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Proceedings Paper

Novel methods of powder preparation and ceramic forming for improving reliability of multilayer ceramic actuators
Author(s): Craig D. Near; William J. Dawson; Scott L. Swartz; Jean Paul Issartel
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Paper Abstract

Critical components of many smart systems employ multilayer piezoelectric actuators based on lead zirconate titanate (PZT) ceramics. Applications include active vibration systems, noise suppression, acoustic camouflage, actuated structures, reconfigurable surfaces, and structural health monitoring. Two strategies involving novel materials processing techniques are discussed for improving the performance and reliability of PZT ceramic components. The first is the use of an advanced powder synthesis, which was recently developed for a range of DoD specification materials. The second strategy involves two improved ceramic manufacturing routes designed to replace the current tape casting and co-firing method. One is the use of roll- compaction for tape forming. The other is the application of the infiltrated electrode approach. Both of these methods provide improved electrical and mechanical performances and superior reliability.

Paper Details

Date Published: 23 July 1993
PDF: 9 pages
Proc. SPIE 1916, Smart Structures and Materials 1993: Smart Materials, (23 July 1993); doi: 10.1117/12.148496
Show Author Affiliations
Craig D. Near, Morgan Matroc, Inc. (United States)
William J. Dawson, Chemical Materials International (United States)
Scott L. Swartz, Battelle Memorial Institute/Columbus Div. (United States)
Jean Paul Issartel, Battelle Memorial Institute (Switzerland)


Published in SPIE Proceedings Vol. 1916:
Smart Structures and Materials 1993: Smart Materials
Vijay K. Varadan, Editor(s)

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