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Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T18A003, September 21–25, 2020
Paper No: GT2020-14344
... with IN-738 filler metal. Surprisingly the newer weld filler metal Haynes 282 and older/traditional Haynes 230, showed evidence of hot-cracking and/or micro-fissuring (strain age cracking. A large number and length of cracks was observed when using Waspaloy as the weld filler metal. Tensile and stress...