Microstructural Evolution of Post-Processed Hastelloy X Alloy Fabricated by Laser Powder Bed Fusion

Giulio Marchese
Giulio Marchese
Emilio Bassini
Emilio Bassini
Alberta Aversa
Alberta Aversa

Materials (Basel, Switzerland), Volume 12, Issue 3, 2019, Pages 486

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Keywords:
Ni-based superalloysadditive manufacturinghot isostatic pressinglaser powder bed fusionmicrostructure characterization

Abstract:

Hastelloy X (HX) is a Ni-based superalloy which is employed to produce gas turbine and gas-cooled reactor sectors due to its outstanding oxidation resistance and high tensile strength at high temperatures. This alloy can be processed by laser powder bed fusion (LPBF) fabricating complex geometries in a single step. However, post-processin...More

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