Experimental and numerical investigation of the properties of the fiber/matrix-interface of CFRP using model composites
In this study, a novel approach to characterize the fiber/matrix-interface properties under transverse tensile loading of carbon fiber reinforced epoxy is presented. A single-fiber specimen concept for tensile testing perpendicular to the fiber is developed. Using the novel specimen concept, the interfacial failure is observed and the relevant variables describing the problem are extracted from the results. Under transversal tension, matrix has undergone significant plastic deformation prior to the interface failure. It is also found, that interfacial failure can be prematurely induced by plastic shear bands which initiated at flaws and other irregularities.
The Journal of Plastics Technology is a peer reviewed internet periodical published under the auspices of the Scientific Alliance of Polymer Technology (WAK)
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