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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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Surface residual stress and phase stability in unstable β-type Ti-15Mo-5Zr-3Al alloy manufactured by laser and electron beam powder bed fusion technologies

Aya Takase*, Takuya Ishimoto, Ryoya Suganuma, Takayoshi Nakano*:
Surface residual stress and phase stability in unstable β-type Ti-15Mo-5Zr-3Al alloy manufactured by laser and electron beam powder bed fusion technologies,
Additive Manufacturing, 47, (2021), 102257; 1-14.
https://doi.org/10.1016/j.addma.2021.102257

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Inverse columnar-equiaxed transition in 304 and 316L stainless steels melt by electron-beam for additive manufacturing

Yuichiro Miyata, Masayuki Okugawa*, Yuichiro Koizumi*, Takayoshi Nakano:
Inverse columnar-equiaxed transition in 304 and 316L stainless steels melt by electron-beam for additive manufacturing,
Crystals, 11 (8), (2021), 856: 1-13.
https://doi.org/10.3390/cryst11080856

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Comparison of phase characteristics and residual stresses in Ti-6Al-4V alloy manufactured by laser powder bed fusion (L-PBF) and electron beam powder bed fusion (EB-PBF) techniques.

Aya Takase*, Takuya Ishimoto, Naotaka Morita, Naoko Ikeo, Takayoshi Nakano*
Comparison of phase characteristics and residual stresses in Ti-6Al-4V alloy manufactured by laser powder bed fusion (L-PBF) and electron beam powder bed fusion (EB-PBF) techniques.
Crystals, 11(7), (2021), 796; 1-17.
https://doi.org/10.3390/cryst11070796
*: Corresponding author

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Improving the tensile properties of additively manufactured β-containing TiAl alloys via microstructure control focusing on cellular precipitation reaction

Ken Cho, Hirotaka Odo, Keisuke Okamoto, Hiroyuki Y. Yasuda*, Hirotoyo Nakashima, Masao Takeyama, Takayoshi Nakano:
Improving the tensile properties of additively manufactured β-containing TiAl alloys via microstructure control focusing on cellular precipitation reaction,
Crystals, 11 (7), (2021), 809; 1-13.
https://doi.org/10.3390/cryst11070809 (registering DOI)

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Factor which governs the feature of texture developed during additive manufacturing; clarified from the study on hexagonal C40-NbSi2

Koji Hagihara#, Takuya Ishimoto#, Masahiro Suzuki, Ryosuke Ozasa, Aira Matsugaki, Pan Wang, Takayoshi Nakano∗
Factor which governs the feature of texture developed during additive manufacturing; clarified from the study on hexagonal C40-NbSi2,
Scripta Materialia, 203, (2021), 114111; 1-6.
DOI:https://doi.org/10.1016/j.scriptamat.2021.114111
#: The authors equally contributed to this study.
*: Corresponding author

Effect of precursor deficiency induced Ca/P ratio on antibacterial and osteoblast adhesion properties of Ag-incorporated hydroxyapatite: Reducing Ag toxicity

Ozkan Gokcekaya, Celaletdin Ergun*, Thomas J. Webster, Abdurrahman Bahadir, Kyosuke Ueda, Takayuki Narushima, Takayoshi Nakano:
Effect of precursor deficiency induced Ca/P ratio on antibacterial and osteoblast adhesion properties of Ag-incorporated hydroxyapatite: Reducing Ag toxicity,
Materials, 14, (2021), 3158; 1-18.
https://doi.org/10.3390/ma14123158
*: Corresponding author

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Peculiar microstructural evolution and tensile properties of β-containing γ-TiAl alloys fabricated by electron beam melting

Ken Cho, Hajime Kawabata, Tatsuhiro Hayashi, Hiroyuki Y. Yasuda*, Hirotoyo Nakashima, Masao Takeyama, Takayoshi Nakano:
Peculiar microstructural evolution and tensile properties of β-containing γ-TiAl alloys fabricated by electron beam melting,
Additive Manufacturing, 46, (2021), 102091; 1-12.
https://doi.org/10.1016/j.addma.2021.102091

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Crystallographic texture- and grain boundary density-independent improvement of corrosion resistance in austenitic 316L stainless steel fabricated via laser powder bed fusion

Yusuke Tsutumi*, Takuya Ishimoto, Tastuya Oishi, Tomoyo Manaka, Peng Chen, Maki Ashida, Kotaro Doi, Hideki Katayama, Takao Hanawa, Takayoshi Nakano*:
Crystallographic texture- and grain boundary density-independent improvement of corrosion resistance in austenitic 316L stainless steel fabricated via laser powder bed fusion,
Additive manufacturing, (2021), 102066; 1-9.
https://doi.org/10.1016/j.addma.2021.102066
*: Corresponding author

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Direct numerical analyses of nanoscale thermal transport near MgO edge dislocations

Wataru Sekimoto, Susumu Fujii, Masato Yoshiya*:

“Direct numerical analyses of nanoscale thermal transport near MgO edge dislocations”,

Scripta Materialia, 202 (2021) 113991.

