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On the Degradation for Shape Murovy Effect and Its Prevention on a Copper-Based Shape Memory Alloy

Research Project

Project/Area Number 60550514
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field 金属材料(含表面処理・腐食防食)
Research InstitutionKobe University

Principal Investigator

IKAI Yasushi  Faculty of Engng, Kobe University, Asociate Prof., 工学部, 助教授 (40031108)

Project Period (FY) 1985 – 1987
Project Status Completed (Fiscal Year 1987)
Budget Amount *help
¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 1987: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1986: ¥600,000 (Direct Cost: ¥600,000)
KeywordsCu-based Alloy / Shape Memory Alloy / Degradation / Long Range Order / Thermal Cycles / 自動車用素子 / 熱繰返し試験
Research Abstract

The results obtained are; 1. Degradation for shape memory effect on a to-Zu-Alalloy is observed to be acconrpanied by Long:-Range-Order parameter decvease. The rate of decrease is affected with pre-aging condition of the materia at the temperature abuve Af. The possibility of mantensite to howe its own L-R-O is not clear in the term of ageing of Two years. 2. Higher resistive Cu-based alloy for the degradation is des:guel with the helf of Simpolex method (an Ally Desigu Technigue) and resulted an alloy; As at 85 C, and 0.7% residual Shape Memory Stvain of ter 30,000 thermal cycles urrder 1% strain, and As shift less than 5 C. Cu-12.99Zn-12.26Al-2.95 Si-1.34Sn-0.79Mu-0.64Ni.

Report

(2 results)
  • 1987 Final Research Report Summary
  • 1986 Annual Research Report
  • Research Products

    (9 results)

All Other

All Publications (9 results)

  • [Publications] 猪飼靖: 水曜会誌. 20. 312-315 (1985)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Y.Hashiguchi et al.: Proc.ICOMAT(1986). 832-837 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 樋口浩史他: 日本金属学会誌.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] IKAI, Yasushi: "Simpolex Method for Alloy Design" Suiyo-Kawai-Shi. 20. 312-315 (1985)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Y. Hashiguchi et al: "The Crystal Structure and the Change in Long Rouge Orden of Thermoelastic Marteusite in a Cu-Zu-Al Alloy" Proc. ICOMAT(1986). 832-837 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] H.Higuchi et al: "Degradation of Long. Range Order Parameter by Aging in a Cu-Zu-AlAlloy" Trans. JIM.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 猪飼靖: 水曜会誌. 20. 312-315 (1985)

    • Related Report
      1986 Annual Research Report
  • [Publications] Y.Hashiguchi: Proc.ICOMAT. 832-837 (1986)

    • Related Report
      1986 Annual Research Report
  • [Publications] 樋口浩史: 日本金属学会誌.

    • Related Report
      1986 Annual Research Report

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Published: 1987-03-31   Modified: 2016-04-21  

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