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Although piezoelectric materials such as PZT have been widely used as actuators in the field of active vibration suppression, the use of bare PZT as an actuator may cause some drawbacks such as critical breaks in the installation process, short circuits in the host material and low fatigue performance. To alleviate these problems, we developed a new actuator called a lightweight piezocomposite actuator...
The present study investigates the method of structural analysis and failure prediction of tape-wrapped structures that have been used in the conventional nozzle structures of rockets. Four-point bending test and its finite element analysis were performed to study how to model tape-wrapped structures and to investigate the failure characteristics of tape-wrapped structures. For dynamic characteristics,...
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