Mechanical Property Heterogeneity in Additively Manufactured Nickel Superalloy

Forsey, Alex; Das, Yadunandan; Simm, Thomas H.; Clark, Dan; Boswell, John; Gungor, Salih and Moat, Richard (2018). Mechanical Property Heterogeneity in Additively Manufactured Nickel Superalloy. Materials Science and Engineering A, 712 pp. 681–684.

DOI: https://doi.org/10.1016/j.msea.2017.12.025

Abstract

Metallic additive manufacturing (AM) techniques do not produce a homogenous structure. Digital image correlation is used to quantify significant variations in mechanical properties in an AM nickel superalloy. Non-uniform properties at multiple length-scales are demonstrated, which could explain the poor mechanical properties common with AM alloys.

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