Strain-hardening behavior of polycarbonate in the glassy state

T.A. Tervoort, L.E. Govaert

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This paper presents an experimental characterization of the three-dimensionalstrain-hardening response of polycarbonate in the glassy state. Using a specialmechanical conditioning technique large homogeneous deformations were ob-tained in tension compression and shear. The experimental results are comparedto a number of existing network models. It was found that the state-of deforma-tiondependence of the strain-hardening response was adequately described byneo-Hookean behavior with a shear modulus G =26 MPa. Up to thedeforma-tionsapplied in this study no sign of a finite extensibility of the entanglementnetwork was observed.
Original languageEnglish
Pages (from-to)1263-1277
Number of pages15
JournalJournal of Rheology
Issue number6
Publication statusPublished - 2000


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