The size effect of typical micro- and nano-calcium carbonate additives on the friction properties of calcium sulfonate grease

被引：1
|
作者：
Sun, Longqi [1 ,2 ]
Zhao, Qin [1 ,3 ]
Ma, Rui [1 ,2 ]
Su, Huaigang [1 ,2 ]
Zhao, Gaiqing [1 ,2 ,3 ]
Wang, Xiaobo [1 ,2 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou, Peoples R China
[2] Qingdao Ctr Resource Chem & New Mat, Qingdao, Peoples R China
[3] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
来源：
LUBRICATION SCIENCE | 2024年 / 36卷 / 02期
基金：
中国国家自然科学基金;
关键词：
calcium carbonate microparticles; calcium carbonate nanoparticles; calcium sulfonate grease; lubrication performance; TRIBOLOGICAL PROPERTIES; CACO3; NANOPARTICLES; FILM THICKNESS; LUBRICATION; PERFORMANCE; COMPLEX; MECHANISM; ANTIWEAR; BEHAVIOR; CONTACT;
D O I：
10.1002/ls.1674
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
This paper firstly reports the size effect of typical micro- and nano- calcium carbonate additives on the friction properties of calcium sulfonate grease. The rheological and tribological performance of calcium sulfonate grease with typical micro- and nano- calcium carbonate additives were investigated at 30 or 80(degrees)C by Rheometer and Optimol SRV-V tester. To its surprise, calcium sulfonate grease with 5% calcium carbonate microparticles behave remarkable lubrication performance than calcium sulfonate grease with 5% calcium carbonate nanoparticles under boundary lubrication condition according to the rheological analysis and tribological evaluation. The enhancement in excellence tribological performance can be attributed to the synergistic effect between calcium carbonate microparticles and calcium carbonate in thickener of calcium sulfonate grease. The thin film composed of CaCO3 and CaO on the worn surface generated by solid particles is conducive to reducing friction and wear.
引用
收藏
页码：74 / 87
页数：14
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