Stress-induced densification of glassy p
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Aleksey D. Drozdov
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Article
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1999
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John Wiley and Sons
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English
β 224 KB
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Constitutive equations are derived for the viscoelastic response of amorphous glassy polymers in the region of subyield deformations. The model treats an amorphous polymer as a composite material consisting of an ensemble of flow units, immobile holes, and clusters of interstitial free volume moving