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Norio Nunomura

University of Toyama - Graduate School of Science and Engineering

SCHOLARLY PAPERS

9

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663

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0

Scholarly Papers (9)

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1.

Existence of Hexagonal Tabular Β-Phase in Al–Mg–Si Alloys Containing Noble Metal Elements

Downloads 116 (621,896)

Existence of Hexagonal Tabular Β-Phase in Al–Mg–Si Alloys Containing Noble Metal Elements

Number of pages: 15 Posted: 24 Feb 2023
Taiki Tsuchiya, Kanokwan Uttarasak, Shouwon Lee, Abrar Ahmed, Sarka Mikmekova, Katsuhiko Nishimura, Norio Nunomura, Kazuyuki Shimizu, Kyosuke Hirayama, Hiroyuki Toda, Masatake Yamaguchi, Tomohito Tsuru, Junya Nakamura, Susumu Ikeno and Kenji Matsuda
University of Toyama, University of Toyama, University of Toyama - Graduate School of Science and Engineering, University of Toyama, affiliation not provided to SSRN, University of Toyama - Graduate School of Science and Engineering, University of Toyama - Graduate School of Science and Engineering, Iwate University - Faculty of Science and Engineering, Kyushu University - Department of Mechanical Engineering, Kyushu University - Department of Mechanical Engineering, Japan Atomic Energy Agency - Center for Computational Science and e-Systems, Japan Atomic Energy Agency - Nuclear Engineering Research Center, Kobelco Research Institute, Inc., University of Toyama and University of Toyama - Graduate School of Science and Engineering
Downloads 62 (976,517)

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Al-Mg-Si alloy, Over-aging, Mg2Si, Microstructure, Novel metal elements, Transmission electron microscopy

Existence of Hexagonal Tabular Β-Phase in Al–Mg–Si Alloys Containing Noble Metal Elements

Number of pages: 15 Posted: 23 Dec 2022
Taiki Tsuchiya, Kanokwan Uttarasak, Shouwon Lee, Abrar Ahmed, Sarka Mikmekova, Katsuhiko Nishimura, Norio Nunomura, Kazuyuki Shimizu, Kyosuke Hirayama, Hiroyuki Toda, Masatake Yamaguchi, Tomohito Tsuru, Junya Nakamura, Susumu Ikeno and Kenji Matsuda
University of Toyama, University of Toyama, University of Toyama - Graduate School of Science and Engineering, University of Toyama, affiliation not provided to SSRN, University of Toyama - Graduate School of Science and Engineering, University of Toyama - Graduate School of Science and Engineering, Iwate University - Faculty of Science and Engineering, Kyushu University - Department of Mechanical Engineering, Kyushu University - Department of Mechanical Engineering, Japan Atomic Energy Agency - Center for Computational Science and e-Systems, Japan Atomic Energy Agency - Nuclear Engineering Research Center, Kobelco Research Institute, Inc., University of Toyama and University of Toyama - Graduate School of Science and Engineering
Downloads 54 (1,038,620)

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Al-Mg-Si alloy, Over-aging, Mg2Si, Microstructure, Novel metal elements, Transmission electron microscopy

2.

Atomic Structure of Cluster in an Al-Zn-Mg Alloy with Low Zn/Mg Determined by HAADF-STEM and First-Principles Calculation

Number of pages: 13 Posted: 04 Jun 2025
Wanlalak Sanphiboon, Calin Marioara, Norio Nunomura, Taiki Tsuchiya, Shouwon Lee, Abrar Ahmed, Susumu Ikeno, Tomoo Yoshida, Sigmund Jarle Andersen, Randi Holmestad and Kenji Matsuda
University of Toyama, SINTEF Industry, University of Toyama - Graduate School of Science and Engineering, University of Toyama, University of Toyama - Graduate School of Science and Engineering, University of Toyama, University of Toyama, AISIN KEIKINZOKU Co., LTD, SINTEF Industry, Norwegian University of Science and Technology (NTNU) - Department of Physics and University of Toyama - Graduate School of Science and Engineering
Downloads 107 (654,668)

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Al-Zn-Mg alloy, HAADF-STEM, DFT, formation energy, Precipitation

3.

