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research-article

Study on Tribological Properties of Antimony Nanoparticles as Liquid Paraffin Additive

[+] Author and Article Information
Jianlin Xu

State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
ggdjlxu@sina.com

Shuhua Yang

School of Material Science and Engineering, University of Jinan, Jinan 250022, China
yangshuhua78@163.com

Lei Niu

State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
88346397@qq.com

Xiaoqi Liu

State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
1334702594@qq.com

Jinqiang Zhao

State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China
1435102985@qq.com

1Corresponding author.

ASME doi:10.1115/1.4036172 History: Received July 13, 2016; Revised February 07, 2017

Abstract

Antimony nanoparticles, which surfaces were modified by alkyl phenol polyoxyethylene ether, were used as a kind of lubricating additives in liquid paraffin. The tribological properties of antimony nanoparticles as lubricating additives were evaluated and compared with those of pure liquid paraffin on a four-ball test machine. The morphology and chemical composition of worn surface were investigated and analyzed by using SEM and EDS. The results show that the additives can obviously improve the anti-wear and friction reducing properties of liquid paraffin, which are better under high friction load. The double-layer crystal structure of antimony can be separated and glided along cleavage plane by friction-shear force and normal load, respectively. The separating and gliding of antimony can form a physical adsorption film, which can separate friction surface to avoid direct contact of friction surface and play an important role in improving the anti-wear and friction reducing properties.

Copyright (c) 2017 by ASME
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