The synergistic lubricating mechanism of Sn-Ag-Cu and C60 on the worn surface of M50 self-lubricating material at elevated loads

被引：39

作者：

Liu, Xiyao ^{[1
,2
]}

Shi, Xiaoliang ^{[1
,2
]}

Lu, Guanchen ^{[1
,2
]}

Deng, Xiaobin ^{[1
,2
]}

Zhou, Hongyan ^{[1
,2
]}

Yan, Zhao ^{[1
,2
]}

Chen, Yuan ^{[1
,2
]}

Xue, Bing ^{[3
]}

机构：

[1] Wuhan Univ Technol, Sch Mech & Elect Engn, 122 Luoshi Rd, Wuhan 430070, Hubei, Peoples R China

[2] Wuhan Univ Technol, Hubei Digital Mfg Key Lab, 122 Luoshi Rd, Wuhan 430070, Hubei, Peoples R China

[3] Yellow River Conservancy Tech Inst, Coll Mech Engn, Kaifeng 475004, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2019年 / 777卷

基金：

中国国家自然科学基金;

关键词：

M50; Self-lubricating composites; Sn-Ag-Cu; C60; microparticles; TRIBOLOGICAL BEHAVIOR; SOLID LUBRICANTS; BEARING STEEL; SLIDING WEAR; COMPOSITE; MICROSTRUCTURE; WETTABILITY; PERFORMANCE; C-60;

D O I：

10.1016/j.jallcom.2018.11.021

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The potential tribological properties of load-adaptive M50-based self-lubricating composites under various loads were investigated. Pure M50 and M50 composite containing 10 wt%(50Sn40Ag10Cu) (MSAC) samples were prepared by spark plasma sintering. Besides, samples M50 and MSAC, which were all surface-scattered with C60 microparticles, were defined as M-C and MSAC-C, respectively, and the tribological tests of M50, MSAC, M-C, and MSAC-C sliding against Si3N4 ball from 2 to 18N at 0.2 m/s-350 degrees C were performed. Results show that MSAC-C exhibits the excellent friction and wear performance within the range of loads. Analysis indicates that this phenomenon is mainly due to the formation of a composite lubricating film rich in soft metal lubricant Sn-Ag-Cu and C60 microparticles. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：271 / 284

页数：14

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