CAI Strength of MR5OK/PETI5 Carbon/Tough-Polyimide Composite Material

DOI Web Site 9 References
  • KATOH Hisaya
    Advanced Composite Evaluation Technology Center, Institute of Space Technology and Aeronautics, Japan Aerospace Exploration Agency
  • SHIMOKAWA Toshiyuki
    Department of Aerospace Engineering, Tokyo Metropolitan Institute of Technology
  • UEDA Akira
    Department of Aerospace Engineering, Tokyo Metropolitan Institute of Technology
  • HAMAGUCHI Yasumasa
    Advanced Composite Evaluation Technology Center, Institute of Space Technology and Aeronautics, Japan Aerospace Exploration Agency
  • KOBAYASHI Daisuke
    Department of Aerospace Engineering, Tokyo Metropolitan Institute of Technology

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Other Title
  • 炭素繊維／高靭性ポリイミド樹脂複合材料ＭＲ５０Ｋ／ＰＥＴＩ５の衝撃後圧縮（ＣＡＩ）強度特性について
  • タンソ センイ コウジンセイ ポリイミド ジュシ フクゴウ ザイリョウ MR50K PET15 ノ ショウゲキ ゴ アッシュク CAI キョウド トクセイ ニ ツイテ

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Abstract

In this study CAI (Compression After Impact) strength of a carbon/tough-polyimide composite material, MR50K/PETI5, where PETI5 resin was newly developed for the next generation SST at NASA was investigated. First, impact damage was given to CAI specimens at room temperature and the load response was measured during the impact test and the damage of the specimens was observed by an ultra sonic C-scanner and 3-D ultrasonic inspection system. Second, CAI strength and failure strain at room and high temperatures were measured. Third, the damage caused by the CAI test was observed using an optical microscope. Test results are compared with those of T800H/PMR-15 carbon/polyimide composite, where PMR-15 is a typical brittle resin, and the characteristic CAI behavior and strength of a carbon fiber/highly-tough resin composite was clarified.

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