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1997 Fiscal Year Final Research Report Summary

Rapid Evaluation for Aging of Aluminum Alloys by Chronoamperometry

Research Project

Project/Area Number 07651007
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 工業物理化学
Research InstitutionSuzuka National College of Technology

Principal Investigator

KANEMATSU Hideyuki  Suzuka National College of Technology, Department of Materials Science and Engineering, Associate Professor, 材料工学科, 助教授 (10185952)

Project Period (FY) 1995 – 1997
Keywordschronamperometry / aluminum alloys / aging / chronpotentiometry / C / C composites / stainless steels / graphitization / sensitization
Research Abstract

Recently, materials for automobiles, aircraft etc. are investigated for the improvement of strength to weight ratio, since the vehicles are often used in the situation of high speed. Therefore, the high strength is also required for aluminum alloys. Its strength is realized due to aging. Then I started this study where electrochemical evaluation for aging of aluminum alloys three years ago. In this study, cyclic voltammetry, chronoamperometry and chronopotentiometry were utilized as electrochemical technique for the purpose. In these three years between 1995 and 1997, the following five points were obtained :
1. The aging of Al-Zn-Mg alloys utilized for aircraft was investigated, using cyclic voltammetry, chronoamperometry and chronopotetiometry.
2. The aging of Multicomponent aluminum alloys, Al-Si-Cu-Ni-Mg alloys utilized for automobile pistons was investigated electrochemically.
3. The possibility of chronopotentiometry as well as that of chronoamperometry was investigated. The former technique was applied to the mesaurement of aging for Al-Mg alloys.
4. Various ekectrochemical techniques like chronoamperometry were also applied to the sensitization of SUS 316 steels as well as that of SUS304 steels.
5. Various electrochemical techniques were also applied to the graphitization of carbon-carbon composites based on Pitch and PAN fibers.
All of these results indicate that various electrochemical techniques like chronoamperometry, chronopotentiometry and cyclic voltammetry can be applied to evaluate for the transformation of various metallic materials induced by heating.

  • Research Products

    (20 results)

All Other

All Publications (20 results)

  • [Publications] H.Kanematsu: "Aging of Al-Zn-Mg and Its Transient Response in Aqueous Solution" Extended Abstract of 46th ISE Annual Meeting. 46. 7-28 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Kanematsu: "Graphitization of C/C Conposites and their Cyclic Voltammograms in Dilute Sulfuric Acid" Journal of High Temperature Materials and Processes. 15. 63-72 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 村上 和美: "熱処理温度を変えたPAN系C/Cコンポジット表面のX線回析およびCV特性" 表面技術. 47. 633-637 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 兼松 秀行: "C/Cコンポジットの黒鉛化度と表面酸化物挙動" 電気化学および工業物理化学. 64. 972-977 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 兼松 秀行: "定電位スラップクロノアンペロメトリー法によるSUS304鋼鋭敏化度の迅速評価" 熱処理. 37. 42-47 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Kanematsu: "Aging of al-Mg alloy and Its Trangent Response in NaCl Solution by Digitizing Oscilloscope" Memoirs of Suzuka National College of Technology. 30. 75-81 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Kanematsu: "Electrochemical Evaluation of Aging of Al-Zn-Mg Alloys" Journal of High Temperature Materials and Processes. 16. 77-85 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 兼松 秀行: "Al-Mg合金の時効のクロノポテンシオメトリー評価" 熱処理. 37. 88-93 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 国枝 義彦: "カーボンファイバーの表面酸化物挙動への異方性の影響" 電気化学および工業物理化学. 65. 747-752 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Kanematsu: "Electrochemical Evaluation for Aging of a Multicomponent Aluminum Alloy" Aluminium. (in print). (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] H.Kanematsu, T.Inoue, Y.Kunieda, T.Oki: "Aging of Al-Zn-Mg Alloys and its Transient Responese in Aqueous Solution" Extended Abstracts of 46^<th> Annual Meeting. Vol, 46. 7-28 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Kanematsu, Y.Kunieda, Y.Yokoi, T.Inoue, K.Murakami, T.Oki: "Graphitization of C/C Composites and Their Cyclic Voltammograms in Dilute Sulfuric Acid" The Journal of High Temperature Materials and Processes. Vol.15. 63-72 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Murakami, Y.Kunieda, H.Kanematsu, T.Oki: "X-ray Diffraction Analysis and Cyclic Voltammograms on the Surface of C/C Composites Prepared Using PAN-Based Fiber at Different Heat Treatment Temperatures" The Journal of Japan Surface Finishing Society. Vol.47. 633-637 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Kanematsu, J.Yokoi, Y.Kunieda, J.Okabe: "Graphitization and Behavior of Surface Oxide of C/C Composite" Denki Kagaku. Vol.64. 972-977 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Kanematsu, T.Inoue, Y.Kunieda, T.Oki: "Rapid Evaluation of Sensitization of SUS 304 Steel Using Potential Step Chronoamperometry" The Journal of Japan Heat Treatment Society. Vol.37. 42-47 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Kanematsu, T.Inoue, Y.Kunieda, T.Oki: "Aging of Al-Mg Alloy and Its Transient Responses in NaCl Solution by Digitizing Oscilloscope" Memoirs of Suzuka National College of Technology. Vol.30. 75-81 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Kanematsu, T.Inoue, Y.Kunieda, T.Oki: "Electrochimical Evaluation of Aging of Al-Zn-Mg Alloys" The Journal of High Temperature Materials. Vol.16. 77-85 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Kanematsu, T.Inoue, Y.kunieda, T.Oki: "Chronopotentiometric Evaluation of Aging for Al-Mg Alloys" The Journal of Japan Heat Treatment Society. Vol.37. 88-93 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Y.Kunieda, T.Yamauchi, H.Kanematsu, J.Okabe, T.Inoue, H.Shimofuruya, H.Kuwabara, K.Murakami: "Effect of Anisotropy on Behavior of Surface Oxide of Carbon Fiber" Denki Kagaku. Vol.65. 747-752 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] H.Kanematsu, T.Inoue, Y.Kunieda, R.Ichino, T.Oki: "Electrochemical Evaluation for Aging Of a Multicomponet Aluminum Alloy" Alumimium. (in print). (1998)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1999-03-16  

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