Health monitoring of cross-ply laminates: Modelling the correlation between damage evolution and electrical resistance change

作者: Paolo Andrea Carraro , Michele Zappalorto , Marino Quaresimin

DOI: 10.1016/J.COMPOSITESA.2015.12.001

关键词: Materials scienceWork (thermodynamics)StiffnessElectrical resistance and conductanceComposite materialCross plyClosed-form expressionReduction (mathematics)Electrical conductorTransverse plane

摘要: Abstract In this work an analytical solution is developed to accurately predict the stiffness reduction in conductive cross-ply laminates, caused by matrix cracking transverse layers, as a function of electrical resistance change laminate itself. To end closed form initially with aim link density cracks electric laminate. Such expression later used within further model which allows degradation associated given crack be estimated. The accuracy proposed verified comparison bulk FE analyses.

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