高速変位計測装置を用いたFRP積層板の動的層間破壊靭性の測定 Measurement of Dynamic Interlaminar Fracture Toughness of FRP Laminates Using Dynamic Displacement Measuring Apparatus

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Dynamic mode II and mixed-mode interlaminar fracture toughnesses of CFRP laminates were measured using an instrumented impact testing system at a low impact speed (0.9 m/s). The system consists of a drop weight impact tester and a dynamic displacement measuring apparatus constructed of an optical fiber, a position sensing detector and a laser light source. The results show that if load data obtained from the strain gage installed at the dart is used to estimate the dynamic Interlaminar fracture toughness, it can cause the overestimation of the dynamic toughness and results in an erroneous understanding of the experimental results. It is also shown that the dynamic toughness can be evaluated accurately based on the displacement data measured by the displacement measuring apparatus. It is thus concluded that the displacement-based analysis is more accurate and reliable than the load-based analysis in the measurement of the dynamic interlaminar fracture toughness of FRP laminates.

収録刊行物

  • 日本複合材料学会誌 = Journal of the Japan Society for Composite Materials  

    日本複合材料学会誌 = Journal of the Japan Society for Composite Materials 23(5), 182-188, 1997-09-15 

    JAPAN SOCIETY FOR COMPOSITE MATERIALS

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各種コード

  • NII論文ID(NAID)
    10002465187
  • NII書誌ID(NCID)
    AN00196748
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03852563
  • NDL 記事登録ID
    4292183
  • NDL 雑誌分類
    ZM16(科学技術--科学技術一般--工業材料・材料試験)
  • NDL 請求記号
    Z14-655
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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