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J-GLOBAL ID：201601008606556580   Update date: Feb. 01, 2024

Hakoyama Tomoyuki

ハコヤマ トモユキ | Hakoyama Tomoyuki
Affiliation and department：
Gifu University Faculty of Engineering Department of Mechanical Engineering

About Gifu University Faculty of Engineering Department of Mechanical Engineering


Other affiliations (2)：
Research field  (2)： Material fabrication and microstructure control ,  Machine materials and mechanics
Research keywords  (15)： 中性子回折 ,  simulation ,  forming limit ,  yield function ,  anisotropy ,  yield surface ,  material model ,  biaxial stress test ,  constitutive equations ,  tube forming ,  metal forming ,  material testing ,  plasticity ,  Metal ,  elasticity
Research theme for competitive and other funds  (10)：
  • 2023 - 2024 板鍛造シミュレーョン予測精度に及ぼすひずみ速の影響
  • 2020 - 2023 Development of computational techniques for inverse problems and optimizations of sheet metal forming using machine learning
  • 2020 - 2023 プレス成形シミュレーション高度化に資する薄鋼板の流動則の研究
  • 2022 - 2023 T字型鍛造品加工時の変形プロセスの可視化
  • 2022 - 2023 軟鋼板の円板圧縮挙動に及ぼす応力緩和現象の影響
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Papers (49)：
  • Tomoyuki Hakoyama, Koki Kato, Kazumasa Aoyama, Nobuhiko Ibaraki, Zhigang Wang. Improvement of a Testing Method of Cold Forging Performance of Steel Wires. Lecture Notes in Mechanical Engineering. 2024. 719-727
  • Tomoyuki Hakoyama, Hibiki Kojima, Souma Hibino, Ryo Yoshitake, Zhigang Wang. Shear Forging for Aluminum and Copper Materials. Lecture Notes in Mechanical Engineering. 2024. 56-63
  • Tomoyuki Hakoyama, Kenta Jo, Yasuharu Yoshikawa, Zhigang Wang. Deformation Behavior of Tool and Workpiece in Plate Compression. Lecture Notes in Mechanical Engineering. 2024. 80-87
  • Z. G. Wang, T. Hakoyama, T. Yaguchi, Y. Nakamura, S. Komiyama. What happens at the interface between tool and workpiece with extremely expanded surface during cold forging. CIRP Annals. 2023. 72. 1. 251-254
  • Kodai Murasawa, Kota Ueno, Yoshinori Kusuda, Masato Takamura, Takayuki Hama, Tomoyuki Hakoyama, Shinsuke Suzuki. Prediction of the Stress Decreasing Behavior in the Early Stage of Stress Relaxation in Steel Sheet. ISIJ International. 2022. 62. 5. 1004-1012
ｍore...
MISC (15)：
  • 中村 雄祐, 矢口 季哉, 清水 翔平, 小見山 忍, 箱山 智之, 王 志剛. 円筒形ボールしごき試験による冷間鍛造用潤滑剤の高感度評価-Development of Cylindrical Upsetting Ball Ironing Test for Highly Sensitive Evaluation of Cold Forging Lubricants. 日本パーカライジング技報 = Technical report / Nihon Parkerizing Co., Ltd. 2023. 35. 18-24
  • Nikawa Makoto, Yoshida Yoshinori, Yamashita Minoru, Mitamura Kazuhiro, Hakoyama Tomoyuki, Furuya Kohei, Nakai Asami, Kousaka Hiroyuki, Wang Zhigang. Initiatives to Create a Smart Die and Mold Development Hub in G-CADET. Seikei-Kakou. 2022. 35. 1. 14-17
  • 箱山 智之. 成形限界応力曲面を用いた自動車用軟鋼板の穴広げ割れ予測手法の開発. 天田財団助成研究成果報告書. 2022. 35. 341
  • HAKOYAMA Tomoyuki, KUTSUKAKE Asuka. Report on 54th ICFG Plenary Meeting. PLASTOS. 2022. 5. 50. 99-100
  • Tomoyuki HAKOYAMA, Nobuyasu NOMA. Modeling of Anisotropic Material. PLASTOS. 2021. 4. 41. 316-321
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Patents (1)：
Lectures and oral presentations  (95)：
  • 円筒形-ボールしごき摩擦試験における焼付き生成機構
    (第73回塑性加工連合講演会 2022)
  • 切削鍛造加工品性状に及ぼす材料の影響 -アルミニウム材の切削鍛造-
    (第72回塑性加工連合講演会 2021)
  • 据込み-ボールしごき形摩擦試験における焼付き促進検討
    (第72回塑性加工連合講演会 2021)
  • 高次非対称異方性降伏関数による SD 効果を示す高張力鋼板の材料モデリング
    (第72回塑性加工連合講演会 2021)
  • 円板圧縮の除荷挙動に及ぼす金型と材料の影響
    (第72回塑性加工連合講演会 2021)
ｍore...
Education (3)：
  • 2014 - 2016 Tokyo University of Agriculture and Technology Engineering Mechanical systems engineering
  • 2012 - 2014 Tokyo University of Agriculture and Technology Engineering Mechanical systems engineering
  • 2008 - 2012 Tokyo University of Agriculture and Technology Engineering Mechanical systems engineering
Professional career (1)：
  • 博士(工学) (東京農工大学)
Work history (6)：
  • 2018/04 - 現在 RIKEN
  • 2018/04 - 現在 Gifu University Engineering Assistant Professor
  • 2017/02 - 2018/03 RIKEN RAP Special researcher
  • 2016/04 - 2017/01 Tokyo University of Agriculture and Technology Institute of Engineering JSPS Research Fellow PD
  • 2016/08 - 2016/09 KU Leuven Visiting scholar
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Committee career (3)：
  • 2018/04 - 現在 日本塑性加工学会 校閲委員
  • 2017/03 - 現在 日本鉄鋼協会 創形創質工学部会 若手交流フォーラム 幹事
  • 2020/01 - 2021/09 ICFG2021 Secretary of ICFG2021
Awards (8)：
  • 2022 - The Japan Society for Technology of Plasticity JSTP Young Researchers Award Study on plastic deformation behavior of metal sheet
  • 2021/09 - The International Cold Forging Group ICFG INTERNATIONAL PAPER PRIZE 2021 Interaction Between Tool and Workpiece in Plate Compression
  • 2016/01 - 日本塑性加工学会 第66回塑性加工連合講演会 優秀論文講演奨励賞 拡散くびれ以降の加工硬化特性の測定と検証
  • 2015/03 - 東京農工大学 平成26年度学生表彰
  • 2014/06 - 日本塑性加工学会 平成26年度日本塑性加工学会賞 学生奨励賞 DIC二軸バルジ試験による高張力鋼板の材料モデリング
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Association Membership(s) (4)：
日本機械学会 ,  THE JAPAN INSTITUTE OF LIGHT METALS ,  THE IRON AND STEEL INSTITUTE OF JAPAN ,  THE JAPAN SOCIETY FOR TECHNOLOGY OF PLASTICITY
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