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Researchers
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HIROSAWA Shoichi
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【Published Thesis】 Comparative and complementary characterization of precipitate microstructures in Al-Mg-Si(-Li) alloys by transmission electron microscopy, energy dispersive X-ray spectroscopy and atom probe tomography 2015.02
【Published Thesis】 Methods for Designing Concurrently Strengthened Severely Deformed Age-Hardenable Aluminum Alloys by Ultrafine-Grained and Precipitation Hardenings 2013.08
【Published Thesis】 Concurrent strengthening of ultrafine-grained age-hardenable Al-Mg alloy by means of high-pressure torsion and spinodal decomposition 2017.06
【Published Thesis】 Continuous high-pressure torsion of pure Al and Al-2 wt% Fe alloy using multi-wires 2021.02
【Published Thesis】 Considerable improvement in elastic moduli and the underlying mechanism of Al-Cu-Zn alloy subjected to aging treatments 2020.09
【Published Thesis】 Development of thermally stable powder metallurgy Al–Mn alloy extrusions and prediction of their terminal strength after prolonged service periods at high temperatures 2020.06
【Industrial Property Rights】 建築構造用アルミニウム焼結合金及び製造方法 2018.10
【Published Thesis】 Development of high-strength bolt material of Al-Mg-Si alloy by ECAP and various aging treatments 2018.02
Tokyo Institute of Technology Department of Metallurgical Engineering Doctor Course Completed
Tokyo Institute of Technology Department of Metallurgical Engineering Master Course Completed
Tokyo Institute of Technology Department of Metallurgical Engineering Graduated
Doctor of Engineering - Tokyo Institute of Technology
Duty Yokohama National UniversityFaculty of Engineering Division of Systems Research Professor
Duty Yokohama National UniversityFaculty of Engineering Division of Materials Science and Chemical Engineering Professor
Duty Yokohama National UniversityFaculty of Engineering Division of Materials Science and Chemical Engineering Associate Professor
Concurrently Yokohama National UniversityGraduate school of Engineering Science Department of Mechanical Engineering, Materials Science and Ocean Engineering Professor
Concurrently Yokohama National UniversityCollege of Engineering Science Department of Mechanical Engineering, Materials Science and Ocean Engineering Professor
Assistant Professor of Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology Research Assistant
University of Oxford Research Associate of Department of Materials
Technology and Medicine Department of Materials, Imperial College of Science Visiting Researcher
Japan Society for the Promotion of Science Special researcher of the Japan Society for the Promotion of Science
Japan Institute of Light Metals
自動車技術会
Japan Institute of Metals
日本鉄鋼協会
Japan Society for Heat Treatment
Nanotechnology/Materials / Metallic material properties
Nanotechnology/Materials / Structural materials and functional materials
Nanotechnology/Materials / Material processing and microstructure control
TEM内その場引張試験と転位動力学法よるアルミニウム合金のナノ析出強化 機構の解明
Grant-in-Aid for Scientific Research
Project Year： 2021.4 - 2024.3
Development of age-hardening technology for ultrafine-grained aluminum alloys processed by severe plastic deformation
Project Year：
アルミニウム合金の高剛性化を実現する合金設計指導原理の確立
Project Year：
Development of new fabrication process of Al-Mg-Si alloy sheets for body-panels of automobiles
Project Year：
Development of novel heat-resistant aluminum alloys
Project Year：
Advanced Materials in Aerospace Engineering "Three strategies to achieve concurrent strengthening by ultrafine-grained and precipitation hardenings for severly deformed age-hardenable aluminum alloys"
S. Hirosawa（ Role： Contributor , "Three strategies to achieve concurrent strengthening by ultrafine-grained and precipitation hardenings for severely deformed age-hardenable aluminum alloys"）
Trans Tech Publications Inc.
