润滑油
材料科学
钼
锐钛矿
纳米颗粒
摩擦学
分解
化学工程
金红石
催化作用
二硫代氨基甲酸盐
冶金
复合材料
纳米技术
化学
光催化
有机化学
工程类
生物化学
作者
Daiki Matsukawa,Jae‐Hyeok Park,Woo-Young Lee,Takayuki TOKOROYAMA,Jae‐Il Kim,Ryoichi Ichino,Noritsugu Umehara
出处
期刊:Coatings
[Multidisciplinary Digital Publishing Institute]
日期:2024-06-19
卷期号:14 (6): 773-773
被引量:2
标识
DOI:10.3390/coatings14060773
摘要
Tribochemically produced triboproducts are becoming increasingly important in tribosystems and serve to improve system performance by preventing friction or wear. Diamond-like carbon (DLC) is chemically stable, which features a trade-off with tribological pros and cons. Chemically stable DLC is thermally stable and suppresses surface damage in a high-temperature operating environment; however, it causes a detrimental effect that hinders the formation of a competent tribofilm. In this study, we dispersed highly reactive TiO2 nanoparticles (TDONPs) in molybdenum dithiocarbamate (MoDTC)-containing lubricant for adhering triboproducts on the DLC surface. In addition, TDONPs contributed to the decomposition of triboproducts by promoting the decomposition of MoDTC through its catalytic role. Rutile TDONPs were more helpful in reducing friction than anatase TDONPs and improved the friction performance by up to ~100%.
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