In situ tribological regulation behavior induced by MSH@LaF3 in phosphate/MoS2 bonded solid lubricating coatings

被引：3
作者：
Xi, Zhengchao [1 ,2 ]
Sun, Jianbo [3 ]
Chen, Lei [1 ,2 ]
Cui, Haixia [1 ,2 ]
Ma, Yanjun [1 ,2 ]
Zhou, Huidi [1 ,2 ]
Chen, Jianmin [1 ,2 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, Key Lab Sci & Technol Wear & Protect Mat, Lanzhou 730000, Peoples R China
[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
[3] Aerosp Res Inst Mat & Proc Technol, Beijing 100076, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2023年 / 189卷
基金：
中国国家自然科学基金;
关键词：
Coating; Additives; Wear-resistant; Mechanochemical; MAGNESIUM-SILICATE HYDROXIDE; HYDROSILICATE POWDERS; COMPOSITE COATINGS; WEAR BEHAVIORS; FRICTION; ENHANCEMENT; PERFORMANCE; HYBRID; OIL;
D O I：
10.1016/j.triboint.2023.108971
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Composite powders consisted of tubular MSH and LaF3 NPs were incorporated to improve the tribological performance of phosphate/MoS2 composite coatings. It suggested that tribological performance of composite coatings can be greatly promoted by MSH@LaF3, and at the same time, the enhancement effect can be further facilitated by high-temperature treatment on MSH@LaF3. The concrete reason was attributed to that LaF3 stimulated dehydration of structural water and stripping of silicon-oxygen tetrahedra sheet from MSH matrix, through which MSH@LaF3 can easily undergo tribo-chemical reactions with the worn surface and initiated insitu formation of cermet tribo-film. What's more, MSH@LaF3 that transferred into the tribo-film also induced the formation of MoS2 lubrication film on the top worn surface.
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页数：10
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