Nano Bi Chemical Modification and Tribological Properties of Bi/SiO2 Composite as Lubricating Oil Additives

被引：8

作者：

Liu, Cong ^{[1
]}

Yin, Yanguo ^{[1
,2
]}

Li, Congmin ^{[1
]}

Xu, Ming ^{[1
]}

Li, Rongrong ^{[1
]}

Chen, Qi ^{[1
]}

机构：

[1] Hefei Univ Technol, Inst Tribol, Hefei 230009, Peoples R China

[2] Anhui Powder Met Engn Technol Res Ctr, Hefei 230009, Peoples R China

来源：

TRIBOLOGY LETTERS | 2022年 / 70卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Chemical modification; Nanoparticles; Nano-lubricant additives; Friction and wear; SIO2; NANOPARTICLES; ANTIWEAR; BISMUTH; PERFORMANCE; FRICTION; NANOCOMPOSITES; TRANSITION; BEHAVIOR; ZRO2; CUO;

D O I：

10.1007/s11249-022-01610-6

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Nano Bi particles were subjected to chemical modification. The modified Bi particles were examined via field emission transmission electron microscopy, X-ray diffraction, infrared spectroscopy, and thermogravimetric analysis. Liquid paraffin oil (LPO) lubricants with different Bi/SiO2 contents were prepared through dispersion method by adding the modified nano Bi particles. The tribological properties of LPO containing Bi/SiO2 were determined using a tribometer. Results showed that the modified nano Bi particles were successfully coated with a layer of organic molecular chain, and the uniform dispersion and stability in lubricating oil were improved. Bi/SiO2 composite nanoparticles significantly improve the tribological properties of LPO, which benefits from the synergy among soft Bi, hard SiO2 particles, and LPO.

引用

页数：15

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