Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/28748
Title: Experimental study on CFRP-to-steel bonded interfaces
Authors: Yu, T
Fernando, D
Teng, JG 
Zhao, XL
Keywords: Carbon fibre reinforced polymer
Bond strength
Debonding
Interfacial shear stress
CFRP-to-steel bonded interface
Issue Date: 2012
Publisher: Pergamon Press
Source: Composites. Part B, Engineering, 2012, v. 43, no. 5, p. 2279-2289 How to cite?
Journal: Composites. Part B, Engineering 
Abstract: This paper presents an experimental study on the behaviour of CFRP-to-steel bonded interfaces through the testing of a series of single-lap bonded joints. The parameters examined include the material properties and the thickness of the adhesive layer and the axial rigidity of the CFRP plate. The test results demonstrate that the bond strength of such bonded joints depends strongly on the interfacial fracture energy among other factors. Nonlinear adhesives with a lower elastic modulus but a larger strain capacity are shown to possess a much higher interfacial fracture energy than linear adhesives with a similar or even a higher tensile strength. The variation of the interfacial shear stress distribution in a bonded joint as the applied load increases clearly illustrates the existence of an effective bond length. The bond-slip curve is shown to have an approximately triangular shape for a linear adhesive but to have an approximately trapezoidal shape for a nonlinear adhesive, indicating the necessity of developing different forms of bond-slip models for different adhesives.
URI: http://hdl.handle.net/10397/28748
ISSN: 1359-8368
EISSN: 1879-1069
DOI: 10.1016/j.compositesb.2012.01.024
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