755 CFRP/Al アクティブ積層材の作製と特性評価  [in Japanese] Fabrication of CFRP/Al Active Laminates and Their Evaluation  [in Japanese]

This paper describes fabrication and evaluation of the active laminate proposed by Asanuma. It was made by hot-pressing of high strength aluminum alloy plates as a high CTE material, a unidirectional CFRP prepreg as a low CTE material and an electric resistance heater, a unidirectional KFRP prepreg as a low CTE material and an insulator between them, and copper foils as electrodes. In this study, curvature change and output force of them were examined and compared with those of the active laminate using a pure aluminum plate. The curvatures of all of the active laminates were linearly changed as a function of temperature up to the temperature of 413K, but above this temperature, a hysteresis loop of curvature appeared during a thermal cycle only in the case of using the pure aluminum plate. The active laminates using the aluminum alloys generated higher forces than that of using the pure aluminum plate above the temperature of about 380K. According to the results, advantages of using the high strength aluminum alloys instead of using pure aluminum were clarified.