論文

Introducing a novel fabrication route for metastable β-type Ti-Cr-Sn alloys with ultra-high Sn content using pure elemental mixed powders via laser powder bed fusion, Additive Manufacturing

Naoki Nohira*, Cheng Chen, Yilin Jin, Wan-Ting Chiu, Akira Umise, Takeshi Teramoto, Masaki Tahara*, Ryosuke Ozasa, Takuya Ishimoto, Yuichiro Koizumi, Takayoshi Nakano, Hideki Hosoda:
Introducing a novel fabrication route for metastable β-type Ti-Cr-Sn alloys with ultra-high Sn content using pure elemental mixed powders via laser powder bed fusion,
Additive Manufacturing, (2026), in press.

論文

Formation of a bi-directional α₂/γ lamellar microstructure through crystallographic texture control in a γ-TiAl alloy fabricated by laser powder bed fusion, Journal of Materials Research and Technology

Sung-Hyun Park, Ozkan Gokcekaya, Kazuhisa Sato, Ji-Sung Park, Chae-Won Kim, Myung-Hoon Oh, Seong-Woong Kim*, Takayoshi Nakano*:
Formation of a bi-directional α₂/γ lamellar microstructure through crystallographic texture control in a γ-TiAl alloy fabricated by laser powder bed fusion,
Journal of Materials Research and Technology, 42 (2026) 2625-2637.

DOI: https://doi.org/10.1016/j.jmrt.2026.03.273

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論文

PdAg Nanoparticles Supported on Na₂Ti₃O₇ for CO₂ Hydrogenation into Formic Acid: Expanding Catalyst Design from Powder to Metal 3D-printed Self-Catalytic Reactor, ACS Applied Energy Materials

Naoyuki Hayashida, Hyo-Jin Kim, Kazuki Shun, Hideto Yoshida, Takayoshi Nakano, Kohsuke Mori*:
PdAg Nanoparticles Supported on Na₂Ti₃O₇ for CO₂ Hydrogenation into Formic Acid: Expanding Catalyst Design from Powder to a Metal 3D-Printed Self-Catalytic Reactor,
ACS Applied Energy Materials, (2026)

DOI: https://doi.org/10.1021/acsaem.6c00086

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論文

Integrated Computational and Experimental Study on Rapid Heating and Cooling Conditions in Powder-Bed Fusion of Al-Si Hypoeutectic Alloys

Masayuki Okugawa, Yuya Furushiro, Seori Motoyama, Yuheng Liu, Takayoshi Nakano, Yuichiro Koizumi :
Integrated Computational and Experimental Study on Rapid Heating and Cooling Conditions in Powder-Bed Fusion of Al-Si Hypoeutectic Alloys, Vol. 67, No. 4 (2026) pp. 535 to 542

DOI: http://doi.org/10.2320/matertrans.MT-M2025132

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論文

Data-Selective Machine Learning Framework (DSML) for Defect-Aware, Interpretable Yield-Strength Prediction for LPBF Fabricated AlSi10Mg Alloys

Jeong Ah Lee, Yeon Woo Kim, Takayoshi Nakano, Hyomoon Joo, Jeong Min Park*, Hyoung Seop Kim*:
Data-Selective Machine Learning Framework (DSML) for Defect-Aware, Interpretable Yield-Strength Prediction for LPBF Fabricated AlSi10Mg Alloys, Acta Materialia, 309 (2026) 122101.

DOI: https://doi.org/10.1016/j.actamat.2026.122101

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Single-track investigation of rapid solidification conditions of Hastelloy-X Ni-based superalloy in laser powder-bed fusion and applicability of columnar equiaxed transition criteria

Masayuki Okugawa, Haruki Yoshima, Yuheng Liu, Pan Wang, Yuichiro Koizumi, Takayoshi Nakano:
Single-track investigation of rapid solidification conditions of Hastelloy-X Ni-based superalloy in laser powder-bed fusion and applicability of columnar equiaxed transition criteria, Virtual and Physical Prototyping, 21 (2026) e2639906.

DOI: https://doi.org/10.1080/17452759.2026.2639906

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Microstructural evolution and wear resistance enhancement of electron-beam-fabricated nickel titanium coatings on titanium by heat treatment

Lei Wang, Masayuki Okugawa*, Yuheng Liu, Ken Cho, Yuichiro Koizumi*, Hiroyuki Y. Yasuda and Takayoshi Nakano:
Microstructural Evolution and Wear Resistance Enhancement of Electron-Beam-Fabricated Nickel Titanium Coatings on Titanium by Heat Treatment,
Materials Transactions, 67 (2026) 771-782.

DOI: https://doi.org/10.2320/matertrans.MT-M2025170

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論文

In situ Alloyed Refractory High Entropy Alloy by Laser Powder Bed Fusion

Yong Seong Kim, Ozkan Gokcekaya, Ryosuke Ozasa, Takayoshi Nakano:
In situ Alloyed Refractory High Entropy Alloy by Laser Powder Bed Fusion, Materials Science Forum, 1175 (2026) 105-110.

DOI: 10.4028/p-0OnKo3

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論文

Influence of Hierarchical Structure on Mechanical Properties of Additive Manufactured IN718 Alloys

Kippei Yamashita, Ken Cho, Takuma Saito, Taisuke Sasaki, Katsuhiko Sawaizumi, Masayuki Okugawa, Yuichiro Koizumi, Takayoshi Nakano, Hiroyuki Y. Yasuda:
Influence of Hierarchical Structure on Mechanical Properties of Additive Manufactured IN718 Alloys, Materials Science Forum, 1175 (2026) 129-134.

DOI: 10.4028/p-1DlHhB