About: Crystallization kinetics of amorphous alumina zirconia silica ceramics

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Crystallization of amorphous alumina–zirconia–silica ceramics was studied for seven different amorphous materials produced by plasma spraying. The activation energies calculated from DSC traces decrease with increasing SiO2 concentration from 1500 to 900 kJ/mol. Values of the Avrami coefficients together with results of the microstructural observations indicate that tetragonal zirconia crystallization from materials containing more than 10 wt.% SiO2 proceeds by a diffusion-controlled mechanism with nucleation occurring predominantly at the beginning of the process. Material with almost no SiO2 exhibited a value of the Avrami exponent consistent with the crystal growth governed by processes at the phase boundary. Crystallization of amorphous alumina–zirconia–silica ceramics was studied for seven different amorphous materials produced by plasma spraying. The activation energies calculated from DSC traces decrease with increasing SiO2 concentration from 1500 to 900 kJ/mol. Values of the Avrami coefficients together with results of the microstructural observations indicate that tetragonal zirconia crystallization from materials containing more than 10 wt.% SiO2 proceeds by a diffusion-controlled mechanism with nucleation occurring predominantly at the beginning of the process. Material with almost no SiO2 exhibited a value of the Avrami exponent consistent with the crystal growth governed by processes at the phase boundary. (en)
Title	Crystallization kinetics of amorphous alumina zirconia silica ceramics Crystallization kinetics of amorphous alumina zirconia silica ceramics (en)
skos:prefLabel	Crystallization kinetics of amorphous alumina zirconia silica ceramics Crystallization kinetics of amorphous alumina zirconia silica ceramics (en)
skos:notation	RIV/61388980:_____/09:00336711!RIV10-AV0-61388980
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(KAN300430651), Z(AV0Z20430508), Z(AV0Z40320502)
http://linked.open...iv/cisloPeriodika	S2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Klementová, Mariana Hostomský, Jiří
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	Ústav anorganické chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	308619
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/09:00336711
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Nanocomposites; Al2O3; ZrO2; SiO2; Solid-state reaction (en)
http://linked.open.../riv/klicoveSlovo	Al2O3 SiO2 ZrO2 Nanocomposites Solid-state reaction
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[9B22B0A261B7]
http://linked.open...i/riv/nazevZdroje	Microscopy and Microanalysis
http://linked.open...in/vavai/riv/obor	JH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Nanocrystallization of plasma sprayed coatings based on eutectic ceramic alloys
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	15
http://linked.open...iv/tvurceVysledku	Chráska, Tomáš Klementová, Mariana Dubský, Jiří Hostomský, Jiří
http://linked.open...n/vavai/riv/zamer	Physical and chemical processes in plasmas and theis applications Design, syntéza a charakterizace klastrů, kompozitů, komplexů a dalších sloučenin na bázi anorganických látek; mechanismy a kinetika jejich interakcí
issn	1431-9276
number of pages	2 (xsd:int)

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