Mechanical and Tribology Behavior of Hard-Faced Inconel 718 on Stainless Steel 321
A. KARPAGARAJ,
R. SARALA,
S. MANIVANNAN
et al.
Abstract:In this work, the Metal Inert Gas (MIG) welding process is used for depositing the Inconel 718 over the base substrate of Stainless steel 321. The optimal welding conditions like 50% overlap, Direct Current (DC) plus mode with a pulse on time (1–5 s), frequency (0.25–1 Hz), peak current (120 A), base currents (60% of peak current), and speed (150–350 mm/min) are used for the successful hard-facing. The quality of the hard-facing is analyzed by conducting microstructural studies, tensile tests, microhardness, w… Show more
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