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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.19 No.2
- 발행연도
- 2017.1
- 수록면
- 163 - 179 (17page)
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초록· 키워드
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The axisymmetric buckling delamination of the Piezoelectric/Metal/Piezoelectric (PZT/Metal/PZT) sandwich circular plate with interface penny-shaped cracks is investigated. The case is considered where open-circuit conditions with respect to the electrical displacement on the upper and lower surfaces, and short-circuit conditions with respect to the electrical potential on the lateral surface of the face layers are satisfied. It is assumed that the edge surfaces of the cracks have an infinitesimal rotationally symmetric initial imperfection and the development of this imperfection with rotationally symmetric compressive forces acting on the lateral surface of the plate is studied by employing the exact geometrically non-linear field equations and relations of electro-elasticity for piezoelectric materials. The sought values are presented in the power series form with respect to the small parameter which characterizes the degree of the initial imperfection. The zeroth and first approximations are used for investigation of stability loss and buckling delamination problems. It is established that the equations and relations related to the first approximation coincide with the corresponding ones of the three-dimensional linearized theory of stability of electro-elasticity for piezoelectric materials. The quantities related to the zeroth approximation are determined analytically, however the quantities related to the first approximation are determined numerically by employing Finite Element Method (FEM). Numerical results on the critical radial stresses acting in the layers of the plate are presented and discussed. In particular, it is established that the piezoelectricity of the face layer material causes an increase (a decrease) in the values of the critical compressive stress acting in the face (core) layer.
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참고문헌 (20)
참고문헌 신청
Akbarov, S. D. / 2013 / Stability Loss and Buckling Delamination:Three-Dimensional Linearized Approach for Elastic and Viscoelastic Composites / Springer
Akbarov, S. D. / 2002 / On the buckling of the elastic and viscoelastic composite circular thick plate with a penny-shaped crack / Eur. J Mech. A Solid 21(2):269~279
Akbarov, S. D. / 2013 / Buckling delamination of a sandwich plate-strip with piezoelectric face and elastic core layers / Appl. Math. Model 37:8029~8038
Akbarov, S. D. / 2016 / On the total electromechanical potential energy and energy release rate at the interface crack tips in an initially stressed sandwich plate-strip with , piezoelectric face and elastic core layers / Int. J. Solid Struct. 88-89:119~130
Mohammad Arefi / 2015 / Nonlinear responses of an arbitrary FGP circular plate resting on the Winkler-Pasternak foundation / Smart Structures and Systems, An International Journal 16(1):81~100
Akbarov, S. D. / 2002 / On the buckling of the elastic and viscoelastic composite circular thick plate with a penny-shaped crack / Eur. J Mech. A Solid 21(2):269~279
Akbarov, S. D. / 2013 / Buckling delamination of a sandwich plate-strip with piezoelectric face and elastic core layers / Appl. Math. Model 37:8029~8038
Akbarov, S. D. / 2016 / On the total electromechanical potential energy and energy release rate at the interface crack tips in an initially stressed sandwich plate-strip with , piezoelectric face and elastic core layers / Int. J. Solid Struct. 88-89:119~130
Mohammad Arefi / 2015 / Nonlinear responses of an arbitrary FGP circular plate resting on the Winkler-Pasternak foundation / Smart Structures and Systems, An International Journal 16(1):81~100
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