Encyclopedic Dictionary of Polymers

2011 Edition
| Editors: Jan W. Gooch

Williams-Landell-Ferry Equation

  • Jan W. Gooch
Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-6247-8_12844
(WLF equation) An empirical equation for the  Time-Temperature Equivalence of creep and other properties, that has been successful with many plastics. It is
$$\log _{10} a_T = {{ - 17.44(T - T_g )} \over {51.6 + T - T_g }}$$
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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Jan W. Gooch
    • 1
  1. 1.AtlantaUSA