General deformation modes of a van der Waals network

  • H. F. Enderle
  • H. -G. Kilian
Permanent Networks
Part of the Progress in Colloid & Polymer Science book series (PROGCOLLOID, volume 75)


It is shown how multiaxial deformation modes can be described with the aid of a generalized van der Waals network model. By introducing the modified invariant J=βI1 + (1 −β)I2 the resulting van der Waals strain energy function allows in the case of biaxial homogeneous deformation to derive a set of equations of state. The calculated normal forces can be fitted to uniaxial elongation and compression experiments on the one hand and to data of general biaxial deformation modes on the other hand up to largest measures of strain.

Key words

Deformation modes biaxial deformation strain energy function rubber elasticity finite extensibility Van der Waals theory 


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Copyright information

© Dr. Dietrich Steinkopff Verlag GmbH & Co. KG 1987

Authors and Affiliations

  • H. F. Enderle
    • 1
  • H. -G. Kilian
    • 1
  1. 1.Abteilung Experimental-PhysikUniversität UlmUlmF.R.G.

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