Microstructural characterisation of microwave cladding on stainless steel

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Authors

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DOI:

https://doi.org/10.18311/jmmf/2021/30098

Keywords:

Cladding, microwave, composite powder, flyash

Abstract

Partial dilution of clad powder and the substrate to form a new protective layer is called cladding. The present article focuses on the development of a novel surface modification technique for better resistance to wear/erosion using microwaves as a source of heat. Clads of MoCoCrSi/flyash were produced on austenitic stainless steel (SS-316) using microwave irradiation. Composite clads were established by irradiating microwaves at 2.45 GHz frequency and power of 900W using a domestic microwave applicator for 42 minutes. Characterization of the developed clads was performed in the form of metallographic (microstructure) and mechanical (hardness) tests. Careful observation of the microstructures revealed uniform grain structures, free from defects on the surface of the cladded substrate. Further, no significant cracks were found on the transverse section of the clad, characterizing good bonding between clad particles and substrate. The developed clad demonstrates significantly higher hardness than the substrate.

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Published

2022-04-28

How to Cite

Tahir Abbas, S., Shreyas, D. Y., ., T., Shashank Lingappa, M., & Durgaprasad, C. (2022). Microstructural characterisation of microwave cladding on stainless steel. Journal of Mines, Metals and Fuels, 69(12A), 73–77. https://doi.org/10.18311/jmmf/2021/30098
Received 2022-04-27
Accepted 2022-04-27
Published 2022-04-28

 

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