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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/26358
Title: Microstructure and wear performance of heat treated WC-12Co microwave clad
Authors: Zafar S.
Sharma, Apurbba Kumar
Published in: Vacuum
Abstract: In this study, WC-12Co powder was deposited onto stainless steel substrate using microwave hybrid heating technique. The deposits were then heat treated within a temperature range of 400 °C–900 °C in controlled (argon) atmosphere. In microwave cladding C and W get liberated due to decarburisation of WC and combine with Co to form amorphous phases. Changes in the constituting phases and microstructure due to post heat treatment were investigated using X-ray diffraction and scanning electron microscopy, respectively. Microstructural observations and phase analysis indicated the formation of eta-phases during heat treatment up to 400 °C, which lead to increase in the hardness and wear resistance of the clads. Microhardness examination revealed significant improvement in hardness post heat treatment at 400 °C. The abrasive wear behaviour of the WC-12Co has been correlated with microstructural and phase changes due to post clad heat treatment at various temperatures. © 2016 Elsevier Ltd
Citation: Vacuum, 131: 213-222
URI: https://doi.org/10.1016/j.vacuum.2016.06.021
http://repository.iitr.ac.in/handle/123456789/26358
Issue Date: 2016
Publisher: Elsevier Ltd
Keywords: Abrasive wear
Cladding
Heat treatment
Microstructure
Microwave
WC-Co
ISSN: 0042207X
Author Scopus IDs: 56345797700
55434064300
Author Affiliations: Zafar, S., Mechanical and Industrial Engineering Department, Indian Institute of Technology Roorkee, Roorkee, 247667, India
Sharma, A.K., Mechanical and Industrial Engineering Department, Indian Institute of Technology Roorkee, Roorkee, 247667, India
Funding Details: 
Corresponding Author: Sharma, A.K.; Mechanical and Industrial Engineering Department, India; email: akshafme@gmail.com
Appears in Collections:Journal Publications [ME]

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