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Additive manufacturing of reliable piezoelectric actuator modules

: Stoffregen, H.A.; Abele, Eberhard; Flaschenträger, David; Melz, Tobias

Neugebauer, R. ; Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik -IWU-, Chemnitz; TU Chemnitz, Institut für Werkzeugmaschinen und Produktionsprozesse:
4th Scientific Symposium "Lightweight Design by Integrating Functions" 2013. Proceedings : CRC/Transregio 39; 26.-27. März 2013, Nuremberg
Nuremberg, 2013
ISBN: 978-3-00-044670-2
Scientific Symposium "Lightweight Design by Integrating Functions" <4, 2013, Nuremberg>
Conference Paper
Fraunhofer LBF ()
piezoelectric; additive manufacturing

In this study, selective laser melting is used to manufacture actuator modules by fully integrating piezoelectric multilayer actuators into a metallic housing. The objective is to protect the actuator from non-uniaxial forces and environmental influences, both of which limit performance and reliability. As an additive manufacturing technology, selective laser melting is capable of a flexible and cost-efficient production in small lot sizes. This is particularly relevant for adaptronic applications since these are often individualized and so far have a rather low but emerging market volume. The characterization of the manufactured actuator modules demonstrates good working performance, reproducible results, and improved reliability.