論文

Formation and mechanical properties of oriented lamellar microstructures in a β-solidifying γ-TiAl alloy fabricated by laser powder bed fusion

Sung-Hyun Park, Ozkan Gokcekaya, Kazuhisa Sato, Hyoung Seop Kim, Myung-Hoon Oh, Takayoshi Nakano*:
Formation and mechanical properties of oriented lamellar microstructures in a β-solidifying γ-TiAl alloy fabricated by laser powder bed fusion,
Journal of Alloys and Compounds, (2026), 190423

DOI: https://doi.org/10.1016/j.jallcom.2026.190423

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論文

Systematic study of rapid solidification in laser powder-bed fusion of stainless steels to verify applicability of columnar equiaxed Transition

Kishin Fukushima, Masayuki Okugawa*, Yuichiro Miyata, Rei Miyawaki, Yuheng Liu, Yuichiro Koizumi, Takayoshi Nakano:
Systematic study of rapid solidification in laser powder-bed fusion of stainless steels to verify applicability of columnar equiaxed Transition,
ISIJ International, 66 [8], (2026), 915-924.
DOI: https://doi.org/10.2355/isijinternational.ISIJINT-2026-038

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論文

Excellent yield strength-to-Young’s modulus ratio in crystallographic texture-controlled β-type Ti-42Nb alloy developed by laser powder bed fusion

Keitaro Miyasawa, Ryosuke Ozasa*, Daisuke Egusa, Eiji Abe, Masakazu Tane, Kazuhisa Sato, Pan Wang, Takayoshi Nakano:
Excellent yield strength-to-Young’s modulus ratio in crystallographic texture-controlled β-type Ti-42Nb alloy developed by laser powder bed fusion,
Smart Materials in Manufacturing, (2026), in press.

DOI: https://doi.org/10.1016/j.smmf.2026.100148

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論文

Microstructure control to enhance low temperature and cryogenic wear behavior of Inconel 718 produced by laser powder bed fusion

Yılmaz Küçük, Ozkan Gokcekaya, Ali Günen*, Mustafa Sabri Gök, Abdollah Bahador, Takayoshi Nakano, Gürel Çam
Microstructure control to enhance low temperature and cryogenic wear behavior of Inconel 718 produced by laser powder bed fusion,
Journal of Manufacturing Processes, 173, (2026), 817-832.

DOI: https://doi.org/10.1016/j.jmapro.2026.07.009

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論文

Development of a single-crystalline-like texture in 316L stainless steel using a novel brick scan strategy in laser-powder bed fusion

Ryosuke Ozasa, Ryota Watanabe, Shogo Hirata, Takuya Ishimoto, Takayoshi Nakano*:
Development of a single-crystalline-like texture in 316L stainless steel using a novel brick scan strategy in laser-powder bed fusion,
ISIJ International, 66 [9], (2026), in press.

論文

Hot isostatic pressing temperature-driven microstructure-tribology relationships in laser powder bed fused pure chromium

Ozkan Gokcekaya,Asli Gunay Bulutsuz,Buse Gulec,Ali Gunen,Hakan Yilmazer,Takayoshi Nakano:
Hot isostatic pressing temperature-driven microstructure-tribology relationships in laser powder bed fused pure chromium,
Journal of Materials Research and Technology,(2026),in press.

DOI: https://doi.org/10.1016/j.jmrt.2026.06.191

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Machine learning-assisted grain boundary segmentation reveals nanoscale heat treatment behavior of additively manufactured 316L stainless steel

Shiro Ihara, Shunsuke Sato, Ryosuke Ozasa, Takayoshi Nakano, Mitsuhiro Murayama:
Machine learning-assisted grain boundary segmentation reveals nanoscale heat treatment behavior of additively manufactured 316L stainless steel,
Materials & Design, (2026), in press.

DOI:10.1016/j.matdes.2026.116450

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Design-process-property characterization of Ti-6Al-4V wave springs manufactured via the electron beam powder bed fusion process

Niyonkuru Benjamin, Kashif Azher, Muhammad Rizwan ul Haq, Ozkan Gokcekaya, Takayoshi Nakano, Aamer Nazir:
Design-process-property characterization of Ti-6Al-4V wave springs manufactured via the electron beam powder bed fusion process,
International Journal of Lightweight Materials and Manufacture, (2026)

DOI: https://doi.org/10.1016/j.ijlmm.2026.05.004

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論文

Systematic study of rapid solidification in laser powder-bed fusion of stainless steels to verify applicability of columnar equiaxed Transition

Kishin Fukushima, Masayuki Okugawa, Yuichiro Miyata, Rei Miyawaki, Yuheng Liu, Yuichiro Koizumi, Takayoshi Nakano:
Systematic study of rapid solidification in laser powder-bed fusion of stainless steels to verify applicability of columnar equiaxed Transition,
ISIJ International, (2026), in press.

DOI:https://doi.org/10.2355/isijinternational.ISIJINT-2026-038

論文

Design of a novel scanning strategy for formation of extremely strong textures in hexagonal materials through laser powder bed fusion

Ryosuke Ozasa, Yuta Kizawa, Kakeru Okawa, Koji Hagihara, Kazuhisa Sato, Toshiharu Matsumoto, Toko Tokunaga, Naoko Ikeo, Viritpon Srimaneepong, Pan Wang, Dorte Juul Jensen, Takayoshi Nakano*:
Design of a novel scanning strategy for formation of extremely strong textures in hexagonal materials through laser powder bed fusion,
Materials & Design, (2026), in press.

DOI:10.1016/j.matdes.2026.116307

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