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Excellent strength–ductility balance of Sc-Zr-modified Al–Mg alloy by tuning bimodal microstructure via hatch spacing in laser powder bed fusion

Yusufu Ekubaru, Ozkan Gokcekaya, Takuya Ishimoto, Kazuhisa Sato, Koki Manabe, Pan Wang, Takayoshi Nakano*: Excellent strength–ductility balance of Sc-Zr-modified Al–Mg alloy by
tuning bimodal microstructure via hatch spacing in laser powder bed fusion, Materials & Design, 221, (2022), 110976; 1-13.
DOI:https://doi.org/10.1016/j.matdes.2022.110976

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Equiaxed grain formation by intrinsic heterogeneous nucleation via rapid heating and cooling in additive manufacturing of aluminum-silicon hypoeutectic alloy

Masayuki Okugawa, Yuta Ohigashi, Yuya Furishiro, Yuichiro Koizumi*, Takayoshi Nakano:
Equiaxed grain formation by intrinsic heterogeneous nucleation via rapid heating and cooling in additive manufacturing of aluminum-silicon hypoeutectic alloy,
Journal of Alloys and Compounds,
919, (2022), 165812: 1-6.
https://doi.org/10.1016/j.jallcom.2022.165812

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Ti-6Al-4V合金の粉末床溶融結合法におけるレーキ過程の個別要素法と実験による検証

奥川将行, 磯野祐輔, 小泉雄一郎*, 中野貴由:
Ti-6Al-4V合金の粉末床溶融結合法におけるレーキ過程の個別要素法と実験による検証
軽金属, 72(6), (2022), 291-297.
DOI: 10.2464/jilm.72.291

電子ビーム粉末床溶融結合法で作製したγ-TiAl合金積層造形体の特異バンド状組織に及ぼす投入エネルギー密度の影響 軽金属

趙研, 森田尚秀, 松岡弘剛, 安田弘行*, 當代光陽, 上田実, 竹山雅夫, 中野貴由:
電子ビーム粉末床溶融結合法で作製したγ-TiAl合金積層造形体の特異バンド状組織に及ぼす投入エネルギー密度の影響
軽金属, 72(6), (2022), 298-305.
DOI: 10.2464/jilm.72.298

Effects of Recrystallization on Tensile Anisotropic Properties for IN738LC Fabricated by Laser Powder Bed Fusion

Shinya Hibino*, Kazushige Fujimitsu, Makoto Azuma, Takuya Ishimoto, Takayoshi Nakano*:
Effects of Recrystallization on Tensile Anisotropic Properties for IN738LC Fabricated by Laser Powder Bed Fusion,
Crystals, 12(6), (2022), 842: 1-14.
https://doi.org/10.3390/cryst12060842

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Outstanding in vivo mechanical integrity of additively manufactured spinal cages with a novel “honeycomb tree structure” design via guiding bone matrix orientation

Takuya Ishimoto, Yoshiya Kobayashi, Masahiko Takahata, Manabu Ito, Aira Matsugaki, Hiroyuki Takahashi, Ryota Watanabe, Takayuki Inoue, Tadaaki Matsuzaka, Ryosuke Ozasa, Takao Hanawa, Katsuhiko Yokota, Yoshio Nakashima, Takayoshi Nakano*:
Outstanding in vivo mechanical integrity of additively manufactured spinal cages with a novel “honeycomb tree structure” design via guiding bone matrix orientation,
The Spine Journal, (2022),
https://doi.org/10.1016/j.spinee.2022.05.006

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Manufacturing single crystals of pure nickel via selective laser melting with a flat-top laser beam

Dennis Edgard Jodi, Tomonori Kitashima*, Yuichiro Koizumi, Takayoshi Nakano, Makoto Watanabe:
Manufacturing single crystals of pure nickel via selective laser melting with a flat-top laser beam,
Additive Manufacturing Letters, 3, (2022), 100066: 1-7.
https://doi.org/10.1016/j.addlet.2022.100066

Interface characteristics and mechanical behavior of additively manufactured multi-material of stainless steel and Inconel

Man Jae Sagong, Eun Seong Kim, Jeong Min Park, Gangaraju Manogna Karthika, ByeongJoo Lee, Jung-Wook Cho, Chong Soo Lee, Takayoshi Nakano, Hyoung Seop Kim*:
Interface characteristics and mechanical behavior of additively manufactured multi-material of stainless steel and Inconel,
Materials Science and Engineering A, (2022), 143318.
https://doi.org/10.1016/j.msea.2022.143318

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Control of Anisotropic Crystallographic Texture in Powder Bed Fusion Additive Manufacturing of Metals and Ceramics

Koji Hagihara, Takayoshi Nakano*:
Control of Anisotropic Crystallographic Texture in Powder Bed Fusion Additive Manufacturing of Metals and Ceramics—A Review,
Journal of Metals (JOM), 74, (2022), 1760–1773.
DOIhttps://doi.org/10.1007/s11837-021-04966-7

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Structural characterization of ion nitrided 316L austenitic stainless steel: Influence of treatment temperature and time

Ozkan Gokcekaya*, Celaletdin Ergun*, Turgut Gulmez, Takayoshi Nakano and Safak Yilmaz,
Structural characterization of ion nitrided 316L austenitic stainless steel: Influence of treatment temperature and time
Metals, 12(2), (2022), 306; 1-11.
DOI https://doi.org/10.3390/met12020306

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電子ビーム粉末床溶融結合法で作製したγ-TiAl合金の特異バンド状組織に及ぼす投入エネルギー密度の影響

趙 研,森田尚秀,松岡弘剛,安田弘行,當代光陽,上田実,竹山雅夫,中野貴由:
電子ビーム粉末床溶融結合法で作製したγ-TiAl合金の特異バンド状組織に及ぼす投入エネルギー密度の影響,
軽金属,72 [5 or 6],(2022), in press.

