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Long life estimation of self-sensing CFRP structures

Research Project

Project/Area Number 19560074
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Materials/Mechanics of materials
Research InstitutionTokyo Institute of Technology

Principal Investigator

TODOROKI Akira  Tokyo Institute of Technology, 大学院・理工学研究科, 教授 (50211397)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2007: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
KeywordsCFRP / 電気抵抗 / めっき / 複合材料 / 損傷
Research Abstract

炭素繊維強化複合材料(CFRP)のはく離損傷は目視検査困難であり, CFRP構造の信頼性確保のために炭素繊維の導電性を利用した電気抵抗変化法による損傷モニタリングが研究されている. この方法には, CFRP構造に電極を設置する必要があり, 電極の信頼性がモニタリングシステムの信頼性に直結する. 本研究では, さまざまな電極を検討し, 長期繰り返し負荷試験を実施して, 信頼性の高い電極を用いた電気抵抗変化法を開発する.

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (4 results)

All 2008 2007

All Presentation (4 results)

  • [Presentation] Self-Sensing of Strain/Damage of CFRP using Electrical Resistance Changes2008

    • Author(s)
      Akira Todoroki
    • Organizer
      Proceedings of the 2008 SEM XI International Congress and Exposition on Experimental and Applied Mechanics
    • Place of Presentation
      Orlando, Florida, USA(CD-ROM 152)
    • Year and Date
      2008-06-05
    • Related Report
      2008 Final Research Report
  • [Presentation] Self-Sensing of Strain/Damage of CFRP using Electrical Resistance Changes2008

    • Author(s)
      Akira Todoroki
    • Organizer
      Proceedings of the 2008 SEM XI
    • Place of Presentation
      Orlando, Florida, USA
    • Year and Date
      2008-06-05
    • Related Report
      2008 Annual Research Report
  • [Presentation] Long term monitoring of electrical resistance change for CFRP using copper plating electrode2007

    • Author(s)
      Akira Todoroki, Rie Morihara and Ryosuke Matsuzaki
    • Organizer
      Proceedings of the 6th Korea-Japan Joint Symposium on Composite Materials
    • Place of Presentation
      Pohang, Korea(97-98)
    • Year and Date
      2007-11-01
    • Related Report
      2008 Final Research Report
  • [Presentation] Long term monitoring of electrical resistance change for CFRP using copper plating electrode2007

    • Author(s)
      Akira Todoroki
    • Organizer
      6th Korea-Japan Joint Symposium on Composite Materials
    • Place of Presentation
      韓国 浦項
    • Year and Date
      2007-11-01
    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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