采用销-盘式高温磨损试验机对Ti6 Al4V合金在20～ 400℃进行干滑动摩擦磨损实验,研究了Ti6Al4V合金的磨损行为并探讨了其磨损机制.结果表明:25℃时,合金的磨损量随载荷的增加而逐渐升高；200℃时的磨损量略高于25℃,但当载荷高于200N时,磨损量急剧升高.当温度为400℃、载荷在50 ～100N时,磨损量降低且达到最低值,随后在100～200N之间磨损量略有升高,200N以后磨损量急剧升高.25℃和200℃下磨损机制主要为黏着磨损和磨粒磨损；400℃、载荷为100 ～200N时磨损机制为氧化轻微磨损.研究发现,磨损过程中形成机械混合层,当400℃,载荷为100 ～200N时机械混合层中出现氧化物Ti8O15和TiO2,这样硬的机械混合层具有显著地减磨作用.
参考文献
| [1] | 刘莹,曲周德,王本贤.钛合金TC4的研究开发与应用[J].兵器材料科学与工程,2005(01):47-50. |
| [2] | LIU Y;QU Z D;WANG B X .Development and application of TC4 titanium alloy[J].Ordnance Materials Science and Engineering,2005,28(05):47-50. |
| [3] | 孟庆武,耿林,王春华,刘树林,韩文静.两种热处理钛合金的摩擦磨损性能[J].大庆石油学院学报,2006(04):46-48. |
| [4] | 孟庆武,耿林,王春华,刘树林,韩文静.两种热处理钛合金的摩擦磨损性能[J].大庆石油学院学报,2006(04):46-48. |
| [5] | 霍林.摩擦学原理[M].北京:机械工业出版社,1981:1-24. |
| [6] | 温诗铸.摩擦学原理[M].北京:清华大学出版社,1990:1-15. |
| [7] | 邓守军,孙乐民,张永振.磨损机理的变迁与现状[J].机械研究与应用,2004(06):10-11,15. |
| [8] | DENG S J;SUN L M;ZHANG Y Z .Variance and actuality of wear mechanism[J].Mechanical Research and Application,2004,17(06):10-12. |
| [9] | BUDINSKI K G .Tribological properties of titanium alloys[J].Wear,1991,151:203-217. |
| [10] | YERRAMAREDDY S;BAHADUR S .The effect of laser surface treatments on the tribological behavior of Ti-6Al-4V[J].Wear,1992,157:245-262. |
| [11] | Straffelini G.;Molinari A. .Dry sliding wear of Ti-6Al-4V alloy as influenced by the counterface and sliding conditions[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,1999(1):328-338. |
| [12] | Giovanni Straffelini;Alberto Molinari .Mild Sliding Wear of Fe-0.2%C, Ti-6%Al-4%V and Al-7072: A Comparative Study[J].Tribology letters,2011(1):227-238. |
| [13] | MOLINARI A;STRAFFELINI G;TESI B et al.Dry sliding wear mechanism of the Ti-6Al-4V alloy[J].Wear,1997,208:105-112. |
| [14] | Qiu Ming;Zhang Yong-zhen;Yang Jian-heng;Zhu Jun .Microstructure and tribological characteristics of Ti-6Al-4V alloy against GCr15 under high speed and dry sliding[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2006(1/2):71-75. |
| [15] | Md. Ohidul Alam;A. S. M. A. Haseeb .Response of Ti-6Al-4V and Ti-24Al-11Nb alloys to dry sliding wear against hardened steel[J].Tribology International,2002(6):357-362. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%