Effect of Delta Straight and Delta Pulsed arc Modes on Weld Bead Geometry, Microstructure and Tensile Properties of InterPulsed GTCA-Welded Inconel 718 Alloy Joints for Aerospace and Nuclear Applications

In this investigation, InterPulsed Gas Tungsten Constricted Arc Welding (IP-GTCAW) process was employed to minimize the Nb segregation and Laves phase precipitation in Inconel 718 (IN-718) alloy welds. Thin sheets of IN-718 alloy (2 mm thick) were joined in 980 °C solution annealed condition by two...

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Veröffentlicht in:	Transactions of the Indian Institute of Metals 2022-02, Vol.75 (2), p.503-512
Hauptverfasser:	Sonar, Tushar, Balasubramanian, V., Venkateswaran, T., Sivakumar, D., Konovalov, Sergey
Format:	Artikel
Sprache:	eng
Schlagworte:	Arc welding Chemistry and Materials Science Constrictions Corrosion and Coatings Grain refinement Heat treating Laves phase Materials Science Metallic Materials Microstructure Nickel base alloys Original Article Pulsation Superalloys Tensile properties Thermal oscillations Tribology Welded joints Welding current
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