The central role of the shape-memory effect and rejuvenation in characterizing the response of amorphous polymers around the glass-transition temperature

Wednesday, 13 October 2004 - 5:10 PM

This presentation is part of : Mechanics and Thermodynamics of Polymers

The central role of the shape-memory effect and rejuvenation in characterizing the response of amorphous polymers around the glass-transition temperature

Mehrrdad Negahban, University of Nebraska, University of Nebraska, Dr., W311 NH, Lincoln, NE 68588-0526

A study of the response of PMMA reveals that the shape-memory effect and rejuvenation plays central roles in the characterization of the response of this amorphous polymer around its glass transition temperature. Within the context of thermodynamics of solids, a model is developed that characterizes a large number of monotonic and non-monotonic loading conditions.

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