Penny-shaped and half-plane cracks in a transversely isotropic piezoelectric solid under arbitrary loading |
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Authors: | E Karapetian I Sevostianov M Kachanov |
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Institution: | (1) Department of Mechanical Engineering Tufts University, Medford, MA 02155, USA, US |
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Abstract: | Summary The problem of a penny-shaped crack in a transversely isotropic piezoelectric material loaded by both normal and tangential
tractions and by electric charges is analyzed. Closed-form solutions are obtained for the full electroelastic fields as well
as for the stress and electric displacement intensity factors. Solutions are also obtained for the (non-trivial) limiting
case of a half-plane crack. The results are illustrated on the example of piezoceramics PZT-6B.
Received 12 July 1999; accepted for publication 20 July 1999 |
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Keywords: | Crack piezoelectric material transverse isotropy stress intensity factor |
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