
1. 中国科学院兰州化学物理研究所 固体润滑国家重点实验室，兰州 730000;2. 中国科学院研究生院，北京 100039
摘要:
利用激光重熔技术对Ti-6Al-4V(TC4) 表面进行了处理。用XRD、SEM和 TEM分析了合金化层的组成和组织结构。在SRV-IV微动摩擦磨损试验机上对TC4基材和激光重熔后TC4的摩擦磨损性能进行对比测试。结果表明：激光重熔可以细化TC4的晶粒，显著提高TC4的表面硬度和耐磨性能。
关键词:  钛合金  激光重熔  组织结构  摩擦磨损性能
DOI：
分类号:
基金项目:国家自然科学基金（51045004）；中国科学院知识创新工程（YYYJ0913）；创新群体基金（50421502）
Microstructure and Tribological Properties of Laser Remelting Ti-6Al-4V
GUO Chun, CHEN Jian-min, ZHOU Jian-song, ZHAO Jie-rong, ZHOU Hui-di1,2
1.State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000;2.Graduate University of Chinese Academy of Sciences, Beijing 100039
Abstract:
TC4 substrate was remelting by laser remelting. Crystalline phase and microstructure of the coatings were analyzed by Xray diffraction (XRD), Scan electron microscopy (SEM) and Transmission electron microscopy (TEM). Tribological properties were examined using SRVIV tester under dry sliding condition. It has been found that the laser remelting treatment can improve the hardness and wear resistance of the asreceived TC4, and the crystal size of the asreceived TC4 can be refined after laser remelting.
Key words:  titanium  laser remelting  microstructure  friction and wear properties
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