Study on Friction and Wear Property of Plasma Nitride Layer on Ti13Nb13Zr Alloy

TIAN Wei-hong; GUO Yang-yang; LI Xuan-peng; GUO Ya-xin; FAN Ai-lan; LIU Xiao-ping; TANG Bin

doi:10.16490/j.cnki.issn.1001-3660.2015.05.011

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Surface Technology ›› 2015, Vol. 44 ›› Issue (5) : 58-61,142. DOI: 10.16490/j.cnki.issn.1001-3660.2015.05.011

Study on Friction and Wear Property of Plasma Nitride Layer on Ti13Nb13Zr Alloy

TIAN Wei-hong, GUO Yang-yang, LI Xuan-peng, GUO Ya-xin, FAN Ai-lan, LIU Xiao-ping, TANG Bin

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Abstract

Objective To improve the wear resistance of medical titanium alloys. Methods Nitride modified layer was fabricated on the surface of Ti13Nb13Zr alloy via plasma nitriding technique. The microstructure distribution, chemical composition and microhardness of the modified layer were characterized. The friction and wear behavior of the modified layer and untreated substrate was investigated under dry friction condition with a reciprocating friction and wear machine. Results A modified layer with smooth and dense structure was formed on the Ti13Nb13Zr surface after plasma nitriding, and the surface hardness reached up to 1110HV0. 025. The wear volume of nitride layer was one twenty-third that of untreated titanium alloy. Conclusion Plasma nitriding could greatly improve the friction and wear resistance of Ti13Nb13Zr titanium alloy.

Key words

Ti13Nb13Zr; plasma nitriding; hardness; friction resistance

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TIAN Wei-hong, GUO Yang-yang, LI Xuan-peng, GUO Ya-xin, FAN Ai-lan, LIU Xiao-ping, TANG Bin. Study on Friction and Wear Property of Plasma Nitride Layer on Ti13Nb13Zr Alloy[J]. Surface Technology. 2015, 44(5): 58-61,142

Funding

Supported by the National Natural Science Foundation of China (51171125,51474154,51471191); the Shanxi Province Programs for Science and Technology Development (20110321051) and the Shanxi Province Programs for Study Abroad Fund (2011-038)