Ryutaro Hino

Last Updated :2026/06/30

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Associate Professor
Web Site
http://home.hiroshima-u.ac.jp/eplabo/
E-mail
rhinohiroshima-u.ac.jp
Self-introduction
Research fields: Metal forming, Engineering elasto-plasticity, Optimization in metal forming Research subjects: Deformation behavior and formability of high-strength steel sheets, various clad sheet metals or sheet metal laminates Forming limit and springback of sheet metals Incremental sheet forming assisted by dynamic local heating for lightweight hard-to-form sheet metals Optimum process design in metal forming

Basic Information

Academic Degrees

  • Dr. Eng., Hiroshima University

Educational Activity

  • [Bachelor Degree Program] School of Engineering : Cluster 1(Mechanical Systems, Transportation, Material and Energy) : Program of Material Processing
  • [Master's Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Mechanical Engineering Program
  • [Doctoral Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Mechanical Engineering Program

In Charge of Primary Major Programs

  • Mechanical System Engineering

Research Fields

  • Engineering;Mechanical engineering;Production engineering / Processing studies
  • Engineering;Mechanical engineering;Materials / Mechanics of materials

Research Keywords

  • metal forming
  • Sheet Metal Forming
  • Forming Limit
  • Springback
  • Incremental Forming
  • Local Heating
  • optimization
  • Sheet Metal Laminates
  • Perforated Sheet Metal

Affiliated Academic Societies

  • The Japan Society for Technology of Plasticity, 1994
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  • The Japan Society of Mechanical Engineers, 1990
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  • The Iron and Steel Institute of Japan, 2004
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Educational Activity

Course in Charge

  1. 2026, Undergraduate Education, First Semester, Experiments in Mechanical Engineering I
  2. 2026, Undergraduate Education, First Semester, Experiments in Mechanical Engineering
  3. 2026, Undergraduate Education, First Semester, Computer Aided Design
  4. 2026, Undergraduate Education, First Semester, Computer Aided Design
  5. 2026, Undergraduate Education, 2Term, Fundamentals of Materials Processing
  6. 2026, Undergraduate Education, 2Term, Fusion Processing and Plastic Working I
  7. 2026, Undergraduate Education, 1Term, Theory of Elasticity and Plasticity
  8. 2026, Undergraduate Education, 4Term, Measurement Signal Processing
  9. 2026, Undergraduate Education, Year, Graduation Thesis
  10. 2026, Undergraduate Education, 3Term, Optimization of Structural and Process Design
  11. 2026, Graduate Education (Master's Program) , 1Term, Special Exercises on Mechanical Engineering A
  12. 2026, Graduate Education (Master's Program) , 2Term, Special Exercises on Mechanical Engineering A
  13. 2026, Graduate Education (Master's Program) , 3Term, Special Exercises on Mechanical Engineering B
  14. 2026, Graduate Education (Master's Program) , 4Term, Special Exercises on Mechanical Engineering B
  15. 2026, Graduate Education (Master's Program) , Year, Special Study on Mechanical Engineering
  16. 2026, Graduate Education (Master's Program) , 1Term, Theory of Engineering Elasto-plasticity
  17. 2026, Graduate Education (Master's Program) , 3Term, Optimization of Structural and Process Design
  18. 2026, Graduate Education (Master's Program) , Intensive, Special Lecture on Mechanical Engineering F
  19. 2026, Graduate Education (Doctoral Program) , Year, Special Study on Mechanical Engineering

