Heat Source Model Development for Thermal Analysis of Laser Powder Bed Fusion Using Bayesian Optimization and Machine Learning
- Journal article
- Creator
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Masahiro Kusano (author) (Search by this author)National Institute for Materials Science
;
Makoto Watanabe (author) (Search by this author)National Institute for Materials Science
- Keyword
- Laser powder bed fusion, Thermal analysis, Heat source model, Laser scanning conditions, Bayesian optimization, Multiple linear regression
- Date published
- 2024-01-19
- Updated at
- 2024-04-09 12:30:20 +0900
Fabricating a single-crystal-like β grain structure of a near-β Ti alloy with unique variant selection by laser powder bed fusion
- Journal article
- Creator
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Tomonori Kitashima (author) (Search by this author)National Institute for Materials Science
;
Takanobu Hiroto (author) (Search by this author)National Institute for Materials Science
;
Dennis Edgard Jodi (author) (Search by this author)National Institute for Materials Science
;
Makoto Watanabe (author) (Search by this author)National Institute for Materials Science
- Keyword
- Laser powder bed fusion, Titanium, Texture, Precipitation, Variant selection
- Date published
- 2024-05-23
- Updated at
- 2024-09-30 16:30:25 +0900
Segregation-induced microstructural refinement in a FeMnAlC-TiB metal matrix composite by laser powder bed fusion
- Journal article
- Creator
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;André L. Vidilli (author) (Search by this author);Leonardo F. Gomes (author) (Search by this author);Adriel P. Oliveira (author) (Search by this author)Mainak Saha (author) (Search by this author)National Institute for Materials Science
;
Taisuke Sasaki (author) (Search by this author)National Institute for Materials Science
;
;Lucas B. Otani (author) (Search by this author);Ilya Okulov (author) (Search by this author)Claudemiro Bolfarini (author) (Search by this author)
- Keyword
- Laser powder bed fusion, Metal matrix composite, Solidification, Segregation
- Date published
- 2025-05-06
- Updated at
- 2026-04-30 12:01:11 +0900
Influence of recoil pressure, mushy zone flow resistance and reflectivity on melt pool shape in laser powder bed fusion simulation
- Journal article
- Creator
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Jun Katagiri (author) (Search by this author)Research Center for Structural Materials, National Institute for Materials Science
;
Masahiro Kusano, (author) (Search by this author)Research Center for Structural Materials, National Institute for Materials Science
;
Sukeharu Nomoto (author) (Search by this author)Research Center for Structural Materials, National Institute for Materials Science
;
Makoto Watanabe (author) (Search by this author)Research Center for Structural Materials, National Institute for Materials Science
- Keyword
- Laser powder bed fusion, Multi-physics CFD simulation, Recoil pressure, Mushy zone flow resistance, Fresnel laser reflection model, Melt pool shape
- Date published
- 2023-09-11
- Updated at
- 2024-01-05 22:12:21 +0900
Effect of mushy zone constant in Voller-Prakash model on keyholing behaviour in laser powder bed fusion simulation
- Journal article
- Creator
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Jun Katagiri (author) (Search by this author)National Institute for Materials Science
;
Sukeharu Nomoto (author) (Search by this author)National Institute for Materials Science
;
Masahiro Kusano (author) (Search by this author)National Institute for Materials Science
;
Makoto Watanabe (author) (Search by this author)National Institute for Materials Science
- Keyword
- Laser powder bed fusion, Mushy zone flow resistance, Voller-Prakash model, Multiphysics CFD simulation, Keyhole pore formation
- Date published
- 2024-12-02
- Updated at
- 2024-12-10 16:56:53 +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
;
;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
Precipitation behavior and anisotropic creep deformation behavior of laser powder bed fusion processed Hastelloy X at 1173 K
- Journal article
- Creator
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Tomotaka Hatakeyama (author) (Search by this author)
;
Kota Sawada (author) (Search by this author)
;
Masahiro Kusano (author) (Search by this author)
;
Makoto Watanabe (author) (Search by this author)
- Keyword
- Laser powder bed fusion, Hastelloy X, Creep, Precipitation, Grain boundary
- Date published
- 2026-04-22
- Updated at
- 2026-04-30 12:01:11 +0900
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
;
;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
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
;
;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
Data-driven optimization of laser scanning conditions in laser powder bed fusion for defect-free IN738LC components
- Journal article
- Creator
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Masahiro Kusano (author) (Search by this author)National Institute for Materials Science
;
Toshio Osada (author) (Search by this author)National Institute for Materials Science
;
Makoto Watanabe (author) (Search by this author)National Institute for Materials Science
- Keyword
- Laser powder bed fusion, Inconel 738 LC, Solidification cracking, Electron backscatter diffraction, Causal analysis
- Date published
- 2025-07-18
- Updated at
- 2025-07-24 12:30:19 +0900