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Microstructure and Wear Behavior of Ti-6Al-4V Treated by Plasma Zr-alloying and Plasma Nitriding 被引量:2
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作者 陈凯 刘小萍 +4 位作者 LIU Xiaozhen MENG Tianxu GUO Qi WANG Zhenxia lin naimin 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2016年第5期1086-1092,共7页
A duplex treatment of plasma Zr-alloying and plasma nitriding was used to improve the tribological properties of Ti-6Al-4V. The microstructure of the Zr-N composite(alloyed) layer formed on Ti-6Al-4V and its hardnes... A duplex treatment of plasma Zr-alloying and plasma nitriding was used to improve the tribological properties of Ti-6Al-4V. The microstructure of the Zr-N composite(alloyed) layer formed on Ti-6Al-4V and its hardness, friction and wear properties were investigated by using OM, SEM, GDOES, EDS, microhardness tester as well as ball-on-disk tribometer. The results of microstructural analysis show that the alloyed layer is compact and uniform and is mainly composed of ZrN, TiN_(0.3) and AlN. A very tiny adhesive and slight oxidation wear is the primary wear mechanism for the modified Ti-6Al-4V. The tribological property is improved significantly after the duplex treatment. The good combination of antifriction and wear resistance for modified Ti-6Al-4V is mainly attributed to the higher surface hardness of metal nitrides formed on the surface and enhanced supporting of the Zr-diffusing layer. 展开更多
关键词 Ti-6Al-4V plasma Zr-alloying plasma nitriding friction wear
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