Rchr
J-GLOBAL ID:200901009498204665   Update date: Sep. 13, 2024

Okubo Kazuya

オオクボ カズヤ | Okubo Kazuya
Affiliation and department:
Homepage URL  (1): http://amsel.doshisha.ac.jp/index.html
Research field  (1): Machine materials and mechanics
Research keywords  (25): 有限要素法FEM ,  無段変速機CVT ,  伝動変速機 ,  非線形構造 ,  超弾性 ,  き裂じん性 ,  疲労損傷 ,  材料信頼性 ,  マイクロ材料力学 ,  複合材料 ,  FEM ,  Finite Element Method ,  CVT ,  Continuous Variable Transmission ,  Power Transmission ,  Nonlinear Structure ,  Hyper Elastic ,  Crack Toughness ,  Damage Mechanics ,  Fatigue ,  Material Reliability ,  Fracture ,  Strength ,  Micro Mechanics ,  Composites Materials
Research theme for competitive and other funds  (18):
  • 2024 - 2027 Study on mechanical characteristics of nano- micro-fiber under various strain speed conditions
  • 2021 - 2024 Investigation and improvement of interfacial strength between fiber and matrix under impact loading
  • 2019 - 2023 Formulation of design criteria and improvement of durability of carbon fiber reinforced composite joint subjected to in-plane and out of plane loading.
  • 2018 - 2021 Improvement in mechanical properties and fatigue life of CFRTP due to an addition of sub-micron glass fibers and their mechanisms
  • 2015 - 2019 Design Criterion and Improvement of Durability of Carbon Fiber Reinforced Composites Fastened by Bolt
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Papers (145):
  • K. Obunai, K. Okubo. Mechanical characteristics of reclaimed carbon fibre under superheated steam atmosphere and its feasibility for remanufacturing CFRP/CFRTP. Composites Part A: Applied Science and Manufacturing. 2024. 176. 107843-107843
  • OBUNAI Kiyotaka, OKUBO Kazuya, FUKUO Ato. A prediction model of flat belt slippage considering rigid-slip during power transmission. Transactions of the JSME (in Japanese). 2023. 89. 924. 23-00073-23-00073
  • Ryotaro Murayama, Kiyotaka Obunai, Kazuya Okubo. Effect of sub-micron glass fiber addition on CAI strength of UD-CFRP. International Journal of Computational Methods and Experimental Measurements. 2022. 10. 3. 271-281
  • Kazuki Oshima, Seiji Mitsubayashi, Kiyotaka Obunai, Kazuya Okubo. Orbital Change of belt for Metal V-belt Type CVT (Continuously Variable Transmission) - Change of pitch angle at strings -. IOP Conference Series: Materials Science and Engineering. 2022. 1250. 1. 012001-012001
  • Ryunosuke Kikui, Kiyotaka Obunai, Kazuya Okubo, Kouhei Toyohara, Kyohei Watanabe, Hui Jin. Local change of PV value on end faces of rocker pins of chain type CVT (Continuously Variable Transmission) under transmitting condition. SAE Technical Papers. 2022
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MISC (140):
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Patents (37):
  • 炭素繊維の回収方法
  • ブレーキディスク
  • 繊維強化プラスチック用組成物及び炭素繊維強化プラスチック
  • 不織布、及び、この不織布の製造方法
  • 再生炭素繊維の製造方法
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Books (2):
  • 環境調和複合材料の開発と応用
    シーエムシー出版 2005
  • 標準材料の力学
    日刊工業新聞社 2001
Lectures and oral presentations  (76):
  • CAN QUITE A FEW AMOUNT OF POLY(VINYL ALCOHOL) NANO-FIBERS SIGNIFICANTLY IMPROVE THE DURABILITY OF CARBON FIBER/EPOXY COMPOSITE
    (2012)
  • Reduction of squeal on laminated brake disc fastened with distributed contact pressure Engineering Mechanics Structures Engineering Geology, Gambrige
    (Proceedings of Engineering Mechanics Structures Engineering Geology 2012)
  • IMPROVEMENT OF FATIGUE PROPERTY OF CARBON FIBER REINFORCED PLASTICS ENHANCED WITH NANO-SIZED SYNTHETICS POLYMER FIBERS
    (International Conference Kathmandu symposia on Advanced Material 2012)
  • Experimental Study on Effect of PVA Treatment on Flexural Strength and Flexural modulus of Stampable sheet Fabricated with Bamboo Fibers
    (The Seventh International Workshop on Green Composites (IWGC-7) 2012)
  • 微細Polymer繊維の添加による炭素繊維強化プラスチックの疲労特性の改善
    (第3回日本複合材料合同会議(JCCM-3) 2012)
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Works (1):
  • 平成14年度地域新生コンソーシアム研究開発事業(開繊技術を応用した薄層ボイドレスMAPシートの開発)
    2002 - 2003
Education (6):
  • - 1992 Doshisha University
  • - 1992 Doshisha University Graduate School, Division of Engineering
  • - 1989 Doshisha University
  • - 1989 Doshisha University Graduate School, Division of Engineering
  • - 1987 Doshisha University
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Professional career (2):
  • Master of Engineering (Doshisha University)
  • 工学修士 (同志社大学)
Work history (11):
  • 2012/04/01 - Graduate School of Doshisha University Specialty of Engineering Professor
  • 2010/04/01 - 2012/03/31 Graduate School of Doshisha University Specialty of Engineering Professor
  • 2008/04/01 - 2010/03/31 Graduate School of Doshisha University Specialty o Life and Medical Science Professor
  • 2007/04/01 - Doshisha University Development of Engineering Professor
  • 2003/04/01 - 2007/03/31 Graduate School of Doshisha University Specialty of Engineering Associate professor
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Committee career (21):
  • 2022/05 - 現在 自動車技術会 関西支部 学生活動支援組織 参与
  • 2018/04 - 現在 The Adhesion Society of Japan Organizer of Kansai branchi
  • 2018/04 - 現在 The Adhesion Society of Japan Board of trustees
  • 2017/04 - 現在 The Society of Belt Transmission Engineers president
  • 2016/04 - 現在 The Adhesion Society of Japan Editorial committe
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Awards (4):
  • 2016/04 - 公益社団法人 日本材料学会 関西支部長賞
  • 2015/03 - Award for Meritorious Person of KANSAI Branch of The Japan Society of Mechanical Engineers (JSME)
  • 2006 - 社団法人自動車技術会フェロー(2006年度)
  • 2003 - 日本材料学会 平成15年度学術奨励賞
Association Membership(s) (7):
自動車技術会 ,  日本複合材料学会 ,  日本機械学会 ,  日本材料学会 ,  日本接着学会 ,  日本ゴム協会 ,  ベルト伝動技術懇話会
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