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Technical Brief

Analysis of Tribological Properties of Triethanolamine Modified Graphene Oxide Additive in Water

[+] Author and Article Information
Jianlin Sun

School of Materials Science and Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing 100083, China
sjl@ustb.edu.cn

Shaonan Du

School of Materials Science and Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing 100083, China
dsnbeikeda@126.com

Yanan Meng

School of Materials Science and Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing 100083, China
mynfighting@163.com

Ping Wu

School of Materials Science and Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing 100083, China; Department of Foundational Science, Beijing Union University, 97 North Fourth Ring East Road, Chaoyang District, Beijing 100101, China
ldtwuping@buu.edu.cn

1Corresponding author.

ASME doi:10.1115/1.4040512 History: Received January 09, 2018; Revised June 03, 2018

Abstract

In this article, triethanolamine modified graphene oxide (TMGO) has been synthesized by filtering and drying the high temperature reaction solution of graphene oxide (GO) and triethanolamine. The tribological performance of TMGO and GO in deionized water (DW) were investigated using a four-ball tribometer. The microscopic morphology of the worn surface was analyzed by optical microscope and scanning electron microscope (SEM) and energy dispersive spectroscopy (EDS). The results showed that the average friction coefficient (AFC) and wear scar diameter (WSD) of 0.1 wt.% TMGO decreased by 21.9% and 6.2% compared with the two values of 0.1 wt.% GO, and no corrosion occurred on metal surface. The minimum of the AFC and WSD occurred at 0.3 wt.% TMGO. This study provides a new reference for the application of graphene oxide in lubrication.

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