About: Effect of ceramic nanopowders on rheology of thermoplastic suspensions

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Rheological behaviour of thermoplastic polymer melts containing 20 to 50 vol.% of ceramic nanopowders was studied. For the preparation of thermoplastic polymer suspensions three ZrO2 powders with specific surface areas from 6.5 to 123 m2 g-1 were used. Using a capillary rheometer, viscous behaviour was examined in the temperature range from 100 to 150 degC and in the shear rate range from 100 to 1000 s-1. The viscosity of suspensions increased with increasing specific surface area of ceramic powder. The suspensions were of pseudoplastic nature, which was described by the power law. The power law exponent and the activation energy of viscous flow of suspensions decreased almost linearly with increasing specific surface area of the powder. The maximum volume fraction of the powder in the suspension also decreased with increasing specific surface area of the powder. The causes of the changes in viscous behaviour of the suspensions in dependence on the specific surface area of powders were discussed. Rheological behaviour of thermoplastic polymer melts containing 20 to 50 vol.% of ceramic nanopowders was studied. For the preparation of thermoplastic polymer suspensions three ZrO2 powders with specific surface areas from 6.5 to 123 m2 g-1 were used. Using a capillary rheometer, viscous behaviour was examined in the temperature range from 100 to 150 degC and in the shear rate range from 100 to 1000 s-1. The viscosity of suspensions increased with increasing specific surface area of ceramic powder. The suspensions were of pseudoplastic nature, which was described by the power law. The power law exponent and the activation energy of viscous flow of suspensions decreased almost linearly with increasing specific surface area of the powder. The maximum volume fraction of the powder in the suspension also decreased with increasing specific surface area of the powder. The causes of the changes in viscous behaviour of the suspensions in dependence on the specific surface area of powders were discussed. (en)
Title	Effect of ceramic nanopowders on rheology of thermoplastic suspensions Effect of ceramic nanopowders on rheology of thermoplastic suspensions (en)
skos:prefLabel	Effect of ceramic nanopowders on rheology of thermoplastic suspensions Effect of ceramic nanopowders on rheology of thermoplastic suspensions (en)
skos:notation	RIV/00216305:26210/05:PU55204!RIV11-MSM-26210___
http://linked.open...avai/riv/aktivita	P V Z
http://linked.open...avai/riv/aktivity	P(GA106/04/1206), V, Z(MSM 262100002), Z(MSM0021630508)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Hrazděra, Jiří Trunec, Martin
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	519256
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/05:PU55204
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	mixing, ZrO2, thermoplastic suspension, rheology (en)
http://linked.open.../riv/klicoveSlovo	ZrO2 mixing thermoplastic suspension rheology
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[2173CF5BA219]
http://linked.open...i/riv/nazevZdroje	Ceramics International
http://linked.open...in/vavai/riv/obor	JH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Preparation of bulk nanocrystalline ceramics from nanometre-sized powders
http://linked.open...UplatneniVysledku	2005
http://linked.open...v/svazekPeriodika	31
http://linked.open...iv/tvurceVysledku	Trunec, Martin Hrazděra, Jiří
http://linked.open...n/vavai/riv/zamer	Anorganické nanomateriály a nanostruktury: vytváření, analýza, vlastnosti http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20262100002
issn	0272-8842
number of pages	5 (xsd:int)
http://localhost/t...ganizacniJednotka	26210

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