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J-GLOBAL ID：200901020199331409   Update date: Feb. 20, 2024

Sagara Akio

サガラ アキオ | Sagara Akio
Affiliation and department：
National Institute for Fusion Science

About National Institute for Fusion Science


Other affiliations (2)：
  • SOKENDAI
  • Tohoku University  Quantum Science and Energy Engineering 
Homepage URL  (1)： https://www.youtube.com/playlist?list=PLXFYrGZE0o5CozMBb6AQC-oCpiP7ItvSH
Research field  (3)： Nuclear fusion ,  Thin-film surfaces and interfaces ,  Basic plasma science
Research keywords  (3)： surface physics of mater ,  Plasma Science and Technology ,  Nuclear Fusion
Research theme for competitive and other funds  (19)：
  • 2016 - 2019 Study on function sharing type interface structures and demonstration of self-healing function in corrosive environment for advanced blanket systems of fusion reactors
  • 2015 - 2018 Development of the Supersonic Jet Pump for Realization of Vacuum Pumping in the Fusion Reactor
  • 2013 - 2017 Experimental study on active control of hydrogen solubility for improvement of safety and thermal efficiency of a molten salt blanket
  • 2013 - 2016 Evaluation and improvement of properties of hydride shielding materials for a fusion reactor
  • 2010 - 2012 Quantitative evaluation and active control of tritiumrecycling in the plasma facing materials during mixed ion implantations
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Papers (543)：
  • Masayuki Tokitani, Yukinori Hamaji, Yutaka Hiraoka, Yuki Hayashi, Suguru Masuzaki, Hitoshi Tamura, Hiroyuki Noto, Teruya Tanaka, Tatsuya Tsuneyoshi, Yoshiyuki Tsuji, et al. Plasma Wall Interaction of New Type of Divertor Heat Removal Component in LHD Fabricated by Advanced Multi-Step Brazing (AMSB). Fusion Science and Technology. 2023. 79. 6. 651-661
  • Shaoning Jiang, Jingjie Shen, Takuya Nagasaka, Takeo Muroga, Akio Sagara, Somei Ohnuki, Kazuyuki Hokamoto, Weifeng Rao, Shigeru Tanaka, Daisuke Inao, et al. Formation of intermetallic and its effect on the hardening of welding joint between vanadium alloy and Hastelloy X alloy after heat treatment. Nuclear Materials and Energy. 2023. 34
  • M. Tokitani, Y. Hamaji, Y. Hiraoka, S. Masuzaki, H. Tamura, H. Noto, T. Tanaka, T. Muroga, A. Sagara. Deformation and fracture behaviour, and thermal stability of ODS-Cu/ODS-Cu and SUS/ODS-Cu joints fabricated by advanced brazing technique. Fusion Engineering and Design. 2022. 184. 113312-113312
  • Kaito Kubo, Kazunari Katayama, Makoto Oya, Katsuya Tsukahara, Satoshi Fukada, Teruya Tanaka, Akio Sagara, Juro Yagi, Yuto Iinuma. Tritium release behavior from neutron-irradiated FLiNaBe mixed with titanium powder. Fusion Engineering and Design. 2021. 171. 112558-112558
  • S. Yoshihashi, T. Tsuneyoshi, K. Tsuchida, D. Furuzawa, S. Honda, K. Watanabe, A. Yamazaki, Y. Tsuji, Y. Hamaji, M. Tokitani, et al. High heat removal technique for a lithium neutron generation target used for an accelerator-driven BNCT system. Journal of Instrumentation. 2021. 16. 04. P04016-P04016
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MISC (230)：
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Patents (1)：
  • カーボンシートポンプ及びこれを用いたプラズマ発生装置
Books (5)：
  • Control concept for the high density and low temperature ignition in the FFHR helical reactor Fusion Energy and Power
    Nova Science Pub Inc. Physics Research and Technology Series, Fusion Energy and Power: Applications, Technologies and Challenges. 2015
  • "Studies on Flibe Blanket Designs in Helical Reactor FFHR"(共著)
    Fusion Technology 2001
