Use of mode-I cohesive-zone models to describe the fracture of an adhesively-bonded polymer-matrix composite

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Mixed-mode cohesive-zone models for fracture of an adhesively bonded polymer–matrix composite (2006, methodology): “Following a similar approach used for investigating the mode-I fracture of this same adhesively-bonded system, the numerical calculations were performed in two stages [Li et al., 2005b].”
Direct extraction of rate-dependent traction–separation laws for polyurea/steel interfaces (2009, background): “…laws rely on iterative comparisons between measured properties [e.g., an R-curve (Flinn et al., 1993), a crack opening profile (Cox and Marshall, 1991; Mello and Liechti, 2006) or a load–displacement curve (Li et al., 2005a)] with predictions based on assumed traction–separation laws.”
The roles of toughness and cohesive strength on crack deflection at interfaces (2006, background): “Some preliminary insights into this last problem have already been provided by Li et al. [51], which demonstrates that the strength parameters (as well as the toughness parameters) do play an important role in determining whether a crack kinks off a relatively brittle adhesive interface into a much…”
An improved description of the exponential Xu and Needleman cohesive zone law for mixed-mode decohesion (2006, methodology): “Li et al. [ 24 ,25] used initial rigid and piece-wise linear uncoupled cohesive zone laws to predict the fracture of polymer–matrix composites under mode-I loading.”