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- Title
MICROSTRUCTURAL CHARACTERISTICS OF MODIFIED ODS Ni-BASED SUPERALLOYS FABRICATED USING LASER-POWDER BED FUSION.
- Authors
DONG WAN LEE; JIN WOO KIM; SU GWAN LEE; DHIN VAN CONG; JIN CHUN KIM; HWI JUN KIM; JOONG GYEONG LIM; TAE SIK YOON
- Abstract
Oxide dispersion-strengthened (ODS) superalloys are usually manufactured by a hot isostatic pressing after mechanical alloying (MA-HIP). However, this process cannot produce complex-shaped parts. Here, we used an additive manufacturing product (powders produced by laser powder bed fusion, L-PBF) to address this issue. Modified ODS Ni-based superalloy powders with a similar composition to the mechanical alloy 6000 (MA6000) were manufactured using a gas atomization process. The obtained powders and L-PBF synthesized samples were analyzed by scanning electron microscopy (SEM), X-ray diffraction (XRD), LPSA, and EBSD analyses.
- Subjects
HOT pressing; MECHANICAL alloying; ISOSTATIC pressing; SCANNING electron microscopy; X-ray diffraction; GASWORKS; NICKEL alloys
- Publication
Archives of Metallurgy & Materials, 2024, Vol 69, Issue 2, p467
- ISSN
1733-3490
- Publication type
Article
- DOI
10.24425/amm.2024.149768