Theoretical modeling and experimental characterization of rate and temperature dependent electromechanical behavior of piezocomposites
作者： R. Jayendiran , A. Arockiarajan
DOI: 10.1016/J.EUROMECHSOL.2017.11.008
关键词:
摘要: Abstract The rate-dependent piezoelectric behavior of 1–3 piezocomposite under thermal environment is presented. Thermo-electromechanical effective properties piezocomposites are evaluated based on the Finite Element (FE) resonant model. experimentally measured vibration modes for Length Extensional (LE) and Thickness (TE) resonator model compared with simulated results validation. A 3D finite element to predict non-linear elevated temperature proposed. In present work, internal variables considered be function loading rate, simulate behavior. predicted thermo-electromechanical from used as an input proposed simulation carried out various combinations PZT volume fractions, rates, temperatures compressive prestresses cyclic electrical validated experimental measurements.
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