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J-GLOBAL ID：202001007623680852   Update date: Oct. 31, 2024

Hirayama Kyosuke

ヒラヤマ キョウスケ | Hirayama Kyosuke
Affiliation and department：
Kagawa University Faculty of Engineering and Design

About Kagawa University Faculty of Engineering and Design


Job title： associate professor
Research field  (1)： Structural and functional materials
Research keywords  (6)： X-ray imaging ,  Transmission Electron Microscope ,  Steel ,  Aluminium alloy ,  Grain boundary ,  Hydrogen embrittlement
Research theme for competitive and other funds  (11)：
  • 2023 - 2026 Hydrogen/phase transformation-induced cracking: high-resolution X-ray CT with X-ray diffraction
  • 2023 - 2026 Multimodal assessment of hydrogen embrittlement in grain boundary engineered materials using X-ray CT and XRD
  • 2022 - 2025 Hierarchical structure analysis of light metals by simultaneous scattering/spectroscopy measurements
  • 2019 - 2024 ナノ~マクロを繋ぐトモグラフィー:界面の半自発的剥離
  • 2019 - 2023 Development of innovative functional materials based on the evaluation and control for interface dynamics
Show all
Papers (53)：
  • Yafei Wang, Hiroyuki Toda, Hiro Fujihara, Kazuyuki Shimizu, Kyosuke Hirayama, Akihisa Takeuchi, Masayuki Uesugi. Role of retrogression and reaging in suppressing hydrogen-induced transgranular cracking in 7xxx Al alloys. Scripta Materialia. 2025. 255
  • Hiroyuki Toda, Chiharu Koga, Kyosuke Hirayama, Akihisa Takeuchi, Masayuki Uesugi, Kyohei Ishikawa, Takafumi Yokoyama, Hiro Fujihara. Multimodal assessment of mechanically induced transformation and damage in TRIP steels using X-ray nanotomography and pencil-beam diffraction tomography. Acta Materialia. 2024. 281. 120412-120412
  • Hiroyuki Toda, Yuki Fukuda, Han Li, Kyosuke Hirayama, Hiro Fujihara, Kazuyuki Shimizu, Yafei Wang, Jianwei Tang, Akihisa Takeuchi, Masayuki Uesugi. Surrogate model-based assessment of particle damage behaviour of Al-Zn-Mg alloy. Acta Materialia. 2024. 281
  • Osamu Takakuwa, Tatsuya Iwano, Kyosuke Hirayama, Hiroyuki Toda, Akihisa Takeuchi, Masayuki Uesugi. In situ 3D crystallographic characterization of deformation-induced martensitic transformation in a metastable Fe-Cr-Ni austenitic alloy by X-ray microtomography. Scientific Reports. 2024. 14. 1
  • Kyosuke Hirayama, Jyunnosuke Oishi, Hiroshi Okuda, Yoshiaki Maegawa, Michiaki Yamasaki, Yoshihito Kawamura, Noboru Ohta. Analysis of Microstructure Formation Process of MgCoY Amorphous Ribbon by TEM Observation and <i>In-Situ</i> Small Angle Scattering Measurement. MATERIALS TRANSACTIONS. 2024. 65. 11. 1384-1389
ｍore...
MISC (80)：
  • 清水一行, 土屋昇大, 戸田裕之, 藤原比呂, 平山恭介. Al-Zn-Mg合金中のT相優先析出による水素脆化防止挙動. 日本金属学会講演大会(Web). 2023. 172nd
  • AHMED Abrar, 李昇原, 土屋大樹, 松田健二, 西村克彦, 布村紀男, 戸田裕之, 平山恭介, 清水一行, 山口正剛, et al. Characterizing the Microstructure of Low Zn/Mg ratio in Al-Zn-Mg alloy. 日本金属学会講演大会(Web). 2023. 173rd
  • 清水一行, 戸田裕之, 藤原比呂, 平山恭介, 山口正剛. Hydrogen trapping of T-phase and prevention of hydrogen embrittlement in Al-Zn-Mg alloys. 軽金属学会大会講演概要. 2022. 143rd
  • 比嘉良太, 藤原比呂, 戸田裕之, 小林正和, 海老原健一, 平山恭介, 清水一行. 7000系アルミニウム合金における水素脆化亀裂発生挙動のマルチモーダル3Dイメージベース解析. 日本金属学会講演大会(Web). 2022. 171st
  • 戸田裕之, 清水一行, 藤原比呂, 平山恭介. Tomography for Bridging Nano and Macro: Semi-Spontaneous Interfacial Debonding. 自動車技術会大会学術講演会講演予稿集(Web). 2022. 2022
ｍore...
Lectures and oral presentations  (85)：
  • Stress corrosion cracking of high strength Al-Zn-Mg-Cu alloy with Mn-rich dispersoid and T phase
    (ICAA19 2024)
  • Hydrogen-induced nanovoid and intergranular cracking in a novel Al-Zn-Mg-Cu alloy
    (ICAA19 2024)
  • 3D analysis of hydrogen embrittlement mechanism in Aluminium alloy by 3D-TEM observation
    (ICAA19 2024)
  • 曲げ変形を受けるTRIP鋼のγ変態挙動のマルチモーダル解析
    (日本鉄鋼協会第187回春季講演大会 2024)
  • MgYZn希薄合金のCAL/CANaP形成過程
    (日本金属学会第174回春期講演大会 2024)
ｍore...
Education (3)：
  • 2010 - 2013 Kumamoto University
  • 2008 - 2010 Kumamoto University
  • 2004 - 2008 Kumamoto University Faculty of Engineering
Professional career (1)：
  • Ph.D. in Engineering (Kumamoto University)
Work history (4)：
  • 2024/10 - 現在 Kagawa University Program in Advanced Materials Science, Faculty of Engineering and Design
  • 2021/03 - 2024/09 Kyoto University Graduate School of Engineering Deprtment of Materical Science and Engineering
  • 2015/02 - 2021/02 Kyushu University Department of Mechanical Engineering, Faculty of Engineering
  • 2013/05 - 2015/01 国立大学法人熊本大学 産学官連携研究員
Committee career (1)：
  • 2019/04 - 2021/03 軽金属学会九州支部 幹事
Awards (2)：
  • 2020/10 - 軽金属学会 第37回軽金属奨励賞
  • 2017/01 - 一般社団法人日本機械学会 一般社団法人 日本機械学会 材料力学部門 優秀講演表彰
Association Membership(s) (4)：
The Japan Institute of Metals and Materials ,  The Iron and Steel Institute of Japan ,  The Japan Institute of Light Metals ,  The Japan Society of Mechanical Engineering
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