Abstract
This letter presents the analytical and experimental results of piezoelectrically generating bistability via Macro Fiber Composite (MFC) actuators. Two stable configurations are exhibited when piezoelectric strain anisotropy is induced within a [0MFC/90MFC]T laminate. This is achieved by bonding two MFCs in their actuated states and releasing the voltage post cure to create in-plane residual stresses. The resulting shapes are cylindrical and can be snapped through and back with only piezoelectric actuation. A [0MFC/90MFC]T laminate is modeled, manufactured, and experimentally characterized. This adaptive laminate functions as both the actuator and the primary structure and its snap through capability allows full configuration control necessary in morphing, without continuous energy input or any mechanical assistance.
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