Rchr
J-GLOBAL ID:200901089404014454   Update date: Apr. 17, 2024

Umezawa Osamu

ウメザワ オサム | Umezawa Osamu
Affiliation and department:
Job title: Professor
Other affiliations (4):
Research field  (4): Structural and functional materials ,  Material fabrication and microstructure control ,  Machine materials and mechanics ,  Environmental load reduction/restoration technology
Research keywords  (7): 極低温特性 ,  疲労 ,  Fracture ,  Deformation and Fracture ,  Deformation ,  Deformation and Fracture ,  Microstructure of Metals and Alloys
Research theme for competitive and other funds  (26):
  • 2021 - 2024 High strength alloy thick plates for cryogenic structural use and their microstructure control for high cracking resistance
  • 2019 - 2022 表面硬化部材の疲労損傷研究部会
  • 2019 - 2020 鋼中炭素の存在状態評価と微小球反発硬さ試験法の適用開発
  • 2017 - 2020 鉄鋼のミクロ組織要素と特性の量子線解析研究会
  • 2018 - 2019 原型炉超伝導TFコイルに向けた極低温用構造材料の高強度化に関する研究開発
Show all
Papers (399):
  • Hiroyuki Dannoshita, Hiroshi Hasegawa, Sho Higuchi, Hiroshi Matsuda, Wu Gong, Takuro Kawasaki, Stefanus Harjo, Osamu Umezawa. Effects of dislocation arrangement and character on the work hardening of lath martensitic steels. SCRIPTA MATERIALIA. 2023. 236
  • Norimitsu Koga, Kouki Koizumi, Shuto Takayasu, Osamu Umezawa, Mizuki Watanabe, Masayuki Yamamoto, Takashi Yamamoto. High-Temperature Hardness in Hypereutectoid Steels with Various Microstructures Measured by Using Small Ball Rebound Hardness Test. MATERIALS TRANSACTIONS. 2023
  • Norimitsu Koga, Akihiro Kaseya, Osamu Umezawa, Hiroshi Nakata, Shunsuke Toyoda. Effects of vanadium addition on strain distribution, crack initiation and propagation during low-cycle fatigue test in ferrite and martensite dual-phase steel. ISIJ International. 2022. 62. 10
  • N.Koga, Y.Kaseya, O.Umezawa, H.Nakata, S.Toyoda. Effects of Vanadium Addition on Strain Distribution, Crack Initiation and Propagation during Low-cycle Fatigue Test in Ferrite and Martensite Dual-phase Steel. ISIJ International. 2022. 62. 10. 1-3
  • Shuto Takayasu, Osamu Umezawa, Kazuya Hashimoto. Tribofilm properties and microcrack morphologies for a carburized SCM420 steel under high-pressure rolling sliding contact fatigue with lubricants containing high sulfur- and phosphorus- additives”. WEAR. 2022. 502-503. 204397
more...
MISC (147):
  • 梅澤修. 高強度合金における高サイクル疲労き裂の形成とひずみ不整合との関わり. 山陽特殊製鋼技報. 2021. 28. 1. 3-12
  • 梅澤 修. 鋼の焼入性と合金元素. 熱処理技術セミナー(2020年度第3回). 2021. 1. 1-8
  • Osamu Umezawa. Review of the mechanical properties of high-strength alloys at cryogenic temperatures. Materials Performance and Characterization. 2021. 10. 2. 3-15
  • UMEZAWA Osamu. Microstructure and Phase Transformation in Heat Treatment of Steels. PLASTOS. 2021. 4. 38. 65-69
  • 梅澤 修. EBSD法を用いた材料組織解析の注意点. 熱処理技術セミナー(2020年度第2回). 2021. 8. 1-8
more...
Patents (38):
  • チタン合金およびチタンからなる基体とその表面処理方法
  • チタン合金およびチタンからなる基体とその表面処理方法
  • 鋳物用アルミニウム合金
  • 鋳物用アルミニウム合金
  • Al-Si系合金の製法
more...
Books (33):
  • 金属組織観察のための検鏡試料の作り方
    大河出版 2020 ISBN:9784886618184
  • Handbook of Ecomaterials
    Springer International Publishing 2019 ISBN:9783319682556
  • Handbook of Ecomaterials
    Springer International Publishing 2019 ISBN:9783319682556
  • Handbook of Ecomaterials
    Springer International Publishing 2019 ISBN:9783319682549
  • Handbook of Ecomaterials
    Springer International Publishing 2019 ISBN:9783319682549
more...
Lectures and oral presentations  (26):
  • A Subsurface fatigue crack generation model in near alpha titanium at low temperature
    (Thermec 2018 2018)
  • A Subsurface fatigue crack generation model in near alpha titanium at low temperature
    (Thermec 2018 2018)
  • Growth of ecomaterials and eco-efficiency in major metallic structural materials
    (13th International Conference on Ecomaterials 2017 (ICEM13) 2017)
  • Growth of ecomaterials and eco-efficiency in major metallic structural materials
    (13th International Conference on Ecomaterials 2017 (ICEM13) 2017)
  • グリーンモノづくりの課題とアジアの役割
    (第11回エコマテリアル国際会議プレシンポジウム-日本発のモノづくり:東南アジア(ベトナム)展開への期待- 2013)
more...
Education (1):
  • - 1986 Waseda University Department of Science and Engineering Metallurgical Engineering
Professional career (1):
  • Doctor of Engineering (Waseda University)
Work history (11):
  • 2006/04 - 現在 Yokohama National University Faculty of Engineering, Professor
  • 2019/01 - 2023/12 Vysoká Škola Báňská - Technical University of Ostrava Senior researcher
  • 2019/04 - 2023/03 Yokohama National University Dean, Faculty of Engineering
  • 2016/04 - 2017/03 Yokohama National University Vice President of Educational Reform
  • 2015/04 - 2017/03 Yokohama National University Director of General Education
Show all
Committee career (18):
  • 2015/08 - 現在 エコマテリアルフォーラム 理事
  • 2013/06 - 現在 (科学技術・学術政策研究所)科学技術動向研究センター 専門調査員
  • 2010/04 - 現在 材料技術教育研究会 会長
  • 2020/04 - 2024/04 日本鉄鋼協会理事
  • 2020/04 - 2024/03 日本鉄鋼協会育成委員会委員長
Show all
Awards (27):
  • 2022/08 - International Society for Science Network International Science and Technology Awards 2022
  • 2020/06 - 一般社団法人 日本熱処理技術協会 学術功績賞(林賞) ひずみ不整に起因するき裂形成機構と組織学的要因との関係解明
  • 2019/11 - The 25th Small Engine Technology Conference (SETC2019) High Quality Paper Award Influence of Surface Compound Layer on Fatigue Strength of Nitrided Chromium Molybdenum Steel
  • 2019/10 - 公益財団法人里見奨学会 里見賞 極低炭素鋼表面の窒化化合物層組織の微細化と疲労き裂形成に及ぼす影響
  • 2019/07/23 - International Cryogenic Materials Conference Best Structural Materials Paper
Show all
Association Membership(s) (8):
The Iron and Steel Institute of Japan ,  Japan Institute for Metals ,  Japan Institute for Light Metals ,  アルミニウム鍛造技術会 ,  Ecomaterials Forum ,  日本鋳造工学会 ,  日本熱処理技術協会 ,  自動車技術会
※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

Return to Previous Page