Effect of normal loads and mating pairs on the tribological properties of diamond-like carbon film

被引：29
作者：
Liu, Yunhai [1 ]
Wang, Lei [1 ]
Liu, Ting [3 ]
Zhang, Peng [2 ]
机构：
[1] Southwest Petr Univ, Sch Mechatron Engn, Chengdu 610500, Peoples R China
[2] Sichuan Univ, Sch Mech Engn, Chengdu 610065, Peoples R China
[3] Sichuan Coll Architectural Technol, Dept Transportat & Municipal Engn, Chengdu 610399, Peoples R China
来源：
WEAR | 2021年 / 486卷
基金：
中国国家自然科学基金;
关键词：
Diamond-like carbon film; Normal load; Friction pair; Transfer layer; Friction heat; DLC FILMS; LOW-FRICTION; A-CH; COATINGS; WEAR; STEEL; PERFORMANCE; GRAPHENE; HYDROGEN; SUPERLUBRICITY;
D O I：
10.1016/j.wear.2021.204083
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The influence of normal loads and mating pairs on the tribological properties of diamond-like carbon (DLC) film was investigated using atomic force microscopy (AFM), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and Raman characterizations. The friction and wear behaviors of DLC film are not only related to the friction pairs but also related to the normal loads. The friction coefficient and wear rate of DLC film are smaller with the increase of load, but the wear degree of DLC film is more serious with the increase of hardness of the friction pair. Raman analysis indicates that the structural evolution of DLC film should have a limited contribution on the different friction behaviors of DLC film against ZrO2, bearing steel and SiC balls. The results of TEM and Raman characterizations further show that the key factor determining the low friction of DLC film is the graphitization degree of the transfer layer rather than the formation continuity and compactness of the transfer layer. The results further deepen our understanding of the related mechanisms between DLC films and friction pairs under different normal loads as guidance for the application of DLC films in future industrial fields.
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页数：8
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