A mode III crack in a piezoelectric semiconductor of crystals with 6 mm symmetry |
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| Institution: | 1. Institute of Mechanics and Sensing Technology, School of Civil Engineering and Architecture, Central South University, Changsha, Hunan 410083, China;2. Department of Mechanics, School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China;3. Department of Engineering Mechanics, University of Nebraska, Lincoln, NE 68588-0526, USA |
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| Abstract: | A finite mode III crack in a piezoelectric semiconductor of 6 mm crystals is analyzed. Fourier transform is employed to reduce the mixed boundary value problem to a pair of dual-integral equations. Numerical solution of these equations yields coupled electromechanical fields, the intensity factor and the energy release rate near the crack tip. Numerical results are presented graphically to show the fracture behavior which is affected by the semiconduction. |
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