DOI: https://doi.org/10.1016/j.scriptamat.2021.113991

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Stability of crystallographic texture in laser powder bed fusion: Understanding the competition of crystal growth using a single crystalline seed

Takuya Ishimotoǂ, Koji Hagiharaǂ, Kenta Hisamoto, Takayoshi Nakano*:
Stability of crystallographic texture in laser powder bed fusion: Understanding the competition of crystal growth using a single crystalline seed,
Additive Manufacturing, (2021), 102004.
https://doi.org/10.1016/j.addma.2021.102004
ǂ These authors contributed equally to this work.

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Lattice distortion in selective laser melting (SLM)-manufactured unstable β-type Ti-15Mo-5Zr-3Al alloy analyzed by high-precision X-ray diffractometry

Aya Takase*, Takuya Ishimoto, Ryoya Suganuma, Takayoshi Nakano*:
Lattice distortion in selective laser melting (SLM)-manufactured unstable β-type Ti-15Mo-5Zr-3Al alloy analyzed by high-precision X-ray diffractometry,
Scripta Materialia, 201, (2021), 113953; 1-6.
https://doi.org/10.1016/j.scriptamat.2021.113953

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Reduction of spatter generation using atmospheric gas in laser powder bed fusion of Ti-6Al-4V

Hiroki Amano, Yusuke Yamaguchi, Takuya Ishimoto, Takayoshi Nakano*:
Reduction of Spatter Generation Using Atmospheric Gas in Laser Powder Bed Fusion of Ti–6Al–4V,
Materials Transactions, 62, (2021), 1225-1230.
https://doi.org/10.2320/matertrans.MT-M2021059

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Unique crystallographic texture formation in Inconel 718 by laser powder bed fusion and its effect on mechanical anisotropy

Ozkan Gokcekaya#, Takuya Ishimoto#, Shinya Hibino, Jumpei Yasutomi, Takayuki Narushima, Takayoshi Nakano*:
Unique crystallographic texture formation in Inconel 718 by laser powder bed fusion and its effect on mechanical anisotropy,
Acta Materialia, 212, (2021), 116876; 1-12.
DOI:https://doi.org/10.1016/j.actamat.2021.116876
#: The authors equally contribute to this article.

レーザ粉末床溶融法における雰囲気ガスがオーステナイト系ステンレス鋼316Lの造形体組織に与える影響

天野宏紀、山口祐典、石本卓也、中野貴由:
レーザ粉末床溶融法における雰囲気ガスがオーステナイト系ステンレス鋼316Lの造形体組織に与える影響、
スマートプロセス学会誌、(2021), in press.

Ti-6Al-4V積層造形体表面上へのナノアパタイトコーティングによる生体活性能の改善

渡邊稜太、高橋広幸、上向井徹、小粥康充、松垣あいら、中野貴由:
Ti-6Al-4V積層造形体表面上へのナノアパタイトコーティングによる生体活性能の改善、
スマートプロセス学会誌, (2021), in press.

レーザ粉末床溶融結合法による導電性材料としての銅合金の造形

小笹良輔、Gupta Mridul、石本卓也、松垣あいら、久世哲嗣、柳谷彰彦、上田正人、池尾直子、中野貴由:
レーザ粉末床溶融結合法による導電性材料としての銅合金の造形、
スマートプロセス学会誌, (2021), in press.

電子ビーム粉末床溶融法によるTi-6Al-4V合金製三次元多孔質構造体の創製と微細組織制御

池尾直子、中野貴由、向井敏司:
電子ビーム粉末床溶融法によるTi-6Al-4V合金製三次元多孔質構造体の創製と微細組織制御、
スマートプロセス学会誌、(2021), in press

レーザ粉末床溶融結合法により作製したTi-15Mo-5Zr-3Al合金試料における残留応力とスキャンストラテジーの関係

高瀬文、石本卓也、中野貴由:
レーザ粉末床溶融結合法により作製したTi-15Mo-5Zr-3Al合金試料における残留応力とスキャンストラテジーの関係、
スマートプロセス学会誌、(2021), in press.

電子ビーム積層造形法によるβ相含有γ-TiAl合金の健全造形と組織制御

趙 研*、川端はじめ、尾堂裕隆、林竜弘、安田弘行*、竹山雅夫、中野貴由:
電子ビーム積層造形法によるβ相含有γ-TiAl合金の健全造形と組織制御、
スマートプロセス学会誌、(2021)、in press.

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