Microstructure and tribological behaviors of Ti6Al4V alloy treated by plasma Ni alloying
Microstructure and tribological behaviors of Ti6Al4V alloy treated by plasma Ni alloying
复制标题
等离子Ni合金化处理Ti6Al4V合金的显微组织和摩擦学行为
DOI：
10.1016/j.apsusc.2011.07.040
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发表时间：
2011-09
影响因子：
6.7
通讯作者：
Tang, Bin
中科院分区：
文献类型：
--
作者：
Wang, Zhenxia;He, Zhiyong;Wang, Yingqin;Liu, Xiaoping;Tang, Bin
Ni modified layer was prepared on surface of the Ti6Al4V substrate by plasma surface alloying technique. Surface morphology, micro-structure, composition distribution, phase structure, and microhardness of the Ni modified layer were analyzed. Tribological performance of the Ni modified layer and Ti6Al4V substrate was investigated by using pin-on-disc tribometer. The results indicate that roughness of the Ni modified layer was increased due to formation of the micro-convex on the modified surface. The concentration of Ni gradually decreased from the surface to interior. The maximum content of Ni atoms was nearly 90%. The modified layer was composed of TiNi, Ti2Ni and Ti phases. The maximum microhardness of the Ni modified layer was about 677HV0.025which was increased about two-fold of microhardness of the control Ti6Al4V substrate. Wear resistance of the Ni modified layer was improved obviously, and showed micro-abrasion wearing. The strengthened mechanism of the as-treated Ti6Al4V alloy is discussed.
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影响因子：
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通讯作者：
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