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Development of Computer-Assisted System for Microstructural Design and Control of Steel

Research Project

Project/Area Number 08305029
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Structural/Functional materials
Research InstitutionTohoku University

Principal Investigator

ISHIDA Kiyohito  Tohoku University, Graduate School of Engineering, Professor, 大学院・工学研究科, 教授 (20151368)

Co-Investigator(Kenkyū-buntansha) TANAKA Toshihiro  Osaka University, Graduate School of Engineering, Associate Professor, 工学部, 助教授 (10179773)
UMEMOTO Minoru  Toyohashi University of Science and Technology, Faculty of Engineering, Professo, 工学部, 教授 (90111921)
NAKAJIMA Hideo  Osaka University, The Institute of Scientific and Industrial Research, Professor, 産業科学研究所, 教授 (30134042)
ENOMOTO Masato  Ibaraki University, Faculty of Engineering, Professor, 工学部, 教授 (70241742)
OHTANI Hiroshi  Tohoku University, Center for Interdisciplinary Research, Associate Professor, 学際科学研究センター, 助教授 (70176923)
長谷部 光弘  九州工業大学, 工学部, 助教授 (70005552)
岡本 紘昭  朝日大学, 経営学部, 教授 (40233382)
Project Period (FY) 1996 – 1997
Project Status Completed (Fiscal Year 1997)
Budget Amount *help
¥9,100,000 (Direct Cost: ¥9,100,000)
Fiscal Year 1997: ¥4,600,000 (Direct Cost: ¥4,600,000)
Fiscal Year 1996: ¥4,500,000 (Direct Cost: ¥4,500,000)
KeywordsSteel / Database / Diffusion coefficient / Diffusion al Transformation / Phase Diagram / Microalloying Steel / Thermo-Mechanical Treatment / Computer Simulation / 計算機支援
Research Abstract

Computer-assisted system for microstructural design and control of steels has been developed, which is concerned with (i) construction of database of physical properties and (ii) computation al approach of kinetics of phase transformation. The results obtained are as follows.
1. The database on phase diagrams of iron base alloys has been constructed. The related papers after 1990 are collected which combines with the previous compilations by ASM International. This information is available for world -wide database service on the Internet by the use of an object-oriented database system MOOD.
2. The database on diffusion coefficient of iron base alloys has been constructed. The relation between diffusion coefficients and melting point is analyzed. This method is useful for the estimation of diffusion data where there is no experimental information.
3. The databease on the surface energy and viscosity of liquid phase in iron alloys has been constructed. The computational method of estimating surface energy is also presented.
4. The interaction between C and alloying elements in ferrite is evaluated and it strongly affects the creep strength of carbon steels.
5. Phase decomposition is predicted by computer simulation based on non-linear diffusion equation.
6. Effect of magnetic and chemical ordering on phase equilibria is clarified. It is shown that the interaction between magnetic and chemical ordering significantly affects the phase stability.
7. Solute drag effect is quantitatively analyzed when the grain boundary is moving.
8. The relation between mean grain radii and volume fractions of alpha and beta phases of dual-phase is established.

Report

(3 results)
  • 1997 Annual Research Report   Final Research Report Summary
  • 1996 Annual Research Report
  • Research Products

    (27 results)

All Other

All Publications (27 results)

  • [Publications] T.Nishizawa: "Examination of the Zenor Relationship between Grain Sire a〜d Particle" Mater.Trans.JIM. 38. 950-956 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Oikawa: "Effect of Ti Addition on the Formation of MnS Inclusions in Steel" ISIJ International. 37. 332-338 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Ohtani: "Solid/Liquid Phase Equilibria in Fe-Cu Based Ternary Systems" ISIJ International. 37. 207-216 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] M.Enomoto: "Influence of Interfacial Curvature on the Growth of a Spherical Precipitate" Scripta Metallurgica. 36. 625-632 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Nakajima: "Selj-diffusion and Interdiffusion in Intermetallic COmpounds" Mater.Sci.Eng.(発表予定). (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 田中 敏宏: "溶融鉄合金の表面張力と粘度" まてりあ. 36. 47-54 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Ishida: "Computational Materials Design(出版予定)" Springer-verlag, (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] T.Nishizawa: "Examination of the Zener Relationship between Grain Size and Particle" Mater.Trans.JIM. 38. 950-956 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K,Oikawa: "Effect of Ti Addition on the Formation of MnS Inclusions in Steel" ISIJ International. 37. 332-338 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Ohtani: "Solid/Liquid Phase Equilibria in Fe-Cu Based Ternary Systems" ISIJ International. 37. 207-216 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] M.Enomoto: "Influence of Interfacial Curvature on the Growth of a Spherical Precipitate" Scripta Metallurgica. 36. 625-632 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] H.Nakajima: "Self-diffusion and Interdiffusion in Intermetallic Compounds" Mater.Sci.Eng. (To be presented). (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] T.Tanaka: "Surface Tension and Viscosity in Molten Alloy Phases" Bull.Jap.Inst.Met.36. 47-54 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] K.Ishida: Phase Equilibria and Microstructural Control in Iron-Base Alloys. Springer.Verlag (To be published), (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] T.Nishizawa: "Examination of the Zener Relationship between Grain Size and Particle" Mater.Trans.JIM. 38. 950-956 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] K.Oikawa: "Effect fo Ti Addition on the Formation of MnS Inclusions in Steel" ISIJ International. 37. 332-338 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] H.Ohtani: "Solid/Liquid Phase Equilibria in Fe-Cu Based Ternary Systems" ISIJ International. 37. 207-216 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] M.Enomoto: "Influence of Interfacial Curvature on the Growth of a Spherical Precipitate" Scripta Metallurgica. 36. 625-632 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] H.Nakajima: "Self-diffusion and Interdiffusion in Intermetallic Compounds" Moter.Sci.Eng.(発表予定). (1998)

    • Related Report
      1997 Annual Research Report
  • [Publications] 田中敏弘: "溶融鉄合金の表面張力と粘度" まてりあ. 36. 47-54 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] K.Ishida: "Computational Materials Design" Springer-Verlag(出版予定), (1998)

    • Related Report
      1997 Annual Research Report
  • [Publications] K.Ishida: "Effect of grain size on grain boundary segregation" Journal of Alloys and Compounds. 235. 244-249 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] H.Ohtani: "Application of the CALPHAD method to material design" Thermochim.Acta. (発表予定). (1997)

    • Related Report
      1996 Annual Research Report
  • [Publications] H.Okamoto: "Fe-Ta (Iron-Tantalun)" Journal of Phase Equilibria. 17. 81-82 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] H.Nakajima: "Diffusion of Iron in a Dilute α-Ti-Fe Alloy" Scripta metallurgica et materialia. 34. 249-253 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Y.Saito: "Monte Calro Simulation of Grain Boundary Precipitation" Material Science and Engineering. (発表予定). (1997)

    • Related Report
      1996 Annual Research Report
  • [Publications] 小山敏幸: "離散型拡散方程式に基づくFe-Mo合金の相分解シミュレーション" 日本金属学会誌. 60. 560-568 (1996)

    • Related Report
      1996 Annual Research Report

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Published: 1996-04-01   Modified: 2016-04-21  

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