Morphology Evolution of Β-Phase in Al-Mg-Si Alloys During Aging Treatment

Number of pages: 23 Posted: 22 Nov 2023
Abrar Ahmed, Kanokwan Uttarasak, Taiki Tsuchiya, Shouwon Lee, Katsuhiko Nishimura, Norio Nunomura, Kazuyuki Shimizu, Kyosuke Hirayama, Hiroyuki Toda, Masatake Yamaguchi, Tomohito Tsuru, Shoma Watanabe and Kenji Matsuda
University of Toyama, University of Toyama, University of Toyama, University of Toyama - Graduate School of Science and Engineering, University of Toyama - Graduate School of Science and Engineering, University of Toyama - Graduate School of Science and Engineering, Iwate University - Faculty of Science and Engineering, Kyushu University - Department of Mechanical Engineering, Kyushu University - Department of Mechanical Engineering, Japan Atomic Energy Agency - Center for Computational Science and e-Systems, Japan Atomic Energy Agency - Nuclear Engineering Research Center, University of Toyama and University of Toyama - Graduate School of Science and Engineering
Downloads 101 (709,832)

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high resolution transmission electron microscopy (HR-TEM), focus ion beam (FIB), optical microscope (OM), Mg2Si, Precipitation, Beta phase

4.

Identification of Hydrogen Trapping in Aluminum Alloys Via Muon Spin Relaxation Method and First-Principles Calculations

Number of pages: 23 Posted: 08 Aug 2022
Tomohito Tsuru, Katsuhiko Nishimura, Kenji Matsuda, Norio Nunomura, Takahiro Namiki, Shouwon Lee, Wataru Higemoto, Teiichiro Matsuzaki, Masatake Yamaguchi, Kenichi Ebihara, Kazuyuki Shimizu and Hiroyuki Toda
Japan Atomic Energy Agency - Nuclear Engineering Research Center, University of Toyama - Graduate School of Science and Engineering, University of Toyama - Graduate School of Science and Engineering, University of Toyama - Graduate School of Science and Engineering, University of Toyama - Graduate School of Science and Engineering, University of Toyama - Graduate School of Science and Engineering, Japan Atomic Energy Agency - Advanced Science Research Center, Tokyo Institute of Technology - Department of Physics, Japan Atomic Energy Agency - Center for Computational Science and e-Systems, Japan Atomic Energy Agency - Center for Computational Science and e-Systems, Iwate University - Faculty of Science and Engineering and Kyushu University - Department of Mechanical Engineering
Downloads 86 (765,566)

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Muon spin relaxation, Hydrogen trapping, First-principles calculations, Aluminum alloys

5.

Microstructure Observation of T-Phases in Al-Zn-Mg Alloy with Low Zn/Mg Ratio

Number of pages: 32 Posted: 22 Jul 2024
Abrar Ahmed, Shouwon Lee, Taiki Tsuchiya, Kenji Matsuda, Katsuhiko Nishimura, Norio Nunomura, Hiroyuki Toda, Kyosuke Hirayama, Kazuyuki Shimizu, Masatake Yamaguchi and Tomohito Tsuru
University of Toyama, University of Toyama - Graduate School of Science and Engineering, University of Toyama, University of Toyama, University of Toyama - Graduate School of Science and Engineering, University of Toyama - Graduate School of Science and Engineering, Kyushu University - Department of Mechanical Engineering, Kyushu University - Department of Mechanical Engineering, Tottori University, Japan Atomic Energy Agency - Center for Computational Science and e-Systems and Japan Atomic Energy Agency - Nuclear Engineering Research Center
Downloads 78 (837,727)

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HRTEM, Mg32(Al, Zn)49, Precipitation, T phase, AlZnMg. orientation relationship

6.

