Processing of ceramics through microwave is well established route, but processing metallic materials through microwave has been a challenge. The present paper reports cladding of austenitic stainless steel with a Inconel 718 powder, developed through microwave hybrid heating route. The average thickness of clads was found to be nearly 1 mm. The microstructural study revealed excellent metallurgical bonding between clad and substrate. The clad layer is developed due to partial melting of outer layer of substrate and partial diffusion of powder particles into the substrate. The phases developed in clads were characterised using X-ray diffraction. Clads were further investigated using Field emission- Scanning Electron Microscope and Elemental Analysis. The clads developed were free from porosity and interfacial cracking.

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Development And Microstructural Characterisation Of Inconel Cladding On Stainless Steel Through Microwave Irradiation

Sunny Zafar*, Apurbba Kumar Sharma**, Navneet Arora***
* Department of Mechanical and Industrial Engineering, I.I.T. Roorkee, Uttrakhand, India.
** Associate Professor, Department of Mechanical and Industrial Engineering, I.I.T. Roorkee, Uttrakhand, India.
*** Associate Professor, Department of Mechanical and Industrial Engineering, I.I.T. Roorkee, Uttrakhand, India.
Periodicity:November - January'2013
DOI : https://doi.org/10.26634/jme.3.1.2155

Abstract

Processing of ceramics through microwave is well established route, but processing metallic materials through microwave has been a challenge. The present paper reports cladding of austenitic stainless steel with a Inconel 718 powder, developed through microwave hybrid heating route. The average thickness of clads was found to be nearly 1 mm. The microstructural study revealed excellent metallurgical bonding between clad and substrate. The clad layer is developed due to partial melting of outer layer of substrate and partial diffusion of powder particles into the substrate. The phases developed in clads were characterised using X-ray diffraction. Clads were further investigated using Field emission- Scanning Electron Microscope and Elemental Analysis. The clads developed were free from porosity and interfacial cracking.

Keywords

Cladding, Microwave, Inconel 718, Hybrid Heating.

How to Cite this Article?

Zafar, S., Sharma, A. K., & Arora, N. (2013). Development and microstructural characterisation of Inconel cladding on stainless steel through microwave irradiation. i-manager's Journal on Mechanical Engineering, 3(1), 9-16. https://doi.org/10.26634/jme.3.1.2155

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