Peeling stress analysis of piezo-bonded laminated composite plate

Bin Huang; Heung Soo Kim

doi:10.1117/12.913018

27 March 2012 Peeling stress analysis of piezo-bonded laminated composite plate

Bin Huang, Heung Soo Kim

Proceedings Volume 8341, Active and Passive Smart Structures and Integrated Systems 2012; 834129 (2012) https://doi.org/10.1117/12.913018
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2012, San Diego, California, United States

Abstract

A stress function based method is proposed to analyze the interlaminar stresses at the free edge of a piezo-bonded composite laminated structure. Two piezoelectric actuators are symmetrically surface bonded on composite laminate. Same electric fields are applied to the two symmetric piezoelectric actuators which can generate induced strain, resulting in pure extension on the laminated plate. The stresses that satisfy the traction-free boundary conditions at the free edge and at the top and bottom surfaces of the laminate were obtained by using the complementary virtual work principle. Cross-ply and angle-ply laminates were analyzed. To verify the proposed method, the stress concentrations predicted by the present method were compared with those analyzed by the finite element method. The results provided that the stress function based analysis of piezo-bonded laminated composite structure is an efficient and accurate method for initial design stage of piezo-composite structure.

Citation Download Citation

Bin Huang and Heung Soo Kim "Peeling stress analysis of piezo-bonded laminated composite plate", Proc. SPIE 8341, Active and Passive Smart Structures and Integrated Systems 2012, 834129 (27 March 2012); https://doi.org/10.1117/12.913018

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