Stress singularities near the apex of a cylindrically polarized piezoelectric wedge

T. H. Chen, C. H. Chue, H. T. Lee

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

In this paper, the stress singularities for a cylindrically polarized piezoelectric wedge are investigated. The characteristic equations are derived analytically by using the extended Lekhnitskii formulation. The piezoelectric material (PZT-4) is polarized in the radial, circular or axial direction, respectively. Similar to the rectilinearly polarized piezoelectric problem, the inplane and antiplane stress fields are uncoupled. The results show the variations of the singularity orders with the changes of the wedge angle, material constants, polarized direction, and the boundary conditions.

Original languageEnglish
Pages (from-to)248-261
Number of pages14
JournalArchive of Applied Mechanics
Volume74
Issue number3-4
DOIs
Publication statusPublished - 2004 Dec 1

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Piezoelectric materials
Boundary conditions

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

Cite this

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Stress singularities near the apex of a cylindrically polarized piezoelectric wedge. / Chen, T. H.; Chue, C. H.; Lee, H. T.

In: Archive of Applied Mechanics, Vol. 74, No. 3-4, 01.12.2004, p. 248-261.

Research output: Contribution to journalArticle

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AU - Chue, C. H.

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N2 - In this paper, the stress singularities for a cylindrically polarized piezoelectric wedge are investigated. The characteristic equations are derived analytically by using the extended Lekhnitskii formulation. The piezoelectric material (PZT-4) is polarized in the radial, circular or axial direction, respectively. Similar to the rectilinearly polarized piezoelectric problem, the inplane and antiplane stress fields are uncoupled. The results show the variations of the singularity orders with the changes of the wedge angle, material constants, polarized direction, and the boundary conditions.

AB - In this paper, the stress singularities for a cylindrically polarized piezoelectric wedge are investigated. The characteristic equations are derived analytically by using the extended Lekhnitskii formulation. The piezoelectric material (PZT-4) is polarized in the radial, circular or axial direction, respectively. Similar to the rectilinearly polarized piezoelectric problem, the inplane and antiplane stress fields are uncoupled. The results show the variations of the singularity orders with the changes of the wedge angle, material constants, polarized direction, and the boundary conditions.

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