期刊
TRIBOLOGY INTERNATIONAL
卷 191, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2023.109129
关键词
Electro-Spark Deposition; Wear Resistance; Lancaster Coefficient; Tribology
In this research, the Al2O3/MoS2 nanocomposite coating layer was successfully applied on the surface of Ti-6Al-4 V alloy. The relation between the surface characteristics and wear resistance of the coating was studied using atomic force microscopy analysis and pin-on-disk wear test method. The results showed that the nanocomposite coating significantly reduced the wear rate and provided an equation to calculate the Lancaster coefficient.
In this research, the Al2O3/MoS2 nanocomposite coating layer was applied on the surface of Ti-6Al-4 V alloy by hybrid method (combination of Electro-Spark Deposition (ESD) and oxidation methods). Atomic force microscopy (AFM) analysis and pin-on-disk wear test method were used to study the surface and the wear resistance of the samples, respectively to determine the relation between them. Results showed that by applying a nanocomposite coating, the wear rate was decreased by approximately 59.5%, with a roughness of 248 nm and hardness of 718 Vickers was 1.15 x 10-4 mm3/m. Considering the obtained results, the influence of surface parameters such as roughness, coating thickness, and hardness on the Lancaster coefficient was studied and an equation was proposed to calculate it.
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