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Volume 61
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10.3390/engproc2024061028
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Proceeding Paper

Studies on In Situ Alloy Formation Using Mild Steel–Inconel 625 Twin Filler Wire Gas Tungsten Arc Weld Deposition †

by
Denny Jacob John
*,
Koteswara Rao Sajja Rama
,
Lakshminarayanan K. Adhimoolam
and
Joshua Amalraj
Department of Mechanical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, Chennai 603110, Tamil Nadu, India
*
Author to whom correspondence should be addressed.
†
Presented at the International Conference on Processing and Performance of Materials, Chennai, India, 2–3 March 2023.
Eng. Proc. 2024, 61(1), 28; https://doi.org/10.3390/engproc2024061028
Published: 1 February 2024
(This article belongs to the Proceedings of The International Conference on Processing and Performance of Materials (ICPPM 2023))
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Abstract

This work explored the possibility of producing a compositional functionally graded material (FGM) between mild steel and Inconel 625. An in-house fabricated, dual filler wire tungsten inert gas welding set up was used to deposit weld beads on a mild steel substrate. Filler wire feed rates were controlled independently and the combinations of filler material volumes, i.e., mild steel–Inconel 625 of (100:0), (75:25), (50:50), (25:75), and (0:100) were fed into the arc simultaneously and individual weld beads deposited. Preliminary studies revealed that defect free completely fused new alloys were formed and intermetallic phases rich in Nb observed. Compositional analysis showed that the content of each element changed from one alloy to the other gradually, smoothly indicating the feasibility of a mild steel–Inconel 625 functionally graded material.
Keywords: twin filler GTA welding; functionally graded materials; mild steel; Inconel 625; additive manufacturing twin filler GTA welding; functionally graded materials; mild steel; Inconel 625; additive manufacturing

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MDPI and ACS Style

John, D.J.; Sajja Rama, K.R.; Adhimoolam, L.K.; Amalraj, J. Studies on In Situ Alloy Formation Using Mild Steel–Inconel 625 Twin Filler Wire Gas Tungsten Arc Weld Deposition. Eng. Proc. 2024, 61, 28. https://doi.org/10.3390/engproc2024061028

AMA Style

John DJ, Sajja Rama KR, Adhimoolam LK, Amalraj J. Studies on In Situ Alloy Formation Using Mild Steel–Inconel 625 Twin Filler Wire Gas Tungsten Arc Weld Deposition. Engineering Proceedings. 2024; 61(1):28. https://doi.org/10.3390/engproc2024061028

Chicago/Turabian Style

John, Denny Jacob, Koteswara Rao Sajja Rama, Lakshminarayanan K. Adhimoolam, and Joshua Amalraj. 2024. "Studies on In Situ Alloy Formation Using Mild Steel–Inconel 625 Twin Filler Wire Gas Tungsten Arc Weld Deposition" Engineering Proceedings 61, no. 1: 28. https://doi.org/10.3390/engproc2024061028

APA Style

John, D. J., Sajja Rama, K. R., Adhimoolam, L. K., & Amalraj, J. (2024). Studies on In Situ Alloy Formation Using Mild Steel–Inconel 625 Twin Filler Wire Gas Tungsten Arc Weld Deposition. Engineering Proceedings, 61(1), 28. https://doi.org/10.3390/engproc2024061028

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