采用600℃低温氧化处理对Ti6Al4V合金进行了表面改性,利用OM、AFM、XRD、显微硬度仪和磨损试验机等表征与考察氧化表面基本特性及磨损性能.结果表明:低温氧化处理使Ti6Al4v表面形成了金红石型TiO2氧化层,表面颜色、形貌、粗糙度和组织发生了变化,并有效地提高了表面硬度.在Ti6Al4V/Cr12MoV摩擦体系中,低温氧化处理的钛合金磨损量仅为未处理的1.52%,但氧化100h时,磨损量略有增加;在Ti6Al4V/UHMWPE摩擦体系中,低温氧化处理不仅提高了Ti6Al4V自身的磨损性能,而且也间接地改善了UHMWPE的磨损性能.
参考文献
| [1] | 王金友;葛志明;周彦邦.航空用钛合金[M].上海:上海科学技术出版社,1987:1-10. |
| [2] | 李梁,孙健科,孟祥军.钛合金的应用现状及发展前景[J].钛工业进展,2004(05):19-24. |
| [3] | Budinski K G .Tribological properties of titanium alloys[J].Wear,1991,151(02):203-217. |
| [4] | Buckley D H;Miyoshi K .Friction and wear of ceramics[J].Wear,1984,100(1-3):333-335. |
| [5] | 何利舰,张小农.钛及钛合金的表面处理技术新进展[J].上海金属,2005(03):39-45. |
| [6] | H.Dong;X.Y.Li .Oxygen boost diffusion for the deep-case hardening of titanium alloys[J].Materials Science and Engineering,2000,A280:303-310. |
| [7] | 张秋平,张永寿.钛合金表面硬化处理[J].飞航导弹,2005(02):50-55. |
| [8] | Borgioli F;Galvanetto E;Iozzelli F et al.Improvement of wear resistance of Ti6A14V alloy by means of thermal oxidation[J].Materials Letters,2005,59:2159-2162. |
| [9] | Guleryuz H;Cimenoglu H .Surface modification of a Ti-6Al-4V alloy by thermal oxidation[J].Surface & Coatings Technology,2005(2/3):164-170. |
| [10] | X. Y. Li;H. Dong;W. Shi .New insights into wear of Ti6Al4V by ultra-high molecular weight polyethylene under water lubricated conditions[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2001(1):553-560. |
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