7 records found.
Anomalous grain growth as a pathway toward fully single-crystallization in IN738LC Ni-based superalloy fabricated by laser powder bed fusion
- Journal article
- Creator
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;Masayuki Okugawa (author) (Search by this author);Kazufumi Nose (author) (Search by this author);Sei Hirooka (author) (Search by this author)Sukeharu Nomoto (author) (Search by this author)National Institute for Materials Science
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;Yuheng Liu (author) (Search by this author)Makoto Watanabe (author) (Search by this author)National Institute for Materials Science
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;Yuichiro Koizumi (author) (Search by this author)Takayoshi Nakano (author) (Search by this author) - Keyword
- Additive manufacturing, Laser powder bed fusion, Ni-based superalloy, Single-crystal fabrication, μ-Helix scan
- Date published
- 2026-05-14
- Updated at
- 2026-07-14 10:31:33 +0900
Phase-separation induced dislocation-network cellular structures in Ti-Zr-Nb-Mo-Ta high-entropy alloy processed by laser powder bed fusion
- Journal article
- Creator
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;Han Chen (author) (Search by this author);Daisuke Egusa (author) (Search by this author);Zehao Li (author) (Search by this author)National Institute for Materials ScienceTaisuke Sasaki (author) (Search by this author)National Institute for Materials Science
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;Ryosuke Ozasa (author) (Search by this author);Takuya Ishimoto (author) (Search by this author);Masayuki Okugawa (author) (Search by this author);Yuichiro Koizumi (author) (Search by this author);Takayoshi Nakano (author) (Search by this author)Eiji Abe (author) (Search by this author) - Keyword
- High-entropy alloy, Laser powder bed fusion, Cellular structure, Phase separation, Dislocation-network, Electron microscopy, Machine learning
- Date published
- 2025-03-12
- Updated at
- 2025-04-08 13:16:16 +0900
Solute segregation in a rapidly solidified Hastelloy-X Ni-based superalloy during laser powder bed fusion investigated by phase-field and computational thermal-fluid dynamics simulations
- Journal article
- Creator
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Masayuki Okugawa (author) (Search by this author)
https://orcid.org/0000-0002-6844-6856
(unauthenticated)
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;Kenji Saito (author) (Search by this author);Haruki Yoshima (author) (Search by this author);Katsuhiko Sawaizumi (author) (Search by this author);Sukeharu Nomoto (author) (Search by this author)Makoto Watanabe (author) (Search by this author)
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Takayoshi Nakano (author) (Search by this author)
https://orcid.org/0000-0001-8052-1698
(unauthenticated)
;
Yuichiro Koizumi (author) (Search by this author)
https://orcid.org/0000-0001-7061-7135
(unauthenticated)
- Keyword
- Laser powder-bed fusion, Hastelloy-X nickel-based superalloy, Solute element segregation, Computational thermal-fluid dynamics simulation, Phase-field method
- Date published
- 2024-03-11
- Updated at
- 2024-04-02 16:30:23 +0900
Creation of Materials by Super-Thermal Field in Additive Manufacturing: From Digital-Twin Science to the Future of Non-Equilibrium Materials Design
- Conference presentation
- Creator
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;Yuichiro Koizumi (author) (Search by this author)Graduate School of Engineering, Osaka University;Masayuki Okugawa (author) (Search by this author)Graduate School of Engineering, Osaka University;Yoshitaka Adachi (author) (Search by this author)Graduate School of Engineering, Nagoya University;Kohei Morishita (author) (Search by this author)Kyushu University;Kazuhisa Sato (author) (Search by this author)Kyushu UniversityYoshiaki toda (author) (Search by this author)Center for Basic Research on Materials/Data-driven Materials Research Field/Materials Modeling Group, National Institute for Materials Science
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;Takuya Ishimoto (author) (Search by this author)University of Toyama;Teiichi Kimura (author) (Search by this author)Japan Fine Ceramics CenterTakayoshi Nakano (author) (Search by this author)Graduate School of Engineering, Osaka University
- Keyword
- Powder bed fusion, Modeling, Super thermal field, Additive manufacturing, Digital twin, Rapid solidification, Phase transformation
- Date published
- Updated at
- 2026-05-13 11:33:08 +0900
Peculiar microstructural evolution and hardness variation depending on laser powder bed fusion-manufacturing condition in Ti–6Al–2Sn–4Zr–6Mo
- Journal article
- Creator
