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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.
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Authors and Affiliations

Dong Wan Lee
1
Jin Woo Kim
1
Su Gwan Lee
1
Dhin Van Cong
1
Jin Chun Kim
1
ORCID: ORCID
Hwi Jun Kim
2
Joong Gyeong Lim
3
Tae Sik Yoon
3

  1. University of Ulsan, School of Materials Science & Engineering, Ulsan, Republic of Korea
  2. Korea Institute of Industrial Technology, Incheon, Republic of Korea
  3. DaiShinKangup Co., Ltd, Ulsan, Republic of Korea

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