Language：English Book type：Scholarly book
自動車の軽量化テクノロジー～材料・成形・接合・強度、燃費・電費性能の向上を目指して～
山根健ほか計34名（ Role： Contributor , 第１章第２節第１項 巨大ひずみ加工と時効析出強化を並立させる新規アルミニウム合金の開発）
株式会社 エヌ・ティー・エス （ ISBN:9784860434113 ）
Total pages：342 Language：Japanese Book type：Scholarly book
ナノマテリアル工学大系 第2巻ナノ金属
井上明久監修（ Role： Contributor , 第７章 第４節 モンテカルロ法を用いた計算機シミュレーション）
フジ・テクノシステム （ ISBN:4938555980 ）
Total pages：880 Language：Japanese Book type：Scholarly book
Microstructure Evolution and Role of Microalloying Elements in Phase Decomposition of Al-Li-Cu Base Alloys
Shoichi Hirosawa
Doctral thesis of Tokyo Institute of Technology 1998.3
Doctoral Thesis Single Work
Al-Li-Cu-Zr系合金の析出組織および機械的性質に及ぼす微量添加元素の影響
廣澤 渉一
1995.3
Master Thesis Single Work
東京工業大学理工学研究科金属工学専攻
次世代の航空・宇宙用材料として期待されるAl-Li合金に種々のマイクロアロイング元素を添加し、引張試験による機械的性質の評価やTEM観察による微視的組織解析を行い、従来よりも軽量・高強度なAl-Li-Cu-Mg-Ag-Zr合金を新たに開発した
Homogeneous Strain Introduction Using Reciprocation Technique in High-Pressure Sliding
Masuda Takahiro, Fujimitsu Kazushige, Sumikawa Kosei, Kajita Takahiro, Tang Yongpeng, Hirosawa Shoi … Show more authors
Masuda Takahiro, Fujimitsu Kazushige, Sumikawa Kosei, Kajita Takahiro, Tang Yongpeng, Hirosawa Shoichi, Takizawa Yoichi, Yumoto Manabu, Otagiri Yoshiharu, Horita Zenji Hide authors
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE 52 ( 9 ) 3860 - 3870 2021.9 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Joint Work
Continuous high-pressure torsion of pure Al and Al-2 wt% Fe alloy using multi-wires
Masuda Takahiro, Hirosawa Shoichi, Horita Zenji
JOURNAL OF MATERIALS SCIENCE 56 ( 14 ) 8679 - 8688 2021.2 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Publisher：Springer Science+Buisiness Media Joint Work
Other Link： https://link.springer.com/article/10.1007/s10853-020-05484-8
Liu Dan-yang, Li Jin-feng, Liu Tian-le, Ma Yun-long, Iwaoka Hideaki, Hirosawa Shoichi, Zhang Kai, Z … Show more authors
Liu Dan-yang, Li Jin-feng, Liu Tian-le, Ma Yun-long, Iwaoka Hideaki, Hirosawa Shoichi, Zhang Kai, Zhang Rui-feng Hide authors
Materials Characterization 170 110676-1 - 110676-11 2020.12 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier Joint Work
Other Link： https://www.sciencedirect.com/science/article/pii/S1044580320321471
Kasama Ryota, Iwaoka Hideaki, Umeda Yuto, Tang Yongpeng, Hirosawa Shoichi, Watanabe Hiroyuki, Fujit … Show more authors
Kasama Ryota, Iwaoka Hideaki, Umeda Yuto, Tang Yongpeng, Hirosawa Shoichi, Watanabe Hiroyuki, Fujita Masashi Hide authors
Materialia 14 100911-1 - 100911-8 2020.12 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier Joint Work
Other Link： https://www.sciencedirect.com/science/article/pii/S2589152920303276
D. Liu, Y. Ma, J. Li, R. Zhang, H. Iwaoka and S. Hirosawa
Materials characterization 167 110528 2020.7 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Publisher：Elsevier Joint Work
The evolution of precipitate microstructures of the Al-1.0wt%Cu-2.5wt%Li alloys with different micro-alloyed elements addition was investigated during ageing at 175 °C together with the mechanical properties and corrosion resistance. It was found that the Al-Cu-Li alloy with Zn addition possesses not only higher yield strength but also improved intergranular corrosion resistance, compared with the alloy with Mg addition. The corresponding precipitate microstructures were greatly affected by Zn or Mg micro-alloyed element addition, for example, with Zn addition the δ′-Al3Li, T1-Al2CuLi and θ′-Al2Cu (and θ″) phases were formed within grains, whereas the coarse TB-Al7Cu4Li phase and the T1 phases appeared at grain boundaries (GBs). In contrast, the Al-Cu-Li alloy with Mg addition possessed the δ′, T1 and S′-Al2CuMg phases within grains, while the coarse Alsingle bondCu phase and T1 phases were present at GBs. The alloy with combined Zn + Mg addition exhibited a duplex microstructure of the two alloys, resulting in lower mechanical strengths but the intermediate corrosion resistance. Therefore, the increased amount of Zn-containing coarsened TB phase at GBs was found to improve the corrosion resistance of the alloy with Zn addition, due to the smaller potential difference between the GB precipitates and the adjacent zones.
