11 records found. Displaying records 1 to 10.
Creep deformation mechanism of LPBFed near α, and near β-Ti alloys
- Conference presentation
- Creator
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;Yoko Yamabe-Mitarai (author) (Search by this author)Department of Advanced Material Science, Graduate School of Frontier Sciences, The University of TokyoYoshiaki 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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;Tetsuya Matsunaga (author) (Search by this author)JAXA;Ryosuke Ozasa( (author) (Search by this author)Graduate School of Engineering, Osaka University;Takuya Ishimoto (author) (Search by this author)University of Toyama;Tsutomu Ito (author) (Search by this author)Toyama Prefectural UniversityTakayoshi Nakano (author) (Search by this author)Graduate School of Engineering, Osaka University - Keyword
- Ti-6Al-4Nb-4Zr, Ti-6Al-2Sn-4Zr-6Mo, Laser powder bed fusion, Alpha formation, Creep strength, Volume energy density, Crystallographic orientation
- Date published
- Updated at
- 2026-05-13 11:42:27 +0900
Unique Formation Characteristics of α’-Martensite in Ti Alloys Processed by Laser Powder Bed Fusion
- Conference poster
- Creator
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;Yebeen Ji (author) (Search by this author)Graduate School of Frontier Sciences, The University of Tokyo;Prince Valentine Cobbinah (author) (Search by this author)Graduate School of Frontier Sciences, The University of TokyoYoshiaki 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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;Ryosuke Ozasa (author) (Search by this author)Graduate School of Engineering, Osaka University;Takuya Ishimoto (author) (Search by this author)University of Toyama;Takayoshi Nakano (author) (Search by this author)Graduate School of Engineering, Osaka UniversityYoko Yamabe-Mitarai (author) (Search by this author)Graduate School of Frontier Sciences, The University of Tokyo
- Keyword
- Additive Manufacturing, Powder Bed Fusion,, Ti-6Al-4V, Ti-6Al-2Sn-4Zr-6Mo, volumetric energy density, fast cooling rate, melt pool shape
- Date published
- Updated at
- 2025-10-21 16:06:51 +0900
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
Microstructure evolution and creep performance of LPBFed near α, and near β-Ti alloys
- Conference presentation
- Creator
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;Yoko Yamabe-Mitarai (author) (Search by this author)Department of Advanced Material Science, Graduate School of Frontier Sciences, The University of Tokyo;Prince Valentine Cobbinah (author) (Search by this author)Department of Advanced Material Science, Graduate School of Frontier Sciences, The University of TokyoYoshiaki 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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;T. Matsunaga (author) (Search by this author)JAXA;Ryosuke Ozasa (author) (Search by this author)Graduate School of Engineering, Osaka University;Takuya Ishimoto (author) (Search by this author)University of Toyama;Tsutomu Ito (author) (Search by this author)Toyama Prefectural UniversityTakayoshi Nakano (author) (Search by this author)Graduate School of Engineering, Osaka University
- Keyword
- Ti-6Al-4Nb-4Zr, Ti-6Al-2Sn-4Zr-6Mo, Laser powder bed fusion, Alpha formation, creep
- Date published
- Updated at
- 2025-12-19 16:31:19 +0900
On the Enhanced Creep Performance in Ti6246 Achieved Through Laser Powder Bed Fusion (LPBF) Processing
- Journal article
- Creator
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;Prince Valentine Cobbinah (author) (Search by this author);Sae Matsunaga (author) (Search by this author)Yoshiaki Toda (author) (Search by this author)
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;Ryosuke Ozasa (author) (Search by this author);Takuya Ishimoto (author) (Search by this author);Takayoshi Nakano (author) (Search by this author);Tsutomu Ito (author) (Search by this author)Yoko Yamabe-Mitarai (author) (Search by this author)
- Keyword
- Additive manufacturing, Crystallographic analysis, Heat-resistant titanium alloys, Microstructure, Precipitation, Volumetric energy density
- Date published
- 2025-04-10
- Updated at
- 2025-06-04 17:16:18 +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)
;
Yoshiaki Toda (author) (Search by this author)
;
Ryosuke Ozasa (author) (Search by this author)
https://orcid.org/0000-0002-2773-072X
(unauthenticated)
;
Masayuki Okugawa (author) (Search by this author)
https://orcid.org/0000-0002-6844-6856
(unauthenticated)
;
Takuya Ishimoto (author) (Search by this author)
https://orcid.org/0000-0003-0081-0591
(unauthenticated)
;
Yuheng Liu (author) (Search by this author)
https://orcid.org/0000-0003-1790-1844
(unauthenticated)
;
Yuichiro Koizumi (author) (Search by this author)
https://orcid.org/0000-0001-7061-7135
(unauthenticated)
;
Pan Wang (author) (Search by this author)
https://orcid.org/0000-0002-2079-9580
(unauthenticated)
;
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
;
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