2527 中空部形成によるアクティブラミネートの特性向上(J10-6 スマート構造材料,J10 知的材料・構造システム)

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This paper describes fabrication and evaluation of an active laminate having hollow channels to develop new functions such as cooling and healing. It was made by hot-pressing of an aluminum plate as a high CTE material, a unidirectional CFRP prepreg as a low CTE material and an electric resistance heater, a unidirectional GFRP prepreg as an insulator between them and copper foils as electrodes. Hollow channels were formed in the GFRP layer. Hot pressing condition was selected by experiments to shorten the time necessary to make its shape stable. The curvature of the active laminate having the hollow channels decreased with increasing volume fraction up to 0.75. The number of them was changed from 1 to 12 at a constant volume fraction of 0.3, but it didn't affect the curvature.
2007-09-07