Atomically thin hydroxylation boron nitride nanosheets for excellent water-based lubricant additives

被引：46

作者：

Bai, Yufeng ^{[1
]}

Wang, Lixia ^{[2
]}

Ge, Chunhua ^{[1
]}

Liu, Rui ^{[1
]}

Guan, Hongyu ^{[1
]}

Zhang, Xiangdong ^{[1
]}

机构：

[1] Liaoning Univ, Coll Chem, Shenyang 110036, Liaoning, Peoples R China

[2] Wulanchabu Municipal Bur Ecol & Environm, Siziwang Banner Branch, Wulanchau, Inner Mongolia, Peoples R China

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2020年 / 103卷 / 12期

关键词：

exfoliation; exfoliation stability; HO-BNNS; lubricant additives; thermal conductivity; TRIBOLOGICAL PROPERTIES; THERMAL-CONDUCTIVITY; FRICTION; NANOPARTICLES; EXFOLIATION; GRAPHENE; SUPERLUBRICITY; NANOPLATELETS; PERFORMANCE; BEHAVIOR;

D O I：

10.1111/jace.17088

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Hexagonal Boron nitride (BN) can be used as a lubricant additive, which can dramatically reduce friction energy. However, due to the accumulation of BN in the water-based lubricants and the difficulty of entering the friction contact area, the tribological performance of BN becomes worse. To address this issue, the atomically thin hydroxylated boron nitride nanosheets (HO-BNNS) were successfully prepared. The thickness of HO-BNNS is only 0.6-0.8 nm. Meanwhile, the HO-BNNS has excellent dispersion stability in water-based lubricants because of the hydroxyl group on the surface of HO-BNNS. The as-prepared HO-BNNS exhibits unique friction properties as a water-based dispersible lubricant additive. Additionally, the average wear scar diameter, average friction coefficient, and mean wear volume of HO-BNNS/water-based (0.05 wt%) drop by about 64.7%, 60%, and 95.73%. Finally, the introduction of HO-BNNS can well control the temperature of water-based lubricant.

引用

页码：6951 / 6960

页数：10

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