Stress state of a piezoelectric ceramic body with a plane crack under antisymmetric loads |
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Authors: | V S Kirilyuk |
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Institution: | (1) S. P. Timoshenko Institute of Mechanics, National Academy of Sciences of Ukraine, Kiev |
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Abstract: | The static equilibrium of an electroelastic transversely isotropic space with a plane crack under antisymmetric mechanical
loads is studied. The crack is located in the plane of isotropy. Relationships are established between the stress intensity
factors (SIFs) for an infinite piezoceramic body and the SIFs for a purely elastic body with a crack of the same form under
the same loads. This makes it possible to find the SIFs for an electroelastic body without the need to solve specific electroelasitc
problems. As an example, the SIFs are determined for a piezoelastic body with penny-shaped and elliptic cracks under shear
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Translated from Prikladnaya Mekhanika, Vol. 42, No. 2, pp. 32–42, February 2006. |
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Keywords: | piezoelectricity plane crack antisymmetric load elliptic crack stress intensity factor |
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