Influence of mechanical stress on partial discharges in cavities in a piezoelectric solid


Cun-Fa Gao~1 Collage of Aerospace Engineering,Nanjing University of Aeronautics and Astronautics Nanjing 210016,China


<正>In the present work the influences of mechanical stress on partial discharge of an air-filled elliptic cavity in a piezoelectric solid are studied based on the streamer-type gas-discharge criterion. The induced electric field within the cavity is first introduced when the solid is subjected to remote mechanical stress and electric field,and then compared with the critical streamer inception field to


Piezoelectric materials;;Cavities;;Electric discharges


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  • [1] Zhang,T.Y.,Gao,C.F, Fracture behaviors of piezoelectric materials, Theoretical and Applied Fracture Mechanics, Theoretical and Applied Fracture Mechanics (Theoretical and Applied Fracture Mechanics)

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