NDLI: Investigation of the Behavior of Multilayer Piezoelectric Actuators: Modeling and Experiments

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Gru¨nbichler, Hannes Kreith, Josef Bermejo, Rau´l Supancic, Peter Danzer, Robert
Copyright Year	2008
Abstract	Modern smart piezoelectrics such as low-voltage multilayer piezoelectric actuators consist of stacks of piezo-ceramic layers with interdigitated metallic electrodes in between. During their technical application mechanical stresses are an inherent loading scenario of such electro-mechanical converter components. Therefore, a detailed knowledge of the coupled phenomena among the field-type quantities such as mechanical stress, electrical field strength and temperature is absolutely necessary to guarantee demanded structural and functional integrity. A theoretical simulation is the only way to obtain these physical relevant field-quantities within piezo-electric devices. Hence, for FE-analysis of the highly nonlinear material behavior of piezoelectrics, basic modeling parameters have to be determined. Usually, such constitutive laws implemented into FEA-tools are parameterized by experiments as realized in this work.
Sponsorship	Aerospace Division
Starting Page	349
Ending Page	356
Page Count	8
File Format	PDF
ISBN	9780791843314
DOI	10.1115/SMASIS2008-445
e-ISBN	9780791838396
Volume Number	Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1
Conference Proceedings	ASME 2008 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
Language	English
Publisher Date	2008-10-28
Publisher Place	Ellicott City, Maryland, USA
Access Restriction	Subscribed
Subject Keyword	Piezoelectrics Multilayer piezoelectric actuator (mpa) Domain switching Ferroelectrics Pzt Thermo-piezoelectricity Constitutive modeling Material properties Modeling Piezoelectric actuators
Content Type	Text
Resource Type	Article

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