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Interfacial debonding behavior of composite beam/plates with PZT patch

机译：带有PZT贴片的复合梁/板的界面剥离性能

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摘要

This paper studies interfacial debonding behavior of composite beams which include piezoelectric materials, adhesive and host beam. The focus is put on crack initiation and growth of the piezoelectric adhesive interface. Closed-form solutions of interface stresses and energy release rates are obtained for adhesive layer in the piezoelectric composite beams. Finite element analyses have been carried out to study the initiation and growth of interfaces crack for piezoelectric beams with interface element by ANSYS, in which the interface element of FE model is based on the cohesive zone models to characterize the fracture behavior of the interfacial debonding. The results have been compared with analytical solution, and the influence of different geometry and material parameters on the interfacial behavior of piezoelectric composite beams have been discussed.
机译：本文研究了包括压电材料，胶粘剂和主梁在内的复合梁的界面剥离性能。重点放在压电粘合剂界面的裂纹萌生和扩展上。对于压电复合梁中的粘合剂层，获得了界面应力和能量释放速率的闭合形式解。通过有限元分析，利用ANSYS对压电梁界面裂纹的萌生和扩展进行了研究，其中有限元模型的界面单元基于内聚力区模型来表征界面剥离的断裂行为。将结果与解析解进行了比较，并讨论了不同几何形状和材料参数对压电复合梁界面行为的影响。

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  • 来源
    《Composite Structures》 |2010年第6期|1410-1415|共6页
  • 作者

    Wang Liang; Bai Rui-xiang; Yan Cheng;

  • 作者单位

    State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, PR China;

    State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, PR China;

    State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, PR China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    piezoelectric; interface crack; debonding; interface element; adhesive;

    机译：压电界面裂纹;脱胶接口元素;胶粘剂;

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