Evaluation of the Polarization State of Integrated Piezoelectric Sensors and Actuators Using the Thermal Wave Method

Abstract:

In this work, we investigate the polarization state of a Low-Temperature-Cofired-Ceramics (LTCC)/PZT sensor-actuator and a Macro-Fiber Composite (MFC) actuator. An analytical solution for a 1-D thermal problem was derived for an embedded piezoelectric plate. Transient thermal analysis of the more complicated MFC actuator was performed using finite element modelling. At modulation frequencies below 10 Hz both modules are well described by a harmonically heated piezoelectric plate exhibiting heat losses to the environment.

• Periodical: Key Engineering Materials (Volume 543)
• Pages: 503-506
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.543.503
• Online since: March 2013
• Authors: Agnes Eydam, Gunnar Suchaneck, Gerald Gerlach
• Keywords: Integrated Piezoceramics, Piezoelectric Polarization, Thermal Wave Method

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