Failure-mode transition in transient polymer networks with particle-based simulations

Journal article (2009)

Authors

Joris Sprakel Wageningen University & Research, Dutch Polymer Institute
E Spruijt Wageningen University & Research
Jasper van der Gucht Wageningen University & Research
J.T. Padding University of Twente
W. J. Briels University of Twente
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Published Date

2009

Language

English

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Abstract

Transient polymer networks are known to undergo a wide variety of viscoelastic flow instabilities. In this paper we investigate two of these flow failure modes: shear banding and melt fracture. Using particle-based simulations we reveal a transition from gradient banding to fracture in transient polymer networks with reversible associative nodes. We discuss the failure-mode transition on the basis of an energetic and a kinetic approach to fracturing in soft materials.