About: The effects of morphology on the yield behaviour of polyethylene copolymers.

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About: The effects of morphology on the yield behaviour of polyethylene copolymers. Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Semikrystalické polymery jako i PE vykazují deformační chování doprovázané dloužením během deformace. Tento proces je spojený s absorbcí mechanické energie, která je také spotřebována na reorintaci a přeskupování lamel. Toto chování bylo sledováno jednak na makroskopické úrovni-tahová zkouška a jednak pomocí techniky WAXS. (cs) Semi-crystalline polymers such as polyethylene typically display necking behaviour and a yield point in tensile stress/strain curves. Yield points are always associated with a deformation mechanism which absorbs energy. For semi-crystalline polymers this mechanism involves orientation and destruction of micron to colloidal scale semi-crystalline morphologies. We utilized this result to study the deformation behaviour of several PE types which differed in the SCB and molecular weight. The standard tensile test was used for estimation the yield stress and yield strain of the materials in the study. WAXS technique was applied to observe the re-orientation of lamellae structure as a consequence of changes in deformation rate. Semi-crystalline polymers such as polyethylene typically display necking behaviour and a yield point in tensile stress/strain curves. Yield points are always associated with a deformation mechanism which absorbs energy. For semi-crystalline polymers this mechanism involves orientation and destruction of micron to colloidal scale semi-crystalline morphologies. We utilized this result to study the deformation behaviour of several PE types which differed in the SCB and molecular weight. The standard tensile test was used for estimation the yield stress and yield strain of the materials in the study. WAXS technique was applied to observe the re-orientation of lamellae structure as a consequence of changes in deformation rate. (en)
Title	The effects of morphology on the yield behaviour of polyethylene copolymers. Vliv morfologie na deformační chování PE kopolymerů (cs) The effects of morphology on the yield behaviour of polyethylene copolymers. (en)
skos:prefLabel	The effects of morphology on the yield behaviour of polyethylene copolymers. Vliv morfologie na deformační chování PE kopolymerů (cs) The effects of morphology on the yield behaviour of polyethylene copolymers. (en)
skos:notation	RIV/00216305:26210/05:PU67125!RIV07-GA0-26210___
http://linked.open.../vavai/riv/strany	484-486
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA101/05/0227)
http://linked.open...iv/cisloPeriodika	99
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Veselý, Petr Nezbedová, Eva Fiedler, Lubomír Vlach, Bohumil
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	519597
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/05:PU67125
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Polyethylene, deformation behaviour, WAXS (en)
http://linked.open.../riv/klicoveSlovo	WAXS Polyethylene deformation behaviour
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[039A3F4FCE49]
http://linked.open...i/riv/nazevZdroje	Chemické listy
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Fracture Behaviour of Polyolephine Composite´s Pipes
http://linked.open...UplatneniVysledku	2005
http://linked.open...v/svazekPeriodika	2005
http://linked.open...iv/tvurceVysledku	Veselý, Petr Nezbedová, Eva Fiedler, Lubomír Vlach, Bohumil
issn	0009-2770
number of pages	3 (xsd:int)
http://localhost/t...ganizacniJednotka	26210
is http://linked.open...avai/riv/vysledek of	The effects of morphology on the yield behaviour of polyethylene copolymers.

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