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吴刘军,许晓静,陈婷卓,朱利华.球磨冷压烧结制备TNZS基生物材料的摩擦学性能[J].稀有金属材料与工程(英文),2017,46(12):3928~3934.[Wu Liujun,Xu Xiaojing,Chen Tingzhuo and Zhu Lihua.Tribological property of TNZS-based biomaterials prepared by milling, cold pressed and sintering[J].Rare Metal Materials and Engineering,2017,46(12):3928~3934.]
Tribological property of TNZS-based biomaterials prepared by milling, cold pressed and sintering
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Received:October 29, 2015  Revised:April 07, 2016
Key words: powder metallurgy  bio-titanium-based material  dry friction  artificial body fluid friction  microhardness
Foundation item:江苏省高校自然科学基金重大项目(11KJA430004)、江苏大学拔尖人才工程基金(1211110001)
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Wu Liujun,Xu Xiaojing,Chen Tingzhuo and Zhu Lihua  
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      TNZS, TiO2/TNZS, HA/TNZS titanium-based biomedical materials were prepared by powder Metallurgy comebining high-energy ball milling, conventional vacuum and non-pressure sintering. The tribological properties and microhardness of the three sintering bodies were investigated. The results show that under the condition of room temperature, load of 100 g, frequency of 10 HZ, dry friction and Si3N4 ceramic ball for 15 min, HA/TNZS titanium-based biomedical material has low friction coefficient and the best wear resistance; friction coefficients are 0.4323, 0.5643 and 0.4338, and the average width of wear scars are 0.33 mm, 0.26 mm and 0.18 mm, respectively ; wear mechanism of all is abrasive wear, supplemented with oxidation wear and adhesive wear; the average friction coefficients and wear of all materials under artificial body fluid are better than those under dry friction , and wear resistence of HA/TNZS is better than the other two; the average friction coefficient of all are 0.3309, 0.4301 and 0.3840, and the average width of wear scars are 0.27 mm,0.19 mm and 0.17 mm, respectively; wear mechanism are abrasive wear, accompanied by mild oxidation wear and adhesive wear;TiO2/TNZS has the highest microhardness value, and the microhardness values of the three are 525.43 HV, 551.23 HV and 479.27 HV.