A micromechanical model of crack growth along polymer interfaces

A micromechanical model of crack growth along polymer interfaces

The problem of crack growth along the interface of two immiscible homopolymers is studied where the interface is strengthened by the addition of a small amount of diblock copolymer. A micromechanical model of the interface is proposed and a time-dependent Dugdale—Barenblatt model based on this model...

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Veröffentlicht in:Mechanics of materials 1991-05, Vol.11 (3), p.257-268
Hauptverfasser: Xu, D.-B., Hui, C.-Y., Kramer, E.J., Creton, C.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
crack propagation
Exact sciences and technology
fracture toughness
Mechanical properties
modelling
Physical properties
Polymer industry, paints, wood
Properties and testing
Technology of polymers
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Zusammenfassung:The problem of crack growth along the interface of two immiscible homopolymers is studied where the interface is strengthened by the addition of a small amount of diblock copolymer. A micromechanical model of the interface is proposed and a time-dependent Dugdale—Barenblatt model based on this model is used to predict the fracture toughness of the interface as a function of the applied loading, the crack growth rate and the underlying interface properties.
ISSN:0167-6636
1872-7743
DOI:10.1016/0167-6636(91)90007-M