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Prince Valentine Cobbinah (author) (Search by this author)
https://orcid.org/0000-0002-4846-3958
(unauthenticated)
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Sae Matsunaga (author) (Search by this author)
https://orcid.org/0000-0001-7285-5372
(unauthenticated)
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Yoshiaki Toda (author) (Search by this author)
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Ryosuke Ozasa (author) (Search by this author)
https://orcid.org/0000-0002-2773-072X
(unauthenticated)
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Masayuki Okugawa (author) (Search by this author)
https://orcid.org/0000-0002-6844-6856
(unauthenticated)
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Takuya Ishimoto (author) (Search by this author)
https://orcid.org/0000-0003-0081-0591
(unauthenticated)
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Yuheng Liu (author) (Search by this author)
https://orcid.org/0000-0003-1790-1844
(unauthenticated)
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Yuichiro Koizumi (author) (Search by this author)
https://orcid.org/0000-0001-7061-7135
(unauthenticated)
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Pan Wang (author) (Search by this author)
https://orcid.org/0000-0002-2079-9580
(unauthenticated)
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Takayoshi Nakano (author) (Search by this author)
https://orcid.org/0000-0001-8052-1698
(unauthenticated)
;
Yoko Yamabe-Mitarai (author) (Search by this author)
https://orcid.org/0000-0002-9674-5503
(unauthenticated)
- Keyword
- LPBF, Ti6246, Polycrystaline microstructure, Metastable phase, Rapid cooling, Thermal history
- Date published
- 2024-03-27
- Updated at
- 2024-05-01 08:30:09 +0900
Effect of nanoscale cellular structure on the mechanical properties of Inconel 718 with unique hierarchical structure fabricated by laser powder bed fusion
- Journal article
- Creator
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;Ken Cho (author) (Search by this author);Kippei Yamashita (author) (Search by this author);Shinnosuke Kakutani (author) (Search by this author)Takuma Saito (author) (Search by this author)
https://orcid.org/0000-0001-9537-5072
(unauthenticated)
National Institute for Materials Science
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Taisuke Sasaki (author) (Search by this author)National Institute for Materials Science
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;Katsuhiko Sawaizumi (author) (Search by this author);Masayuki Okugawa (author) (Search by this author);Yuichiro Koizumi (author) (Search by this author);Tsuyoshi Mayama (author) (Search by this author);Taichi Kikukawa (author) (Search by this author);Ozkan Gokcekaya (author) (Search by this author);Takuya Ishimoto (author) (Search by this author);Hajime Kimizuka (author) (Search by this author);Wu Gong (author) (Search by this author);Takuro Kawasaki (author) (Search by this author);Stefanus Harjo (author) (Search by this author);Takayoshi Nakano (author) (Search by this author)Hiroyuki Y. Yasuda (author) (Search by this author)
- Keyword
- Additive manufacturing, Nickel superalloys, Crystallographic texture, Cellular structure, Strengthening mechanism, Neutron diffraction
- Date published
- 2025-11-02
- Updated at
- 2026-01-05 14:55:20 +0900
Superimpositional design of crystallographic textures and macroscopic shapes via metal additive manufacturing—Game-change in component design
- Journal article
- Creator
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;Takuya Ishimoto (author) (Search by this author);Naotaka Morita (author) (Search by this author);Ryosuke Ozasa (author) (Search by this author);Aira Matsugaki (author) (Search by this author);Ozkan Gokcekaya (author) (Search by this author);Shota Higashino (author) (Search by this author);Masakazu Tane (author) (Search by this author);Tsuyoshi Mayama (author) (Search by this author);Ken Cho (author) (Search by this author);Hiroyuki Y. Yasuda (author) (Search by this author);Masayuki Okugawa (author) (Search by this author);Yuichiro Koizumi (author) (Search by this author);Masato Yoshiya (author) (Search by this author);Daisuke Egusa (author) (Search by this author)Taisuke Sasaki (author) (Search by this author)National Institute for Materials Science
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;Eiji Abe (author) (Search by this author);Hajime Kimizuka (author) (Search by this author);Naoko Ikeo (author) (Search by this author)Takayoshi Nakano (author) (Search by this author)
- Keyword
- Laser powder bed fusion, Shape anisotropy, Crystallographic orientation, Superimposition, 3D puzzle, Young's modulus
- Date published
- 2025-01-05
- Updated at
- 2025-04-08 13:16:10 +0900