Other Link： https://doi.org/10.1016/j.matchar.2020.110528
GOTO Koji, KITANAKA Kenta, HIROSAWA Shoichi
PLASTOS 4 ( 37 ) 8 - 12 2021.1 [Reviewed] [Invited]
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Publisher：The Japan Society for Technology of Plasticity Joint Work
Nano-Scale Imaging by Three-Dimensional Atom Probe
Shoichi HIROSAWA
Bunseki ( 5 ) 186 - 192 2019.5 [Reviewed] [Invited]
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Publisher：The Japan Society for Analytical Chemistry Single Work
Other Link： http://www.jsac.or.jp/bunseki/201905.html
Phase Diagram of Aluminum Alloys and their Application to Precipitate Phenomena
Shoichi HIROSAWA
Bulletine of The Iron and Steel Institute of Japan 24 ( 5 ) 43 - 48 2019.5 [Reviewed] [Invited]
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Single Work
Other Link： https://y100.isij.or.jp/ferrum/
車体の軽量化を実現するアルミニウム合金の自動車部材への適用
廣澤渉一
工業材料 65 ( 12 ) 26 - 30 2017.12 [Reviewed] [Invited]
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media) Publisher：日刊工業新聞社 Single Work
HIROSAWA Shoichi,Tang Yongpeng,Horita Zenji,Matsuda Kenji,Lee Seungwon,Terada Daisuke
Materia Japan 55 ( 2 ) 45 - 52 2016.2 [Reviewed] [Invited]
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (scientific journal) Publisher：Japan Institute of Metals Joint Work
Other Link： https://www.jstage.jst.go.jp/article/materia/55/2/55_55.45/_article/-char/ja/
アルミニウム合金板の成形方法
廣澤渉一、前野智美、金准模、成谷光二、鈴木欣
Applicant：横浜国立大学。ジーテクト
Application no：特願2021-161291 Date applied：2021.9.30
建築構造用アルミニウム焼結合金及び製造方法
廣澤渉一、八高隆雄（横浜国大）、久保田正広（日大）、藤井文徳（アルミニウム建築構造協議会）、泉正史（日本アルミニウム協会）
Applicant：日本アルミニウム協会、横浜国立大学
Application no：特願2018-196819 Date applied：2018.10.18
Announcement no：特開2020-63489 Date announced：2020.4.23
Country of applicant：Domestic
アルミニウム基合金
渡邊博之 廣澤渉一
Applicant：本田技研工業株式会社 国立大学法人横浜国立大学
Application no：特願2016-010567 Date applied：2016.1.22
Announcement no：特開2017-128780 Date announced：2017.7.27
Country of applicant：Domestic
アルミニウム合金板
廣澤渉一、越能悠貴、有賀康博、宍戸久郎、松本克史
Application no：特願2014-161441 Date applied：2014.8.7
Announcement no：特開2016-037632 Date announced：2016.3.22
Patent/Registration no：6204298 Date issued：2017.9.8
Country of applicant：Domestic
アルミニウム合金板
廣澤渉一、有賀康博、宍戸久郎、松本克史
Applicant：横浜国立大学、神戸製鋼所
Application no：特願2013-136459 Date applied：2013.6.28
Announcement no：特開2015-010259 Date announced：2015.1.19
Country of applicant：Domestic
日本金属学会功績賞
2015.3 日本金属学会
Individual or group name of awards：廣澤渉一
軽金属躍進賞
2014.11 軽金属学会、軽金属奨学会
Individual or group name of awards：廣澤渉一
Light Metals Paper Prize
2010.11
Elucidation of nano-precipitate strengthening mechanism in aluminum alloys by in-situ tensile-testing TEM observation and dislocation dynamics
2021.4 - 2024.3
Grant-in-Aid for Scientific Research Grant-in-Aid for Scientific Research(B)
Investigator(s)：Shoichi HIROSAWA
Grant type：Competitive
超音波印加加工処理によるアルミニウム合金板材の成形性および表面品質の向上
2010.4 - 2013.3
科学研究費補助金 Grant-in-Aid for Scientific Research(C)
Investigator(s)：廣澤渉一
Grant type：Competitive
アルミニウムの高剛性化を図る合金設計および熱処理方案の構築
2017.4 - 2019.3
Local Government 軽金属奨学会課題研究
Investigator(s)：廣澤渉一
Development of novel wrought aluminum alloys concurrently strengthened by ultrafine-grained and precipitation hardenings and establishment of guidelines for the innovative alloy designing
2011.10 - 2017.3
Japan Science and Technology Agency Collaborative Research Based on Industrial Demand "Heterogeneous Structure Control: Towards Innovative Development of Metallic Structural Materials"
Investigator(s)：Shoichi HIROSAWA
