339 アクティブラミネートの高性能・多機能化(知的材料・構造システムおよび複合機能化材料・デバイス(4),ものづくりにおける基礎研究と先端技術の融合)

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This paper describes the effect of humidity on the shape of the active laminate. 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. In this study, it was clarified that the curvature of the active laminate is increased by moisture absorption, and the saturated value is dependent on the environmental humidity. In addition, the curvature change is found to be repeatable in the experimental range. The curvature change decreases with increasing the temperature of specimen.
2010-11-27