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On the Interconversion of Linear Viscoelastic Functions with Special Application to Shear Behavior in the Glass-Rubber Transition Region

  • F. R. Schwarzl

Abstract

The problem of interconverting measurable functions for linear viscoelastic materials is reviewed. A system of numerical formulae for such interconversions is presented, together with bounds for the errors. The information needed for this purpose is discussed.

The formulae are applied to data on the shear behavior of several amorphous high polymers in the glass-rubber transition region over wide ranges of time and temperature; the validity of the time-temperature superposition principle is discussed. The behavior of the viscoelastic material functions in the transition region is compared with that predicted by the diffusion theory of macromolecular networks.

Keywords

Polymethyl Methacrylate Master Curve Shear Behavior Relaxation Modulus Creep Compliance 
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Copyright information

© Springer Science+Business Media New York 1973

Authors and Affiliations

  • F. R. Schwarzl
    • 1
  1. 1.Centraal Laboratorium TNODelftThe Netherlands

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