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Article: Shrinkage artifacts in semi-spherical spherulites at the interface of glass fibre reinforced polypropylene

TitleShrinkage artifacts in semi-spherical spherulites at the interface of glass fibre reinforced polypropylene
Authors
Issue Date1990
Citation
Polymer Communications Guildford, 1990, v. 31 n. 3, p. 96-98 How to Cite?
AbstractShrinkage artifacts in the form of series of circumferential bands were observed at the interface in air-cooled glass fibre-reinforced polypropylene specimens. The nature of the circumferential bands was examined and the formation of the bands was explained. Experimental data indicate that unique shrinkage artifacts in the form of series of circumferential bands formed in some spherulites at the interface of glass fibre/polypropylene pull-out specimens. The circumferential bands are kink bands which form to relieve localized residual stresses in the interfacial surface of the semi-spherical spherulites. The kink bands are parallel to the tangential cross-hatched lamellae in the α form polypropylene spherulites. The kink bands exist preferentially near the outer perimeter of the spherulites where the localized residual stresses are probably highest.
Persistent Identifierhttp://hdl.handle.net/10722/156341
ISSN

 

DC FieldValueLanguage
dc.contributor.authorCheung, WLen_US
dc.contributor.authorYue, CYen_US
dc.date.accessioned2012-08-08T08:42:04Z-
dc.date.available2012-08-08T08:42:04Z-
dc.date.issued1990en_US
dc.identifier.citationPolymer Communications Guildford, 1990, v. 31 n. 3, p. 96-98en_US
dc.identifier.issn0263-6476en_US
dc.identifier.urihttp://hdl.handle.net/10722/156341-
dc.description.abstractShrinkage artifacts in the form of series of circumferential bands were observed at the interface in air-cooled glass fibre-reinforced polypropylene specimens. The nature of the circumferential bands was examined and the formation of the bands was explained. Experimental data indicate that unique shrinkage artifacts in the form of series of circumferential bands formed in some spherulites at the interface of glass fibre/polypropylene pull-out specimens. The circumferential bands are kink bands which form to relieve localized residual stresses in the interfacial surface of the semi-spherical spherulites. The kink bands are parallel to the tangential cross-hatched lamellae in the α form polypropylene spherulites. The kink bands exist preferentially near the outer perimeter of the spherulites where the localized residual stresses are probably highest.en_US
dc.languageengen_US
dc.relation.ispartofPolymer communications Guildforden_US
dc.titleShrinkage artifacts in semi-spherical spherulites at the interface of glass fibre reinforced polypropyleneen_US
dc.typeArticleen_US
dc.identifier.emailCheung, WL:wlcheung@hkucc.hku.hken_US
dc.identifier.authorityCheung, WL=rp00103en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0025404912en_US
dc.identifier.volume31en_US
dc.identifier.issue3en_US
dc.identifier.spage96en_US
dc.identifier.epage98en_US
dc.identifier.scopusauthoridCheung, WL=7202743084en_US
dc.identifier.scopusauthoridYue, CY=7102350337en_US

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