Journal
JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME
Volume 135, Issue 1, Pages -Publisher
ASME
DOI: 10.1115/1.4007676
Keywords
multiwalled carbon nanotube; additive; tribological properties; water
Categories
Funding
- Natural Science Foundation of China [51002030]
- State Key Laboratory of Mechanical Transmission [SKLMT-KFKT-200904]
- Ph.D. Program Foundation of Ministry of Education of China [20100092120006]
- Southeast University
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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. [DOI: 10.1115/1.4007676]
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