About: Applicability of Fraser-Suzuki function in kinetic analysis of complex crystallization processes

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://link.springer.com/article/10.1007%2Fs10973-012-2445-9
Description	A modified peak-deconvolution procedure for complex crystallization processes was introduced. The method is based on the constrained curve-fitting technique using the Fraser-Suzuki (FS) function, where the FS asymmetry parameter a (3) correlates with the value of the Johnson-Mehl-Avrami (JMA) kinetic parameter m. The correlation was verified for an extensive number of theoretically simulated JMA curves; in addition, the dependencies of the a (3) parameter on other kinetic variables (E, A, q (+)) were quantified. The suggested deconvolution procedure was tested on two glassy systems with different overlay degree of the involved overlapping surface and bulk crystallization processes. In both cases, the kinetic analysis of deconvoluted data provided reasonable, consistent and accurate results. However, certain level of knowledge and experience was needed in order to correctly recognize and consequently account for all deviations from the theoretical behavior caused by thermal gradients or imperfections of the data acquisition process. As the input data for the fitting procedure can be in any form equivalent to the d alpha/dT temperature dependence, the method seems to be highly universal and may be applied to data obtained by various TA techniques. A modified peak-deconvolution procedure for complex crystallization processes was introduced. The method is based on the constrained curve-fitting technique using the Fraser-Suzuki (FS) function, where the FS asymmetry parameter a (3) correlates with the value of the Johnson-Mehl-Avrami (JMA) kinetic parameter m. The correlation was verified for an extensive number of theoretically simulated JMA curves; in addition, the dependencies of the a (3) parameter on other kinetic variables (E, A, q (+)) were quantified. The suggested deconvolution procedure was tested on two glassy systems with different overlay degree of the involved overlapping surface and bulk crystallization processes. In both cases, the kinetic analysis of deconvoluted data provided reasonable, consistent and accurate results. However, certain level of knowledge and experience was needed in order to correctly recognize and consequently account for all deviations from the theoretical behavior caused by thermal gradients or imperfections of the data acquisition process. As the input data for the fitting procedure can be in any form equivalent to the d alpha/dT temperature dependence, the method seems to be highly universal and may be applied to data obtained by various TA techniques. (en)
Title	Applicability of Fraser-Suzuki function in kinetic analysis of complex crystallization processes Applicability of Fraser-Suzuki function in kinetic analysis of complex crystallization processes (en)
skos:prefLabel	Applicability of Fraser-Suzuki function in kinetic analysis of complex crystallization processes Applicability of Fraser-Suzuki function in kinetic analysis of complex crystallization processes (en)
skos:notation	RIV/00216275:25310/13:39896266!RIV14-GA0-25310___
http://linked.open...avai/predkladatel	Fakulta chemicko-technologická
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP106/11/1152)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Svoboda, Roman Málek, 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	Univerzita Pardubice / Fakulta chemicko-technologická
http://linked.open...dnocenehoVysledku	61661
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/13:39896266
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Fraser-Suzuki function; JMA model; crystallization kinetics; deconvolution (en)
http://linked.open.../riv/klicoveSlovo	Fraser-Suzuki function JMA model crystallization kinetics deconvolution
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[27F0E5E43D91]
http://linked.open...i/riv/nazevZdroje	Journal of Thermal Analysis and Calorimetry
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Reversible crystallization and structural relaxation in amorphous materials used for phase change recording
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	111
http://linked.open...iv/tvurceVysledku	Málek, Jiří Svoboda, Roman
http://linked.open...ain/vavai/riv/wos	000313409700008
issn	1388-6150
number of pages	12 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s10973-012-2445-9
http://localhost/t...ganizacniJednotka	25310

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