織物C/C複合材料の層間せん断強さに及ぼす熱衝撃の影響 The Influence of Thermal Shock on Interlaminar Shearing Strength of Woven C/C Composites

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Although mechanical properties of carbon fiber reinforced carbon (C/C) composites under high temperature environment have nowadays been widly studied, the influence of thermal shock on C/ C composites have scarcely been investigated due to the lack of high-speed heating equipment. Ourequipment based on a high frequency induction heating method provided a solution. In the present study, we examined the influence of thermal shock on the interlaminar shearing strength (ILSS), which is one of the most important subjects of designing the plain woven C/C composites with a three point bending test. By the change of the span-to-height ratio (l/h), the failure mode shift of the interlaminar shearing to the bending was observed. By a series of tests, we proposed an appropriate l/h ratio to obtain a reliable interlaminar shearing strength of C/C composites, which would be higher than that for the conventional CFRPs. The observation of the fracture specimens was done by scanning electron microscopy (SEM) and optical microscopy. Not only 0°/90° inter-facial debonding but the expansion of transverse cracks were observed in the thermal shocked specimens. 0°/90° interfacial debondings were suggested to be the main source of the interlaminar shearing strength deterioration.

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 24(5), 183-191, 1998-09-15 

    JAPAN SOCIETY FOR COMPOSITE MATERIALS

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各種コード

  • NII論文ID(NAID)
    10002465650
  • 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
    4571782
  • 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  NDL  J-STAGE 
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