About: Kinetic phenomena in non-crystalline materials studied by thermal analysis

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About: Kinetic phenomena in non-crystalline materials studied by thermal analysis 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	The structural relaxation and viscosity behavior of Ge38S62 glass has been studied by thermomechanical analysis. The relaxation response to any thermal history is well described by the Tool-Naraynaswamy-Moynihan model. The apparent activation energy of structural relaxation is very close to the activation energy of viscous flow (Eç=478?12 kJ mol-1). However, the activation energy of crystal growth obtained by optical microscopy is about one half of this value. Similar result has been obtained from isothermal DSC measurement (Ea=220?20 kJ mol-1). The kinetic analysis of these data reveals interface controlled crystal growth with zero nucleation rate. The structural relaxation and viscosity behavior of Ge38S62 glass has been studied by thermomechanical analysis. The relaxation response to any thermal history is well described by the Tool-Naraynaswamy-Moynihan model. The apparent activation energy of structural relaxation is very close to the activation energy of viscous flow (Eç=478?12 kJ mol-1). However, the activation energy of crystal growth obtained by optical microscopy is about one half of this value. Similar result has been obtained from isothermal DSC measurement (Ea=220?20 kJ mol-1). The kinetic analysis of these data reveals interface controlled crystal growth with zero nucleation rate. (en) The structural relaxation and viscosity behavior of Ge38S62 glass has been studied by thermomechanical analysis. The relaxation response to any thermal history is well described by the Tool-Naraynaswamy-Moynihan model. The apparent activation energy of structural relaxation is very close to the activation energy of viscous flow (Eç=478?12 kJ mol-1). However, the activation energy of crystal growth obtained by optical microscopy is about one half of this value. Similar result has been obtained from isothermal DSC measurement (Ea=220?20 kJ mol-1). The kinetic analysis of these data reveals interface controlled crystal growth with zero nucleation rate. (cs)
Title	Kinetický jev v nekrystalických materiálech studovaných termickou analýzou (cs) Kinetic phenomena in non-crystalline materials studied by thermal analysis Kinetic phenomena in non-crystalline materials studied by thermal analysis (en)
skos:prefLabel	Kinetický jev v nekrystalických materiálech studovaných termickou analýzou (cs) Kinetic phenomena in non-crystalline materials studied by thermal analysis Kinetic phenomena in non-crystalline materials studied by thermal analysis (en)
skos:notation	RIV/00216275:25310/03:00000553!RIV08-MSM-25310___
http://linked.open.../vavai/riv/strany	289-297
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA104/01/0030), P(GP104/02/P087), Z(MSM 253100001)
http://linked.open...iv/cisloPeriodika	72
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Honcová, Pavla Málek, Jiří Shánělová, Jana
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	612205
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/03:00000553
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Chalcogenide Glasses; Crystallization; Glass Transition; Kinetic Models; Structural Relaxation; Viscosity (en)
http://linked.open.../riv/klicoveSlovo	Structural Relaxation Crystallization Glass Transition Viscosity Chalcogenide Glasses Kinetic Models
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[7FA0479E126A]
http://linked.open...i/riv/nazevZdroje	Journal of Thermal Analysis and Calorimetry (Paper)
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Structural relaxation in amorphous materials Viscosity behavior of undercooled chalcogenide melts
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	neuveden
http://linked.open...iv/tvurceVysledku	Málek, Jiří Shánělová, Jana Pustková, Pavla
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20253100001
issn	1388-6150
number of pages	9 (xsd:int)
http://localhost/t...ganizacniJednotka	25310

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