A phenomenological model for healing and hysteresis in rubber-like materials

  • D'Ambrosio P
  • De Tommasi D
  • Ferri D
 et al. 
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Abstract

We propose a predictive model for the dissipative behaviour of rubber-like materials. In the spirit of De Tommasi et al. [D. De Tommasi, G. Puglisi, G. Saccomandi, A micromechanics based model for the Mullins effect, J. Rheol. 50 (2006) 495-512], we assume that at the scale of the polymeric network the material is constituted by a distribution of links with variable activation and fracture thresholds. By considering the recross-linking effect due to unloading we obtain a three-dimensional, non-linear damage model that describes the rate-independent hysteretic behaviour observed in rubber-like solids. The feasibility of the model in treating complex non-homogeneous deformation histories is shown through a numerical application. © 2007 Elsevier Ltd. All rights reserved.

Author-supplied keywords

  • Healing
  • Helical shear
  • Hysteresis
  • Mullins effect
  • Rubber-like materials

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