Strength prediction of adhesively bonded repairs on carbon‐epoxy laminates by the single and double‐strap techniques
Source abstract
Abstract
Abstract This work proposes a numerical technique for the strength prediction of composite structures repaired with adhesively bonded patches, using the finite element method (FEM). This technique is based on the use of cohesive elements including mixed‐mode criteria to simulate a cohesive fracture of the adhesive layer. Trapezoidal traction‐separation laws were used. Experimental validation of this procedure is accomplished by a parametric study on adhesively bonded single‐strap (SS) and double‐strap (DS) repairs on carbon fiber reinforced polymer (CFRP) laminates under different loadings (tension, compression, and bending). From the test results and simulations the numerical technique was validated and some design tendencies emerged for efficient repairs. POLYM. COMPOS., © 2011 Society of Plastics Engineers.
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Research context
OpenAlex topics: Mechanical Behavior of Composites · Ultrasonics and Acoustic Wave Propagation · Structural Behavior of Reinforced Concrete
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