  • "Development of Steady State Microwave Ion Source for High Flux Ion Beam Irradiation to First Wall Materials"(共著)
    Journal of Plasma and Fusion Research SERIES 2000
  • 超高真空実験マニュアル
    日刊工業新聞社 1991
  • 原子力・量子・核融合事典
    丸善
Lectures and oral presentations  (8)：
  • Two Conceptual Designs of Helical Fusion Reactor FFHR-d1A Based on ITER Technologies and Challenging Ideas
    (the 26th International Conference on Fusion Energy (17-22, October 2016, Kyoto), IAEA, Vienna. 2016)
  • Helical Reactor Design FFHR-d1 and c1 for Steady State DEMO
    (the 11th The International Symposium on Fusion Nuclear Technology (ISFNT) 2013)
  • Impact of Burning Plasma on Fusion Technology Development, (keynote)
    (the 19th ANS Topical Meeting on the Technology of Fusion Energy (TOFE) 2010)
  • Optimization Studies on Conceptual Designs of LHD-type Reactor FFHR
    (The 17th ANS Topical Meeting on the Technology of Fusion Energy (TOFE) , 2006)
  • Improved structure and long-life blanket concepts for heliotron reactors
    (the 17th International Conference on Fusion Energy (19~24, October 1998, Yokohama), IAEA, Vienna. 2004)
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Works (14)：
  • LHD定常熱負荷運転のための溶融塩伝熱流動機構の開発研究
    1999 - 2001
  • Research and Development of Moltensold Thermofluid System for LHD High-heat steady Operations.
    1999 - 2001
  • 先進ブランケットの照射下特性とシステムインテグレーションJUPITER-II
    2001 -
  • Development of Advanced Blanket-Performance under Irradiation and System Integration JUPITER-(]G0002[)
    2001 -
  • 定常高粒子束イオンビームによる対向材料のスッパタリングの評価
    1996 -
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Education (3)：
  • 1976 - 1979 Graduate School, Nagoya University Doctoral Program Nuclear Engineering
  • 1974 - 1976 Graduate School, Nagoya University Master's Course Nuclear Engineering
  • 1970 - 1974 Nagoya University School of Engineering Nuclear Engineering
Professional career (1)：
  • Doctor of Engineering (Nagoya University)
Work history (19)：
  • 2022/04 - 現在 The Japan Society of Mechanical Engineers, Subcommittee Chief Examiner
  • 2021/10 - 現在 Helical Fusion Co., Ltd. Science Advisor
  • 2017/04 - 現在 Tohoku University Graduate School of Engineering Department of Quantum Science and Energy Engineering Research Professor (Visiting)
  • 2017/04 - 現在 SOKENDAI Professor Emeritus
  • 2017/04 - 現在 National Institute for Fusion Science Professor Emeritus
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Committee career (7)：
  • 2014 - 2015 Helmholtz Research-Programme “Nuclear Fusion” in spring 2014 in Germany, A member of the review panel
  • 2007/12 - 2008/12 Council for Science and Technology, MEXT Chief Investigater
  • 2008/04 - 2008/06 External Evaluation Committee, High Temperature Plasma Research Center, The University of Tokyo Committee Chairman
  • 2007/04 - 2008/03 Atomic Energy Society of Japan Editorial Board
  • 2001 - 2006 ANS (American Nuclear Society), Exective Comittee of Fusion Energy Division
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Awards (3)：
  • 2014/11 - The Japan Society of Plasma Science and Nuclear Fusion Research The 19th JSPF Award for Notable Contribution on Technology
  • 2014/04 - Atomic Energy Society of Japan (AESJ) Fellow
  • 2012/08 - American Nuclear Society, Fusion Energy Division Outstanding Achievement Award
Association Membership(s) (7)：
The Japan Institute of Metals and Materials ,  The Japan Society of Mechanical Engineers ,  ANS (American Nuclear Society) ,  Plasma and Fusion Society of Japan ,  Atomic Energy Society of Japan ,  The Japan Society of Applied Physics ,  The Physical Society of Japan
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