Predictions of static displacements in 1-3 piezocomposites

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Piezocomposites have demonstrated higher sensitivity and lower mechanical losses than single phase piezoelectric materials. As with any composite material, the properties and behavior of piezocomposites are highly dependent on the properties of the constituent materials and the interface between them. In this paper, the micromechanical behavior of 1-3 piezocomposites is investigated. An analytical model is developed for predicting the static displacement behavior of a single piezoelectric rod embedded in a matrix. In the model, the ceramic rod is treated as transversely isotropic since it has different piezoelectric voltage coefficients in the longitudinal and transverse directions. It is proposed that presence of a thin interlayer or polymer coating around the ceramic rods can influence the longitudinal displacement of the rods and change the overall sensitivity. A composite cylinder model is adopted to incorporate the presence of an interlayer with varying properties. Theoretical predictions indicate that the introduction of a compliant interlayer greatly increases the out of plane displacement of the rod and the sensitivity of the composite.

Original languageEnglish (US)
Title of host publicationAdaptive Structures and Material Systems
EditorsWalter F. Jones
PublisherPubl by ASME
Pages95-104
Number of pages10
ISBN (Print)0791810410
StatePublished - Dec 1 1993
EventProceedings of the 1993 ASME Winter Annual Meeting - New Orleans, LA, USA
Duration: Nov 28 1993Dec 3 1993

Publication series

NameAmerican Society of Mechanical Engineers, Aerospace Division (Publication) AD
Volume35
ISSN (Print)0733-4230

Other

OtherProceedings of the 1993 ASME Winter Annual Meeting
CityNew Orleans, LA, USA
Period11/28/9312/3/93

ASJC Scopus subject areas

  • Mechanical Engineering
  • Space and Planetary Science

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