About: Viscosity and activation energy for viscous flow of PbO-WO3-P2O5 glasses

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.ingentaconnect.com/content/sgt/pcg/2013/00000054/00000003/art00004?crawler=true
Description	The temperature dependence of viscosity of three compositional series of PbO-WO3-P2O5 glasses with compositions (0.5-x/2) PbO center dot xWO(3)center dot(0.5-x/2)P2O5, x=0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6; 0.5PbO center dot xWO(3)center dot(0.5-x)P2O5, x=0.1, 0.2, 0.3; and (0.5-x)PbO. xWO(3)center dot 0.5P(2)O(5), x=0.1, 0.2, 0.3, 04 measured by thermomechanical analysis is reported. The Andrade viscosity equation was successfully used to describe the temperature dependence of viscosity and to evaluate of the temperature independent activation energy for viscous flow. The results are discussed in terms of the glass structure by considering the network forming/modifying function of individual oxides. A simplified structural model is proposed and verified by a multilinear regression analysis of the compositional dependence of the activation energy for viscous flow and the glass transition temperature. The temperature dependence of viscosity of three compositional series of PbO-WO3-P2O5 glasses with compositions (0.5-x/2) PbO center dot xWO(3)center dot(0.5-x/2)P2O5, x=0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6; 0.5PbO center dot xWO(3)center dot(0.5-x)P2O5, x=0.1, 0.2, 0.3; and (0.5-x)PbO. xWO(3)center dot 0.5P(2)O(5), x=0.1, 0.2, 0.3, 04 measured by thermomechanical analysis is reported. The Andrade viscosity equation was successfully used to describe the temperature dependence of viscosity and to evaluate of the temperature independent activation energy for viscous flow. The results are discussed in terms of the glass structure by considering the network forming/modifying function of individual oxides. A simplified structural model is proposed and verified by a multilinear regression analysis of the compositional dependence of the activation energy for viscous flow and the glass transition temperature. (en)
Title	Viscosity and activation energy for viscous flow of PbO-WO3-P2O5 glasses Viscosity and activation energy for viscous flow of PbO-WO3-P2O5 glasses (en)
skos:prefLabel	Viscosity and activation energy for viscous flow of PbO-WO3-P2O5 glasses Viscosity and activation energy for viscous flow of PbO-WO3-P2O5 glasses (en)
skos:notation	RIV/00216275:25310/13:39896465!RIV14-GA0-25310___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP106/10/0283)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Koudelka, Ladislav Rösslerová, Ivana Mošner, Petr
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	Univerzita Pardubice / Fakulta chemicko-technologická
http://linked.open...dnocenehoVysledku	114156
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/13:39896465
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	activation energy; viscous flow; viscosity; phosphate glasses (en)
http://linked.open.../riv/klicoveSlovo	phosphate glasses viscous flow activation energy viscosity
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[5BCBC080241A]
http://linked.open...i/riv/nazevZdroje	Physics and Chemistry of Glasses: European Journal of Glass Science and Technology Part B
http://linked.open...in/vavai/riv/obor	JH
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Ternary phosphate glasses doped with transition metal oxides for optoelectronic applications
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	54
http://linked.open...iv/tvurceVysledku	Liška, Marek Chromčíková, Mária Koudelka, Ladislav Mošner, Petr Rösslerová, Ivana Lissová, Magdaléna
http://linked.open...ain/vavai/riv/wos	000321155900004
issn	1753-3562
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	25310

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