粉末床溶融結合法用β型Ti-15Mo-5Zr-3Al合金粉末の評価と流動特性

小笹良輔、Park Sung-Hyun、Gokcekaya Ozkan、Gupta Mridul、山岡祐介、松坂匡晃、森田尚昂、松垣あいら、石本卓也、中野貴由
粉末床溶融結合法用β型Ti-15Mo-5Zr-3Al合金粉末の評価と流動特性
スマートプロセス学会誌, in press.

Anisotropic control of crystallographic texture in metals and ceramics powder-bed-fusion-type additive manufacturing―A review, MICRO-ARCHITECTURED MATERIALS BY ADDITIVE MANUFACTURING

Koji Hagihara, Takayoshi Nakano*:
Anisotropic control of crystallographic texture in metals and ceramics powder-bed-fusion-type additive manufacturing―A review, MICRO-ARCHITECTURED MATERIALS BY ADDITIVE MANUFACTURING
Journal of Metals (JOM), (2021), on line.
https://doi.org/10.1007/s11837-021-04966-7

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Effect of a Helium Gas Atmosphere on the Mechanical Properties of Ti-6Al-4V Alloy built with Laser Powder Bed Fusion: A Comparative Study with Argon Gas

Hiroki Amano, Takuya Ishimoto, Ryoya Suganuma , Keisuke Aiba, Shi-Hai Sun, Ryosuke Ozasa, Takayoshi Nakano*:
Effect of a Helium Gas Atmosphere on the Mechanical Properties of Ti-6Al-4V Alloy built with Laser Powder Bed Fusion: A Comparative Study with Argon Gas,
Additive Manufacturing, 48, (2021), 102444; 1-9.
DOI:https://doi.org/10.1016/j.addma.2021.102444

Influence of powder characteristics on densification via crystallographic texture formation: Pure tungsten prepared by laser powder bed fusion

Ozkan Gokcekaya, Takuya Ishimoto, Tsubasa Todo, Pan Wang, Nakano Takayoshi*:
Influence of powder characteristics on densification via crystallographic texture formation: Pure tungsten prepared by laser powder bed fusion,
Additive Manufacturing Letters, 1, (2021), 100016; 1-8.
https://doi.org/10.1016/j.addlet.2021.100016

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Anisotropic control of crystallographic texture in metals and ceramics powder-bed-fusion-type additive manufacturing

Koji Hagihara, Takayoshi Nakano*:
Anisotropic control of crystallographic texture in metals and ceramics powder-bed-fusion-type additive manufacturing―A review, MICRO-ARCHITECTURED MATERIALS BY ADDITIVE MANUFACTURING
Journal of Metals (JOM), 74, (2021), 1760-1773.
DOI:https://doi.org/10.1007/s11837-021-04966-7

Comparison of microstructure, crystallographic texture, and mechanical properties in Ti–15Mo–5Zr–3Al alloys fabricated via electron and laser beam powder bed fusion technologies

Shi-Hai Sun, Koji Hagihara, Takuya Ishimoto, Ryoya Suganuma, Yun-Fei Xue, Takayoshi Nakano:
Comparison of microstructure, crystallographic texture, and mechanical properties in Ti–15Mo–5Zr–3Al alloys fabricated via electron and laser beam powder bed fusion technologies
Additive Manufacturing, 47, (2021), 102329; 1-17.

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Control of Crystallographic Texture and Mechanical Properties of Hastelloy-X via Laser Powder Bed Fusion

Shinya Hibino*, Tsubasa Todo, Takuya Ishimoto, Ozkan Gokcekaya, Yuichiro Koizumi, Kenichiroh Igashira, Takayoshi Nakano*:
Control of Crystallographic Texture and Mechanical Properties of Hastelloy-X via Laser Powder Bed Fusion,
Crystals, 11(9), (2021), 1064.
DOI:https://doi.org/10.3390/cryst11091064
*: Corresponding author

Fabrication of Ti-Alloy Powder/Solid Composite with Uniaxial Anisotropy by Introducing Unidirectional Honeycomb Structure via Electron Beam Powder Bed Fusion

Naoko Ikeo*, Tatsuya Matsumi, Takuya Ishimoto, Ryosuke Ozasa, Aira Matsugaki, Tadaaki Matsuzaka, Ozkan Gokcekaya, Yorinobu Takigawa, Takayoshi Nakano*:
Fabrication of Ti-Alloy Powder/Solid Composite with Uniaxial Anisotropy by Introducing Unidirectional Honeycomb Structure via Electron Beam Powder Bed Fusion,
Crystals, 11 [9], (2021), 1074;1-11.
https://doi.org/10.3390/cryst11091074

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Single crystalline-like crystallographic texture formation of pure tungsten through laser powder bed fusion

Tsubasa Todo, Takuya Ishimoto, Ozkan Gokcekaya, Jongyeong Oh, Takayoshi Nakano*:
Single crystalline-like crystallographic texture formation of pure tungsten through laser powder bed fusion,
Scripta Materialia, 206, (2022), 114252; 1-6.
https://doi.org/10.1016/j.scriptamat.2021.114252

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