The influence of molecular orientation on the yield and post-yield response of injection-molded polycarbonate

T.A.P. Engels, L.E. Govaert, H.E.H. Meijer

Research output: Contribution to journalArticleAcademicpeer-review

22 Citations (Scopus)
3 Downloads (Pure)

Abstract

The influence of the flow history experienced duringinjection molding on the mechanical propertiesof amorphous polymers is investigated. It is demonstratedthat flow-induced molecular orientation onlycauses a small anisotropic effect on the yield stress,which can be regarded as insignificant with respectto its absolute value. Its influence on the post-yieldstrain-hardening response is also shown to be imperceptible,in contrast to a orientation which is appliedduring deformation below the glas transition.
Original languageEnglish
Pages (from-to)821-828
JournalMacromolecular Materials and Engineering
Volume294
Issue number12
DOIs
Publication statusPublished - 2009

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