Ag Segregation and Interfacial Characterization of the Hexagonal β(Mg2Si)-Phase in Al-Mg-Si-Ag Alloy

Number of pages: 29 Posted: 18 Dec 2024
Abrar Ahmed, Kanokwan Uttarasak, Taiki Tsuchiya, Shouwon Lee, Katsuhiko Nishimura, Norio Nunomura, Shoma Watanabe, Ayesha Malik, Kazuyuki Shimizu, Kyosuke Hirayama, Hiroyuki Toda, Masatake Yamaguchi, Tomohito Tsuru, Junya Nakamura and Kenji Matsuda
University of Toyama, University of Toyama, University of Toyama, University of Toyama - Graduate School of Science and Engineering, University of Toyama - Graduate School of Science and Engineering, University of Toyama - Graduate School of Science and Engineering, University of Toyama, Riphah International University, Tottori University, Kyushu University - Department of Mechanical Engineering, Kyushu University - Department of Mechanical Engineering, Japan Atomic Energy Agency - Center for Computational Science and e-Systems, Japan Atomic Energy Agency - Nuclear Engineering Research Center, Kobelco Research Institute, Inc. and University of Toyama - Graduate School of Science and Engineering
Downloads 75 (844,901)

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scanning transmission electron microscopy (STEM), focus ion beam (FIB), optical microscope (OM), Mg2Si, precipitation, beta phase

7.

Anisotropic growth mechanism of plate-shaped β-phase in Al-Mg-Si alloys with and without Ag addition

Number of pages: 19 Posted: 27 Aug 2025 Last Revised: 14 Dec 2025
Abrar Ahmed, Kanokwan Uttarasak, Taiki Tsuchiya, Shouwon Lee, Ayesha Malik, Khan Ikhlaq Ahmed, Tran Sy Quan, Chaiyasit Banjongprasert, Katsuhiko Nishimura, Norio Nunomura, Shoma Watanabe and Kenji Matsuda
University of Toyama, University of Toyama, University of Toyama, University of Toyama - Graduate School of Science and Engineering, Riphah International University, affiliation not provided to SSRN, affiliation not provided to SSRN, Chiang Mai University, University of Toyama - Graduate School of Science and Engineering, University of Toyama - Graduate School of Science and Engineering, University of Toyama and University of Toyama
Downloads 45 (1,133,231)

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Microstructure, Aluminum, Mg2Si, Precipitation, beta phase

8.

Microstructure Observation of T-Phase in Al-Zn-Mg Alloy with Low Zn/Mg Ratio

Number of pages: 33 Posted: 29 Aug 2024
Abrar Ahmed, Kenji Matsuda, Shouwon Lee, Taiki Tsuchiya, Katsuhiko Nishimura, Norio Nunomura, Hiroyuki Toda, Kyosuke Hirayama, Kazuyuki Shimizu, Masatake Yamaguchi and Tomohito Tsuru
University of Toyama, University of Toyama - Graduate School of Science and Engineering, University of Toyama - Graduate School of Science and Engineering, University of Toyama, University of Toyama - Graduate School of Science and Engineering, University of Toyama - Graduate School of Science and Engineering, Kyushu University - Department of Mechanical Engineering, Kyushu University - Department of Mechanical Engineering, Iwate University - Faculty of Science and Engineering, Japan Atomic Energy Agency - Center for Computational Science and e-Systems and Japan Atomic Energy Agency - Nuclear Engineering Research Center
Downloads 28 (1,345,526)

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HRTEM, Mg32(Al, Zn)49, precipitation, T-phase, AlZnMg. orientation relationship

9.

Effect of Crystalline Structure on the Corrosion Behavior of the Co-Cr-Mo Alloy in 2.5 M H2so4 + 0.2 M Nacl Solution

Number of pages: 28 Posted: 30 May 2023
Daichi Nakato, Masahiko Hatakeyama, Norio Nunomura and Satoshi Sunada
University of Toyama, University of Toyama, University of Toyama - Graduate School of Science and Engineering and University of Toyama
Downloads 27 (1,359,097)

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Cobalt-chromium-molybdenum alloy, corrosion, polarization test