在CETR UMT-2摩擦磨损试验机上用Si3N4陶瓷球和纯钛(TA2)球作为对磨副,对物理气相沉积(PVD)方法制备的WC/C固体润滑涂层进行了球一盘式的滑动摩擦磨损实验.利用光学显微镜(OM)、扫描电子显微镜(SEM)和电子能谱(EDX)对磨损表面进行了微观分析,探讨了WC/C涂层的摩擦磨损机理.结果表明:滑动速度对WC/C涂层的摩擦特性影响很大,较小的滑动速度有利于在两种对磨副的磨痕表面形成致密连续的转移膜.Si<,3>N<,4>球作为对磨副时,WC/C涂层的损伤主要表现为剥层及氧化磨损;纯钛球作为对磨副时,涂层损伤表现为轻微的磨粒磨损和氧化磨损,WC/C涂层拥有良好的抗钛粘着性能.
参考文献
| [1] | Grill Alfred .Diamond-like carbon: state of the art[J].Diamond and Related Materials,1999(2 Mar):428-434. |
| [2] | Donnet C. .Recent progress on the tribology of doped diamond-like and carbon alloy coatings: a review[J].Surface & Coatings Technology,1998(1/3):180-186. |
| [3] | 张俊彦.薄膜/涂层的摩擦学设计及其研究进展[J].摩擦学学报,2006(04):387-396. |
| [4] | Olle Wanstrand;Mats Larsson;Per Hedenqvist .Mechanical and tribological evaluation of PVD WC/C coatings[J].Surface & Coatings Technology,1999(2/3):247-254. |
| [5] | Navinsek B.;Panjan P.;Cekada M.;Quinto DT. .Interface characterization of combination hard/solid lubricant coatings by specific methods[J].Surface & Coatings Technology,2002(2/3):194-203. |
| [6] | PARK S J;LEE K R;KO D H et al.Microstructure and mechanical properties of WC/C nanocomposite films[J].Diamond and Related Materials,2002,11:1750-1760. |
| [7] | A. Czyzniewski .Deposition and some properties of nanocrystalline WC and nanocomposite WC/a-C:H coatings[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2003(1/2):180-185. |
| [8] | A. A. Voevodin;J. P. O'Neill;J. S. Zabinski .Tribological performance and tribochemistry of nanocrystalline WC/amorphous diamond-like carbon composites[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,1999(1/2):194-200. |
| [9] | Podgornik B.;Vizintin J.;Jacobson S.;Hogmark S. .Tribological behaviour of WC/C coatings operating under different lubrication regimes[J].Surface & Coatings Technology,2004(0):558-565. |
| [10] | Y. Liu;M. Gubisch;W. Hild;M. Scherge;L. Spiess;Ch. Knedlik;J.A. Schaefer .Nanoscale multilayer WC/C coatings developed for nanopositioning, part Ⅱ: Friction and wear[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2005(1/2):140-148. |
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%