K-2310 連続・不連続SiC繊維強化アルミニウム複合材料をベースにしたアクティブマテリアルの創製(J03-1 知的要素技術(1))(J03 知的材料・構造システム)

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This paper describes development of SiC fiber/aluminum active composites using continuous and/or discontinuous fiber. In this study, the effects of fiber length and type of composite on its curvature were examined. Though the curvature of the composite decreased with decreasing fiber length from 60 to 5 mm, curvature change during heating and cooling cycles between room temperature and 813 K were clearly observed. In order to increase the strength of the active composite, continuously reinforced layer and discontinuously reinforced one were bonded together. The curvature of this composite could also reproducibly change during the heating cycles due to the difference of fiber length. The curvature of this type existed between continuous and discontinuous fiber type active composites.
2001-08-22