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Modeling grain selection for single-crystal thin-wall inconel 718 tubes by laser powder bed fusion

Abstract Additive manufacturing using Laser Powder Bed Fusion (LPBF) offers significant potential for fabricating high-performance nickel-based superalloy components; however, achieving single-crystal architectures remains limited by competitive grain growth. This study proposes a geometry-assisted...

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Principais autores: Hussein Zein, Waleed H. El-Garaihy, Abdulrahman I. Alateyah, Majed Alinizzi, Eman M. Zayed
Formato: Artigo
Idioma:Inglês
Publicado em: Nature Portfolio 2026-07-01
coleção:Scientific Reports
Assuntos:
Thermo-mechanical modeling
Grain-selection preconditions
LPBF
Inconel 718
Spiral selector design
G/R ratio
Acesso em linha:https://doi.org/10.1038/s41598-026-50343-2
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