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AM Techniques & Qualification Processes for Light Water Reactors—Laser Powder Bed Fusion AM

Additive Manufacturing, specifically Laser Powder Bed Fusion, is being explored by academic, industrial, and regulatory entities for technical feasibility, cost effectiveness, and safety of fabricating components for nuclear power plant applications. Laser Powder Bed Fusion is capable of fabricating highly complex geometries, and in some applications can reduce assemblies of 10s of parts to a single as- fabricated component. In conventional manufacturing the material properties are well characterized, and the difficulty lies in machining and forming the desired geometry. In laser powder bed fusion, the difficulty lies in characterizing material properties while geometric freedom is nearly unlimited.

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