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第 1 期 王新宇, 等: 表面织构对管道内壁碳基涂层润湿性与摩擦学性能影响 93
0.20 0.2
40 psi
0.1
0.15 20 psi
30 psi 0.2 30 psi
Friction coefficient 0.10 0.1
40 psi
0.2
20 psi
0.05
0.1
0.00 0.0
0 900 1 800 2 700 3 600 0 1 200 2 400 3 600
Time/s
Fig. 10 Friction coefficient of DLC coating (sand blasting before deposition) in oil lubricated environment
图 10 DLC涂层(先喷砂后沉积涂层)在油润滑环境中的摩擦系数
0.20 坑效应在两个方面互相竞争的结果.
d. 采用先沉积涂层后激光织构化处理时,0.01 mm×
Friction coefficient 0.10 0.01 mm 下制备的涂层具有更好的润湿性和摩擦学性能. 在油
0.15
0.05 mm
0.1 mm 0.01 mm点阵参数下获得的DLC涂层比其它工艺条件
润滑条件下,摩擦系数十分平稳且低于0.1.
0.05
参 考 文 献
0.00
0 900 1 800 2 700 3 600 [ 1 ] Ankit Tyagi, R S Walia, Qasim Murtaza, et al. A critical review of
Time/s
diamond like carbon coating for wear resistance applications[J].
Fig. 11 Friction coefficient of DLC coating (laser texture International Journal of Refractory Metals and Hard Materials, 2019,
after deposition) in oil lubricated environment 78: 107–122. doi: 10.1016/j.ijrmhm.2018.09.006.
图 11 DLC涂层(先沉积涂层后激光织构处理)在油润滑环 [ 2 ] Chen Qingyun, Shi Kaimin, Su Minhua, et al. Progress of diamond-
境中的摩擦系数
like carbon films[J]. Journal of Material Engeering, 2017, 45(3):
119–128 (in Chinese) [陈青云, 施凯敏, 苏敏华, 等. 类金刚石膜研
涂层表面的织构虽然可以作为界面的润滑油储集器,
究进展[J]. 材料工程, 2017, 45(3): 119–128]. doi: 10.11868/j.issn.1001-
消除接触处的磨损颗粒,但只有在最佳的织构点阵
4381.2015.000229.
[9]
(0.01 mm×0.01 mm)下,可以达到这种增益效果 . [ 3 ] Gropper Daniel, Wang Ling, Harvey Terry J, et al. Hydrodynamic
lubrication of textured surfaces: A review of modeling techniques
3 结论
and key findings[J]. Tribology International, 2016, 94: 509–529. doi:
5
a. 利用2.06×10 Pa(30 psi)喷砂压力和0.01 mm× 10.1016/j.triboint.2015.10.009.
[ 4 ] Miao Jiazhi, Guo Zhiwei, Yuan Chengqing. Effect of textured
0.01 mm点阵进行织构化处理的DLC涂层具有最佳的
surface on the friction performance of cylinder liner-piston ring
储油性能,而0.01 mm×0.01 mm点阵则对应最好的摩
system in the internal combustion engine[J]. Tribology, 2017, 37(4):
擦学性能. 465–471 (in Chinese) [苗嘉智, 郭智威, 袁成清. 表面织构对内燃
b. 对于先激光织构化处理,后沉积涂层的样品, 机缸套-活塞环系统摩擦性能的影响[J]. 摩擦学学报, 2017, 37(4):
影响摩擦学性能的原因主要在于织构化涂层与对偶 465–471]. doi: 10.16078/j.tribology.2017.04.007.
接触时产生的边缘效应和刮擦效应,这使织构化涂层 [ 5 ] Wang Xiuying, Shi Liping, Dai Qinwen, et al. Multi-objective
optimization on dimple shapes for gas face seals[J]. Tribology
的摩擦系数增大且波动增强,对偶的磨损也随之显著
International, 2018, 123: 216–223. doi: 10.1016/j.triboint.2018.
增高.
03.011.
c. 对于先在管道内表面进行喷砂处理,后沉积涂 [ 6 ] Tang Yong, Tang Heng, Wan Zhenping, et al. Research progress of
层的样品,不同样品间摩擦系数的差异可以解释为凹 hydrodynamic lubrication of surface texture[J]. Journal of South