Tribological behavior of Fe3O4/MoS2 nanocomposites additives in aqueous and oil phase media

被引：68
|
作者：
Zheng, Xiaojing [1 ]
Xu, Yufu [2 ]
Geng, Jian [2 ]
Peng, Yubin [2 ]
Olson, Dustin [3 ,4 ]
Hu, Xianguo [1 ]
机构：
[1] Hefei Normal Univ, Sch Arts & Media, Hefei 230601, Peoples R China
[2] Hefei Univ Technol, Sch Mech Engn, Hefei 230009, Peoples R China
[3] Univ Wisconsin, Dept Chem, Milwaukee, WI 53211 USA
[4] Univ Wisconsin, Surface Studies Lab, Milwaukee, WI 53211 USA
来源：
TRIBOLOGY INTERNATIONAL | 2016年 / 102卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Fe3O4; nanoparticles; MoS2; nanosheets; Fe3O4/MoS2; nanocomposites; Aqueous lubrication; COMPOSITES; NANOSHEETS; CORROSION; WEAR; IRON; LUBRICATION; NANOSPHERES; ADSORPTION;
D O I：
10.1016/j.triboint.2016.05.024
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
To improve the dispersing effects of nanoparticles, Fe3O4/MoS2 nanocomposites were fabricated by precipitation of Fe3O4 nanoparticles onto MoS2 nanosheets, and their tribological properties were investigated. The experimental results show that with an increase in the concentration of MoS2 nanosheets and Fe3O4/MoS2 nanocomposites in both aqueous and bio-diesel media, the friction coefficient and wear scar diameters (WSD) of the steel balls decreased significantly. The maximum decrease amounted to 34.6% for friction coefficient and 29.7% for WSD. The excellent lubricating mechanisms are ascribed to the well dispersed Fe3O4 nanoparticles on MoS2 nanosheets; the combined effect of the nanoball bearing role of Fe3O4 nanoparticles, slippery role of MoS2 nanosheets, adsorbed- and tribo-film help to reduce the friction and wear of the tribo-pairs. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：79 / 87
页数：9
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