Rchr
J-GLOBAL ID：201401019608032933   Update date: Apr. 12, 2024

Hama Takayuki

Hama Takayuki
Affiliation and department：
Kyoto University

About Kyoto University


Research field  (1)： Machine materials and mechanics
Research theme for competitive and other funds  (11)：
  • 2020 - 2023 Improvement in predictive accuracy of crystal-plasticity analysis by utilizing oligocrystal metal and machine learning
  • 2018 - 2021 Investigation of secondary fracture mechanism at sheared edge of sheet metal through microstructure evaluation and FEM analysis
  • 2017 - 2020 Investigation of multiscale deformation behavior of metals using crystal-plasticity modeling and digital-image correlation measurements
  • 2017 - 2020 Crystal-plasticity modeling of time-dependent deformation behavior of metallic sheets and its application to press forming simulations
  • 2014 - 2017 Prediction of formability of electric resistance welded high-strength steel tubes on basis of accurate evaluation of work-hardening behavior
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Papers (154)：
  • Hayate Sakaguchi, Takuma Kishimoto, Takayuki Hama, Kenichi Tashima, Shinsuke Suzuki. Investigation of the Behavior of Surface Roughness Suppression Orientation on the Inner Surface of Metal Microtubes Using Crystal Plasticity Finite Element Method. Materials Science Forum. 2024. 1116. 3-7
  • Takayuki Hama, Masashi Oka, Takuna Nishi, Takashi Matsuno, Seiji Hayashi, Kenji Takada, Yoshitaka Okitsu. Crystal plasticity finite-element simulation of non-uniform deformation behavior at grain level of ultralow carbon steel. ISIJ International. 2024. 64. 3. 576-586
  • Naoya HIRANO, Tsuyoshi KIMURA, Takayuki HAMA. Proposal of a bending anomaly estimation method in sequential press forming processes of sheets and its verification. Transactions of the JSME (in Japanese). 2023. 89. 924. 22-00260
  • Takashi Matsuno, Daiki Kondo, Takayuki Hama, Tadashi Naito, Yoshitaka Okitsu, Seiji Hayashi, Kenji Takada. Flow stress curves for 980MPa- and 1.5GPa-class ultra-high-strength steel sheets weakened under high-stress triaxiality. International Journal of Mechanical Sciences. 2023. 108671-108671
  • Takayuki Hama, Masashi Oka, Takuna Nishi, Takashi Matsuno, Seiji Hayashi, Kenji Takada, Yoshitaka Okitsu. 極低炭素鋼における微視的不均一変形挙動に関する結晶塑性有限要素シミュレーション. Tetsu-to-Hagane. 2023. 109. 6. 547-558
ｍore...
MISC (132)：
  • 浜 孝之. アルミニウム合金板における塑性変形挙動の結晶塑性モデリング. ぷらすとす. 2024. 7. 75. 153-157
  • 浜 孝之. 「鉄鋼材料・製造プロセスにおけるデータサイエンス活用の新展開」特集号発刊に寄せて. 鉄と鋼. 2023. 109. 6. 463-463
  • 浜 孝之. 粗大結晶粒金属の不均一挙動 -実験と結晶塑性有限要素法解析-. ぷらすとす. 2023. 6. 65. 253-257
  • 浜孝之. 六方晶金属の結晶塑性モデリングとその板材成形解析への応用. ぷらすとす. 2023. 6. 61. 13-17
  • 浜孝之, 桑原利彦, 湯川伸樹, 早川邦夫. プロセッシング計算力学. ぷらすとす. 2022. 5. 56. 516-521
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Books (2)：
  • 23の先端事例がつなぐ計算科学のフロンティアー計算で物事を理解する予測する
    2019
  • 加工プロセスシミュレーションシリーズ1 静的解法FEM-板成形 (分担執筆)
    コロナ社 2004
Lectures and oral presentations  (146)：
  • Cup drawing of hexagonal close-packed sheet metals: experiment and crystal plasticity finite-element simulation
    (International Deep Drawing Research Group (IDDRG) Conference 2024 2024)
  • 分子動力学法によるbcc鉄の転位強化係数の決定
    (第74回塑性加工連合講演会 2023)
  • フェライトーマルテンサイト複合組織鋼板の結晶塑性解析における代表体積要素が加工硬化特性に与える影響
    (第74回塑性加工連合講演会 2023)
  • 異なる加工硬化挙動を示す2種の5052アルミニウム合金板に関する結晶塑性成形限界解析
    (第74回塑性加工連合講演会 2023)
  • 結晶塑性有限要素法による金属マイクロチューブの空引きにおける内面の表面粗さ推移の模擬
    (第74回塑性加工連合講演会 2023)
ｍore...
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