Improvement of Elastic Moduli and the Underlying Mechanism of Aluminum Alloys Subjected to Aging Treatments
Shoichi Hirosawa
Materials Research Meeting 2021 (MRS 2021) 2021.12
Event date： 2021.12
Language：English Presentation type：Oral presentation (general)
Venue：Yokohama
Establishment of Alloy Design and Heat Treatment Procedure for Improving Elastic Moduli of Aluminum
Shoichi Hirosawa [Invited]
International Union of Materials Research Societies - International Conference in Asia 2021 (IUMRS-ICA 2021) 2021.10
Event date： 2021.10
Language：English Presentation type：Oral presentation (invited, special)
Venue：Online
急冷凝固粉末を用いた耐火性能に優れたAl-15%Fe合金押出材の開発
堀和也、廣澤渉一、久保田正広、八高隆雄、染谷朝幸、藤井文徳、佐々木徹
第140回軽金属学会春期大会（急冷凝固粉末を用いた耐火性能に優れたAl-15%Fe合金押出材の開発） 軽金属学会
Event date： 2021.5
Language：Japanese Presentation type：Oral presentation (general)
Venue：オンライン
Three strategies to achieve concurrent strengthening by ultrafine-grained and precipitation hardenings for severely deformed age-hardenable aluminum alloys
S. Hirosawa, Y. Tang, Z. Horita, S. Lee, K. Matsuda, D. Terada
The 17th International Conference on Aluminum Alloys (ICAA17)
Event date： 2020.10
Language：English Presentation type：Oral presentation (general)
Venue：オンライン
超微細粒強化と時効析出強化を並立させる新規アルミニウム合金展伸材の開発とその合金設計指導原理の確立
廣澤渉一
JST産学共創基礎基盤研究プログラム「ヘテロ構造制御」産学共創の場 科学技術振興機構
Event date： 2019.10
Language：Japanese Presentation type：Poster presentation
Venue：科学技術振興機構 東京本部別館 1階ホール
軽金属奨学会課題研究「アルミニウムの高剛性化を図る合金設計および熱処理方案の構築」
Offer organization: 軽金属奨学会 Funded Research offered by Enterprises
Project Year： 2017.4 - 2019.3
Japan Science and Technology Agency (JST) under Collaborative Research Based on Industrial Demand "Heterogeneous Structure Control: Towards Innovative Development of Metallic Structural Materials"
Cooperative Research within Japan
Project Year： 2011.10 - 2017.3
アルミニウム合金の高温長時間保持後の特性予測
Funded Research offered by Enterprises
Project Year： 2017.4 - 2019.3
自動車用アルミニウム合金の焼付塗装硬化特性に関する研究
Funded Research offered by Enterprises
Project Year： 2012.4 -
アルミニウム合金の成形後人工時効レスホットスタンピングの開発
Offer organization: ジーテクト Cooperative Research within Japan
Project Year： 2019.4 - 2021.3
2022 Thermodynamics
College of Engineering Science
2022 Microstructure Control Studio
Graduate school of Engineering Science
2022 Advanced Materials Engineering
Graduate school of Engineering Science
2022 Leading-edge Materials Engineering
Graduate school of Engineering Science
2022 Materials Fabrication Studio
Graduate school of Engineering Science
金属工学実験
Institution：東京工業大学
公益社団法人 軽金属学会
2021.6 - 2023.6 理事、編集委員長
Committee type：Academic society
経済産業省 産業構造審議会
2019.2 - 2024.1 臨時委員
Committee type：Government
公益社団法人 自動車技術会 材料部門委員会
2018.4 - 2024.3 委員
Committee type：Academic society
公益社団法人日本金属学会 代議員
2016.4 - 2020.4 代議員
Committee type：Academic society
一般社団法人 日本アルミニウム協会 産学懇談会 委員
2021.6 - 2023.5 一般社団法人 日本アルミニウム協会 産学懇談会 委員
Committee type：Academic society
軽金属セミナー「アルミニウム合金の組織－中級編（時効析出）」
Role(s)： Lecturer
軽金属学会 2022.1
Audience： Researchers
Type：Seminar, workshop
軽金属セミナー「アルミニウム合金の組織－中級編（時効析出）」
Role(s)： Lecturer
軽金属学会 2021.10
Audience： Researchers
Type：Seminar, workshop
軽金属セミナー「アルミニウム合金の組織－中級編（時効析出）」
Role(s)： Lecturer
軽金属学会 2020.2
Audience： Researchers
Type：Seminar, workshop
非鉄金属産業講演・工場見学会 「非鉄金属元素の諸性質と材料選択の考え方－君は20種類の金属元素を判別できるか－」
Role(s)： Lecturer
非鉄金属ネットワーク協議会 日本アルミニウム協会 2019.11
Audience： University students, Graduate students, Researchers, Scientific organization
Type：Lecture
横浜市立南高等学校模擬講義「周期表と金属元素」
Role(s)： Lecturer
横浜市立南高等学校 2019.11
Audience： High school students
Type：Visiting lecture