Research Activities

Academic Papers

  1. Influence of a Wide Range of Bend-holding Time on Springback and Time-dependent Springback in Sheet Metal Bending, Proceedings of International Conference on Leading Edge Manufacturing in 21st Century : LEM21, 2025, 2025.11, 202512
    Link to Paper Search Results by DOI
  2. ★, Numerical Analysis of Time-Dependent Springback in L-Bending of Advanced High-Strength Steel Sheet Based on Unified Constitutive Model, MATERIALS TRANSACTIONS, 66(3), 366-375, 20250301
    Link to Paper Search Results by DOI
  3. Influence of Bend Holding on Springback and Time-Dependent Springback in Sheet Metal Bending, MATERIALS TRANSACTIONS, 65(10), 1373-1376, 20241001
    Link to Paper Search Results by DOI
  4. Estimation of fracture behavior of CFRP/CFRP adhesively bonded joints under mixed-mode conditions using a cohesive zone model, JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY, 38(19), 3618-3635, 20241001
    Link to Paper Search Results by DOI
  5. Plastic behavior of a film type of epoxy adhesive under a wide range of stress multiaxiality conditions, JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY, 38(16), 3008-3027, 20240817
    Link to Paper Search Results by DOI
  6. Estimation of Kinematic Hardening of Sheet Metals Based on Stress-Relaxation Behavior, Proceedings of the 14th International Conference on the Technology of Plasticity (ICTP2023), 297-304, 20230820
    Link to Paper Search Results by DOI
  7. Numerical study on the hot compression test for bulk metal forming application, SN APPLIED SCIENCES, 4(8), 202208
    Link to Paper Search Results by DOI
  8. Identification of parameters for characterization at high-temperature of 38MnVS6 steel used in hot forging processes, DYNA, 97(3), 288-294, 2022
    Link to Paper Search Results by DOI
  9. Friction Assessment in Hot Forging Operations Using Large-Scale Ring Compression Test, ASME International Mechanical Engineering Congress and Exposition, 85550, V02AT02A054, 20220125
  10. R-curve behavior of adhesively bonded composite joints with highly toughened epoxy adhesive under mixed mode conditions, INTERNATIONAL JOURNAL OF ADHESION AND ADHESIVES, 105, 202103
    Link to Paper Search Results by DOI
  11. Double-action bending for eliminating springback in hat-shaped bending of advanced high-strength steel sheet, INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, 106(5-6), 1855-1867, 202001
    Link to Paper Search Results by DOI
  12. Experimental investigation of stretch flangeability of high-strength steel sheets by means of in-plane stretch bending, Procedia Engineering, 207, 1928-1933, 20171115
    Link to Paper Search Results by DOI
  13. Elimination of springback of high-strength steel sheet by using additional bending with counter punch, JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 229, 199-206, 201603
    Link to Paper Search Results by DOI
  14. Forming Limits of Several High-Strength Steel Sheets under Proportional/Non-Proportional Deformation Paths, Advanced Materials Research, 939, 260-265, 201405
  15. Stiffness Improvement of Stamping Die by Means of Topology Optimization, Advanced Materials Research, 939, 266-273, 201405
  16. Effect of Counter Punch Pressure on Springback of High Strength Steel Sheet, Advanced Materials Research, 939, 305-312, 201405
  17. ★, Incremental forming with local heating by laser irradiation for magnesium alloy sheet, Procedia Engineering, 81, 2330-2335, 2014
  18. Deformation Behavior and Formability of Sheet Metal Laminate Consisting of Perforated Core Sheet and Thin Skin Sheets, Key Engineering Materials, 535-536, 254-257, 2013
  19. ★, Optimum Draw-beads Setting for Suppressing Wrinkle and Torsional Springback of Stepped-beam Model, Journal of the Japan Society for Technology of Plasticity, 53(620), 831-835, 201209
  20. Springback Prediction for 430SS Stainless Clad Aluminum Alloy Sheet by Using Accurate Cyclic Stress-Strain Response of Individual Layer, STEEL RESEARCH INTERNATIONAL, 343-346, 2012
  21. Numerical Optimization of Metal Forming Process, Mainly Sheet Metal Forming Problem, Journal of the Japan Society for Technology of Plasticity, 53(615), 307-311, 2012
  22. ★, Prediction of Forming Limits of High-Strength Steel Sheets in Stretch Forming Process Including Strain Path Changes, Journal of the Japan Society for Technology of Plasticity, 52(606), 821-827, 201107
  23. Elasto-Plasticity Behavior of High Strength Steel Sheet in Biaxial Stress Path Change, MATERIALS TRANSACTIONS, 51(10), 1814-1818, 201010
    Link to Paper Search Results by DOI
  24. Incremental Forming with Local Heating for Aluminum-Magnesium Alloy Sheet, STEEL RESEARCH INTERNATIONAL, 81(9), 946-949, 201009
    Link to Paper Search Results by DOI
  25. Bauschinger Effect on Springback of Clad Sheet Metals in Draw Bending, MATERIALS TRANSACTIONS, 51(7), 1364-1366, 201007
    Link to Paper Search Results by DOI
  26. Incremental Sheet Forming with Local Heating, Journal of the Japan Society for Technology of Plasticity, 51(591), 297-301, 201004
  27. ★, Air bending and springback of stainless steel clad aluminum sheet, Journal of Materials Processing Technology, 210(2), 272-278, 201001
    Link to Paper Search Results by DOI
  28. ★, INCREMENTAL SHEET FORMING WITH LOCAL HEATING FOR LIGHTWEIGHT HARD-TO-FORM MATERIAL, INTERNATIONAL JOURNAL OF MODERN PHYSICS B, 22(31-32), 6082-6087, 20081201
  29. NUMERICAL OPTIMIZATION OF SHEET METAL FORMING PROCESS USING NEW FRACTURE CRITERION, INTERNATIONAL JOURNAL OF MODERN PHYSICS B, 22(31-32), 5692-5698, 20081201
  30. Effects of strain rate, temperature and sheet thickness on yield locus of AZ31 magnesium alloy sheet, JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 201(1-3), 395-400, 20080526
    Link to Paper Search Results by DOI
  31. ★, A new algorithm for reduction of number of press-forming stages in forging processes using numerical optimization and FE simulation, INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, 50(5), 974-983, 200805
    Link to Paper Search Results by DOI
  32. ★, Optimum blank design for sheet metal forming based on the interaction of high- and low-fidelity FE models, ARCHIVE OF APPLIED MECHANICS, 75(10-12), 679-691, 200610
    Link to Paper Search Results by DOI
  33. Optimum Blank Design for Deep Drawing Using Interaction of High and Low Fidelity Simulation, 21st International Congress of Theoretical and Applied Mechanics (ICTAM04) CD-ROM Proceedings, 20040801
  34. Inverse approach to identification of material parameters of cyclic elasto-plasticity for component layers of a bimetallic sheet, International Journal of Plasticity, 19(12), 2149-2170, 20031201
  35. Springback of sheet metal laminates in draw-bending, JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 139(1-3), 341-347, 20030820
    Link to Paper Search Results by DOI
  36. Springback of sheet metal laminates in draw-bending, Journal of Materials Processing Technology, 139(1-3), 341-347, 20030801
  37. Optimum blank design for sheet metal forming process using high- and low-fidelity models, Short Papers of The Fifth World Congress of Structural and Multidisciplinary Optimization(WCSMO5), 5, 435-436, 20030501
  38. ★, Deformation Behavior in Stretch-Bending/Unbending for sheet Metal Laminates, Transactions of the Japan Society of Mechanical Engineers= Ser.A, 62(595), 753-760, 19960301
  39. ★, Fracture Load in Stretch Bending for Sheet Metal Laminates, Transactions of the Japan Society of Mechanical Engineers= Ser.A, 61(592), 2560-2565, 19951201

