The high temperature and varying temperature tribological performance of TiC coatings

2018 International Conference on Advanced Materials, Intelligent Manufacturing and Automation

材料科学;机械制造;运输工程

Wang, Zeyong^1 ; Hu, Shengshuang^2 ; Feng, Changjie^1 ; Chen, En^1

School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang, Jiangxi Province

330063, China^1

AVIC xi'An Aircaft Industry(GROUP) Company LTD, Xi'an, Shanxi Province

710089, China^2

关键词: Alumina balls;    Cathodic arc ion plating;    Friction coefficients;    High temperature;    Tribological performance;    Tribological properties;    Tribological tests;    Varying temperature;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/382/2/022032/pdf
DOI  :  10.1088/1757-899X/382/2/022032

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

TiC coatings were deposited on the AISI304 sheets by cathodic arc ion plating using pure Ti target in Ar/CH4 atmosphere. The surface morphology, hardness and tribological properties were investigated by scanning electron microscope(SEM), micro-hardness tester and ball-on-disc rotating tribometer. The results show that the thickness of the coatings was about 6μm. The hardness was 2000Hv0.05. The tribological tests were carried out at RT, 200°C, 400°C and RT-400°C against alumina balls. The friction coefficient was stable at 0.57 at RT, while the coefficient fluctuated largely at 200°C and RT-400°C due to the lower relative humidity.