Tribological Properties of Mo2N Films at Elevated Temperature

被引：21
作者：
Liu, Chenkai [1 ]
Ju, Hongbo [1 ]
Yu, Lihua [1 ]
Xu, Junhua [1 ]
Geng, Yaoxiang [1 ]
He, Wenxiang [1 ]
Jiao, Jixuan [1 ]
机构：
[1] Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Mengxi Rd 2, Zhenjiang 212003, Jiangsu, Peoples R China
来源：
COATINGS | 2019年 / 9卷 / 11期
基金：
中国国家自然科学基金; 国家重点研发计划; 中国博士后科学基金;
关键词：
reactive magnetron sputtering; Mo2N films; elevated temperature; tribological properties; CRYSTAL-STRUCTURE; OXIDATION BEHAVIOR; NITRIDE FILMS; COATINGS; MICROSTRUCTURE; FRICTION; TRANSFORMATION; ENHANCEMENT; DIFFRACTION; MON;
D O I：
10.3390/coatings9110734
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mo2N films were synthesized using the reactive magnetron sputtering system in a mixture of argon and nitrogen, and the tribological properties were investigated at different testing temperatures against an Al2O3 counterpart. The relative intensity ratio (RIR) method was used to calculate the weight fraction of the tribo-film (MoO3) on the wear tracks of the films. The results showed that the average friction coefficient first increased from 0.30 at 25 degrees C to 0.53 at 200 degrees C, and then decreased to 0.29 at 550 degrees C, while the wear rate decreased from 2.1 x 10(-6) mm(3)/Nmm at 25 degrees C to 5.3 x 10(-7) mm(3)/Nmm at 200 degrees C and then increased to 3.1 x 10(-5) mm(3)/Nmm at 550 degrees C. The weight fraction of tribo-film was mainly attributed to changes in the average friction coefficient and the wear rate. Besides this, the relative humidity also influenced the tribological properties at 25-200 degrees C.
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页数：10
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