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Friction and wear properties of nano-Si3N4/nano-SiC composite were studied under nanolubricated conditions. Mineral oil mixed with nanoparticles of diamond was used as lubricant. A friction coefficient of 0.043 and a wear coefficient of 4.2×10-7 were obtained for nano-Si3N4/nano- SiC composite under normal load of 600 N with mineral oil + 0.5 wt% nanodiamond, whereas a friction coefficient of 0.077 and a wear coefficient of 10.3×10-7 were obtained for nano-Si3N4/nano- SiC composite under normal load of 600 N with mineral oil. 3D surface profilometer was used to study the surface morphology of wear scars. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) studies were conducted to illustrate reduction in friction and wear.


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Friction and wear properties of nano-Si3N4/nano-SiC composite under nanolubricated conditions

Show Author's information M. S. CHAROOM. F. WANI( )
Centre for Tribology, Mechanical Engineering Department, National Institute of Technology Srinagar (J&K), 190006, India

Abstract

Friction and wear properties of nano-Si3N4/nano-SiC composite were studied under nanolubricated conditions. Mineral oil mixed with nanoparticles of diamond was used as lubricant. A friction coefficient of 0.043 and a wear coefficient of 4.2×10-7 were obtained for nano-Si3N4/nano- SiC composite under normal load of 600 N with mineral oil + 0.5 wt% nanodiamond, whereas a friction coefficient of 0.077 and a wear coefficient of 10.3×10-7 were obtained for nano-Si3N4/nano- SiC composite under normal load of 600 N with mineral oil. 3D surface profilometer was used to study the surface morphology of wear scars. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) studies were conducted to illustrate reduction in friction and wear.

Keywords: friction, wear, nano-ceramics, nanolubrication, nano-Si3N4/nano-SiC

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Publication history

Received: 02 October 2015
Revised: 16 February 2016
Accepted: 26 February 2016
Published: 24 May 2016
Issue date: June 2021

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© The author(s) 2016

Acknowledgements

The authors would like to thank P. Šajgalík of the Institute of Inorganic Chemistry, Slovak Academy of Sciences, Dubravska cesta 9, SK-845 36 Bratislava 45, Slovak Republic, for making available the samples of nano-Si3N4/nano-SiC discs used in tribological studies.

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Open Access The articles published in this journal are distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons. org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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