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research-article

Non-lubricated sliding wear behavior study of SiC-B4C-Si cermet against a diamond indenter

[+] Author and Article Information
P. Sahani

Department of Metallurgical and Materials Engineering National Institute of Technology, Rourkela-769008, India
pankajinisahani@gmail.com

D. Chaira

Department of Metallurgical and Materials Engineering National Institute of Technology, Rourkela-769008, India
chaira.debasis@gmail.com

1Corresponding author.

ASME doi:10.1115/1.4035344 History: Received August 09, 2016; Revised November 20, 2016

Abstract

The non-lubricated sliding wear of SiC-B4C–Si cermets against a diamond indenter was studied. The cermets containing 2, 5, 10 and 20 wt. % of Si were fabricated by both conventional sintering and SPS (spark plasma sintering) techniques. It has been observed that wear depth, volume of the wear debris, and wear rate increases with increasing applied load for both cases. Minimum wear depth and lowest wear rate was obtained for the cermet containing 10 wt. % Si. Three-body abrasion is the main wear mechanism which results in surface de-lamination, and formation of grooves and cavities on the damaged surface.

Copyright (c) 2016 by ASME
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