1. Interfacial characterization of pre-strained polymer coated steel by a numerical–experimental approach
- Author
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van den Bosch, M.J., Schreurs, P.J.G., Geers, M.G.D., and van Maris, M.P.F.H.L.
- Subjects
- *
DELAMINATION of composite materials , *POLYMERS , *COATING processes , *ADHESION , *SUBSTRATES (Materials science) - Abstract
Abstract: In this paper, the delamination in pre-strained polymer coated steel is quantitatively characterized through a combined numerical–experimental approach. The surface roughening of the steel substrate is analyzed by a correlation technique and coupled to the pre-deformation of the coating. The polymer coating shows a clear stress relaxation after pre-deformation, which requires special attention for the correct numerical characterization of the interface. A large displacement cohesive zone model is extended with an interfacial pre-damage parameter representing the loss of adhesion due to substrate roughening. Finally, peel tests are performed on pre-strained specimens, on the basis of which the interface is characterized by an inverse parameter identification procedure. [Copyright &y& Elsevier]
- Published
- 2008
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