論文 Paper

  1. 2021年 (25)
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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

K. Hagihara, T. Ishimoto, M. Suzuki, R. Ozasa, A. Matsugaki, P. Wang, T. Nakano
Factor which governs the feature of texture developed during additive manufacturing; clarified from the study on hexagonal C40-NbSi2
Scripta Materialia, 203 (2021) pp.114111.

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, (2021), in press.

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