Abstract
A self-deployable composite structure using a partially flexible composite (PFC) with shape memory alloy wires is developed here. The fabrication process of the PFC is briefly mentioned first. The results of carbon fiber breakages during the folding process are investigated by using changes in electrical resistance. An SMA wire is embedded in the PFC to keep the folded configuration without loading and self-deployment is achieved using Joule heating. The results confirm that a flexible part of adequate length enables foldable composite structures without causing carbon fiber breakages, while the cyclic folding tests reveal that the PFC is reliable when a long flexible part is used. The embedded SMA wire realizes compactly folded composite panel structures without loading and Joule heating of the SMA wires enables self-deployable composite structures.
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