Invited Lecture, Oral Presentation, Poster Presentation

  1. Estimation of Kinematic Hardening of Sheet Metals Based on Stress-Relaxation Behavior, Kouki Matsugi, Kazuhiro Ikeda, Takumi Araki, Ryutaro Hino, The 14th International Conference on the Technology of Plasticity (ICTP2023), 2023/09/24, Without Invitation, English, Mandelieu - La Napoule, France
  2. In-plane stretch-bending test for determination of large-strain workhardening and fracture of sheet metals, Ryutaro Hino, Gustavo Capilla, Hiroshi Hamasaki, Koudai Watanabe, Fusahito Yoshida, The 13th International Conference on the Technology of Plasticity (ICTP 2020), 2021/07/28, With Invitation, English, Online
  3. Fracture of High Strength Steel Sheets in In-plane Stretch Bending, Ryutaro Hino, Koudai Watanabe, Fusahito Yoshida, The 14th Asia-Pacific Symposium on Engineering Plasticity and its Applications (AEPA2018), 2018/12/04, Without Invitation, English, Jeju island, Korea
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  4. Experimental investigation of stretch flangeability of high-strength steel sheets by means of in-plane stretch bending, Ryutaro Hino, Tsuyoshi Kuzukawa, Fusahito Yoshida, The 12th International Conference on Technology of Plasticity (ICTP2017), 2017/09/18, Without Invitation, English
  5. Incremental forming with local heating by laser irradiation for magnesium alloy sheet, Ryutaro Hino, Keita Kawabata, Fusahito Yoshida, 11th International Conference on Technology of Plasticity (ICTP2014), 2014/10/22, Without Invitation, English, T. Ishikawa (Nagoya University) and K. Mori (Toyohashi University of Technology), Nagoya

Awards

  1. 2012/06/07, JSTP Best Paper Award, Japan Society for Technology of Plasticity, Prediction of Forming Limits of High-Strength Steel Sheets in Stretch Forming Process Including Strain Path Changes
  2. 2012/06/07, JSTP Medal for Scientific Achievement, Japan Society for Technology of Plasticity, Study on formability, forming method and optimum forming process design for various sheet metals
  3. 2001/05, JSTP Award for Young Engineers, Japan Society for Technology of Plasticity, Deformation Behavior and Formability of Sheet Metal Laminates

External Funds

Acceptance Results of Competitive Funds

  1. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2022, 2024
  2. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2018, 2021
  3. KAKENHI, 2015, 2017
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  4. KAKENHI, Development of Lightweight Sheet Metal Laminate Consisting of Porous Core Layer and Thin Skin Sheets in Consideration of Press Formability, Strength and Rigidity, 2010, 2012
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Social Activities

Organizing Academic Conferences, etc.

  1. 13th Asia-Pacific Symposium on Engineering Plasticity and Its Applications (AEPA2016), AEPA2016 Committee, 2016/12, 2016/12
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History as Peer Reviews of Academic Papers

  1. 2025, Journal of Advanced Mechanical Design, Systems, and Manufacturing, Others, Reviewer, 1
  2. 2025, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Others, Reviewer, 1
  3. 2024, Journal of the Japan Society for Technology of Plasticity, Others, Reviewer, 2