Tribological Properties of Stearic Acid Modified Multi-Walled Carbon Nanotubes in Water-Reference-Cited by-同舟云学术

Tribological Properties of Stearic Acid Modified Multi-Walled Carbon Nanotubes in Water

Published:2012-12-20 Issue:1 Volume:135 Page:
ISSN:0742-4787
Container-title:Journal of Tribology
language:en
Short-container-title:

Author:

Peng Yitian¹,Ni Zhonghua²

Affiliation:

1. Jiangsu Key Laboratory of Design and Manufacture of Micro/Nano Bio-Medical Instruments, School of Mechanical Engineering, Southeast University, Nanjing 211189, China; State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400044, China e-mail:

2. Jiangsu Key Laboratory of Design and Manufacture of Micro/Nano Bio-Medical Instruments, School of Mechanical Engineering, Southeast University, Nanjing 211189, China

Abstract

The oxidized multiwalled carbon nanotubes (MWCNTs) were modified with stearic acid (SA) molecules. The SA-modified MWCNTs were characterized with scanning electron microscopy, transmission electron microscopy, and Fourier transform-infrared spectroscopy. The tribological properties of the oxidized and SA-modified MWCNTs as additives in water were comparatively investigated with a four-ball tester. The results showed the SA-modified MWCNTs in water have better tribological properties including friction reduction and antiwear than oxidized MWCNTs. The possible mechanism of SA-modified MWCNT as an additive in water was discussed. This research provides the opportunity for the lubricant application of MWCNTs.

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/tribology/article-pdf/doi/10.1115/1.4007676/6282574/trib-135-1-012001.pdf

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