Mechanical stress and electric potential in cymbal piezoceramics by FEA

P. Ochoa; Jose L Pons; M. Villegas; J. F. Fernandez

doi:10.1016/j.jeurceramsoc.2005.03.082

Mechanical stress and electric potential in cymbal piezoceramics by FEA

P. Ochoa, Jose L Pons, M. Villegas, J. F. Fernandez^*

^*Corresponding author for this work

Physical Medicine and Rehabilitation

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

A study of the electric potential and mechanical stress distributions by finite element analysis (FEA) of the cymbal piezocomposites was attempted for both the resonant and the off-resonant modes. The stress concentration has been proved to reduce the performance of the cymbals and is on the origin of the further degradation issues. It is possible to eliminate some part of the stress concentration by removing a portion of the ceramic where the maximum stress concentration is observed or by the modification of the bonding layer. Several FEA ATILA® models were generated to analyse the stress distribution behaviour of cymbals with different grooves. Unexpected high electric field concentration is observed associated to the mechanical stress of the resonant modes. These analyses invalidate resonant applications of cymbals.

Original language	English (US)
Pages (from-to)	2457-2461
Number of pages	5
Journal	Journal of the European Ceramic Society
Volume	25
Issue number	12 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.jeurceramsoc.2005.03.082
State	Published - 2005

Keywords

Actuators
Composites
Finite element analysis
PZT
Piezoelectric properties

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

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title = "Mechanical stress and electric potential in cymbal piezoceramics by FEA",

abstract = "A study of the electric potential and mechanical stress distributions by finite element analysis (FEA) of the cymbal piezocomposites was attempted for both the resonant and the off-resonant modes. The stress concentration has been proved to reduce the performance of the cymbals and is on the origin of the further degradation issues. It is possible to eliminate some part of the stress concentration by removing a portion of the ceramic where the maximum stress concentration is observed or by the modification of the bonding layer. Several FEA ATILA{\textregistered} models were generated to analyse the stress distribution behaviour of cymbals with different grooves. Unexpected high electric field concentration is observed associated to the mechanical stress of the resonant modes. These analyses invalidate resonant applications of cymbals.",

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AU - Pons, Jose L

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AU - Fernandez, J. F.

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