Influence of Thermal Effusivity of Ceramic Dense Mold on Microwave-heating of Carbon Fiber Reinforced Plastic

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  • SHIMAMOTO Daisuke
    National Institute of Advanced Industrial Science and Technology
  • TOMINAGA Yuichi
    National Institute of Advanced Industrial Science and Technology
  • HOTTA Yuji
    National Institute of Advanced Industrial Science and Technology

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  • 炭素繊維強化樹脂のマイクロ波加熱にセラミックス緻密成形型の熱浸透率が及ぼす影響
  • タンソ センイ キョウカ ジュシ ノ マイクロハ カネツ ニ セラミックスチミツセイケイガタ ノ ネツ シントウリツ ガ オヨボス エイキョウ

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<p>In order to develop a novel high-speed forming method of carbon fiber reinforced plastic (CFRP) using microwave-irradiation, the heating condition of CFRP was investigated using mullite dense compact with low thermal effusivity (3.8 kJ/m2·s1/2·K) and alumina dense compact with high thermal effusivity (10.3 kJ/m2·s1/2·K) as a mold. It was found that mullite dense compact with low thermal effusivity was useful as a mold material for the novel high-speed forming method of CFRP using microwave-irradiation because the mullite dense compact could heat CFRP 1.25 times faster than the alumina dense compact. Furthermore, it was found that the thermal conductivity of the densified mullite compact was affected by the size of the sintered grains, and the densified mullite compact was a mold material having heat resistance and mechanical strength for CFRP molding conditions.</p>

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