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Thermal degradation of piezoceramic actuators due to integration into adaptronic components by die-casting

: Pfeiffer, T.; Nuffer, J.

Borgmann, H. ; Messe und Ausstellungs-GmbH, Bremen:
Actuator 2008. 11th International Conference on New Actuators & 5th International Exhibition on Smart Actuators and Drive Systems. Proceedings : 9-11 June 2008, Bremen, Germany; Conference proceedings
Bremen: HVG, Division Messe Bremen, 2008
ISBN: 3-933339-10-3
International Conference on New Actuators <11, 2008, Bremen>
International Exhibition on Smart Actuators and Drive Systems <5, 2008, Bremen>
Zeitschriftenaufsatz, Konferenzbeitrag
Fraunhofer LBF ()

During the last years, a strong interest in adaptive structures arose. One key question is the integration of the active components into the passive structures. Here, the feasibility of die-casting piezoceramic stack actuators in metal parts is investigated. Experimental investigations showed that depolarisation depends on the duration time, the temperature and the heat conductance value. The findings result in a depolarisation map which in the future will enable the user to choose non-destructive casting parameters.