Investigating the Enhancement of Mechanical Properties through Hardfacing in Submerged Arc Welding: An Experimental Approach

International Journal of Mechanical Engineering

© 2024 by SSRG - IJME Journal

Volume 11 Issue 6

Year of Publication : 2024

Authors : Yogesh Agrawal, Anil Singh Yadav, Nitin Tenguria, Santosh Katkade, Abhishek Sharma

10.14445/23488360/IJME-V11I6P103

How to Cite?

Yogesh Agrawal, Anil Singh Yadav, Nitin Tenguria, Santosh Katkade, Abhishek Sharma, "Investigating the Enhancement of Mechanical Properties through Hardfacing in Submerged Arc Welding: An Experimental Approach," SSRG International Journal of Mechanical Engineering, vol. 11,  no. 6, pp. 19-26, 2024. Crossref, https://doi.org/10.14445/23488360/IJME-V11I6P103

Abstract:

Hard facing is a surfacing technique in which a hard layer is deposited over soft material to improve wear resistance. In this article iron based hard facing has been successfully developed with the help of submerged arc welding. Since iron-based alloy associates with low cost and better metallurgical properties, it has been chosen for the final experiment in this work. Three hard-facing layers with different carbon content have been successfully developed without any defects. The mechanical and metallurgical characteristics of the created hard facing alloy have been examined, and it displayed a substantial increase in properties over the basic material. Microstructures of the deposited layer exhibit a combination of hard carbides and austenite, with carbides embedded in a soft austenite matrix. As the quantity of alloying elements increases, the microstructure likewise exhibits an increase in carbide volume percentage. The hardness of the hard-facing layer has also improved by 142.5% as compared to the base material, and it is improving as the carbon and chromium percentages increase. Erosive wear study showed improvement in erosion resistance of deposited layer as compared to base material and resistance to erosion is increasing with increment of carbon percentages more amount of carbon produces more volume of carbides.

Keywords:

Erosive wear, Fe-Cr-C, Hardness, Submerged arc welding, Wear resistance.

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