Abstract:Energy efficiency is a strong driving force for development of 3D printing processes for geometrically complex high temperature superalloy components. However, defects in additively manufactured (AM) multicomponent materials are currently a significant barrier. Superalloys have diverse chemistries that can result in complex solidification paths, heat affected zones, and liquation cracking [1,2]. It is well understood that selective laser melting (SLM) induces steep thermal gradients during printing that impose… Show more
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