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research-article

Investigation of dry sliding wear behavior of Ni-SiC microwave cladding

[+] Author and Article Information
Sarbjeet Kaushal

Department of Mechanical Engineering, Thapar University, Patiala-147004, Punjab, India
sarbjeet.kaushal@thapar.edu

Dheeraj Gupta

Department of Mechanical Engineering, Thapar University, Patiala-147004, Punjab, India
dheeraj.gupta@thapar.edu

Hiralal Bhowmick

Department of Mechanical Engineering, Thapar University, Patiala-147004, Punjab, India
hiralal.bhowmick@thapar.edu

1Corresponding author.

ASME doi:10.1115/1.4035147 History: Received June 14, 2016; Revised September 29, 2016

Abstract

In the present work a wear resistant composite cladding of Ni-based+10% SiC was developed on martensitic stainless steel (SS-420) through a recently developed process microwave hybrid heating (MHH) technique. In the current investigation, domestic microwave oven of frequency 2.45 GHz and 900 W power was used for the development of clads. The metallurgical and mechanical characterizations of developed clads were carried through scanning electron microscope (SEM), X-ray diffraction (XRD) and Vicker's microhardness. The developed clad is uniformely developed and it is metallurgically bonded with the substrate. The average Vicker's microhardness of the clads were 652±90 HV. The tribological behavior of cladding has been investigated through pin on disc sliding method against an EN-31 (HRC-62). The clad surface showed good resistance to sliding wear. It is observed that in case of clad samples wear occurs due to dislocation of particles, smearing off of tribofilm and craters due to pullout of carbides from the matrix.

Copyright (c) 2016 by ASME
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