About: Activation energy in hot forming and recrystallization models for magnesium alloy AZ31

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Kinetics of the dynamic, as well as postdynamic recrystallization of the wrought magnesium alloy AZ31, was ascertained. Continuous compression tests associated with the study of dynamic recrystallization were realized at temperatures from 523 to 723 K and at the strain rates from 0.001 to 10 s-1. The activation energy in hot forming was determined as Q = 158 kJ/mol for stress-strain curves of conventional shape, or Q = 146 kJ/mol for stress-strain curves with the concave initial phase affected by twinning. If the Zener-Hollomon parameter Z>9.131012 s21 the deformation necessary for the initiation of dynamic recrystallization is almost independent on the forming parameters. Using the results of the stress relaxation tests, equations describing the kinetics of metadynamic recrystallization and the grain size originated in such a way were developed and the effect of individual variables was evaluated. Kinetics of the dynamic, as well as postdynamic recrystallization of the wrought magnesium alloy AZ31, was ascertained. Continuous compression tests associated with the study of dynamic recrystallization were realized at temperatures from 523 to 723 K and at the strain rates from 0.001 to 10 s-1. The activation energy in hot forming was determined as Q = 158 kJ/mol for stress-strain curves of conventional shape, or Q = 146 kJ/mol for stress-strain curves with the concave initial phase affected by twinning. If the Zener-Hollomon parameter Z>9.131012 s21 the deformation necessary for the initiation of dynamic recrystallization is almost independent on the forming parameters. Using the results of the stress relaxation tests, equations describing the kinetics of metadynamic recrystallization and the grain size originated in such a way were developed and the effect of individual variables was evaluated. (en)
Title	Activation energy in hot forming and recrystallization models for magnesium alloy AZ31 Activation energy in hot forming and recrystallization models for magnesium alloy AZ31 (en)
skos:prefLabel	Activation energy in hot forming and recrystallization models for magnesium alloy AZ31 Activation energy in hot forming and recrystallization models for magnesium alloy AZ31 (en)
skos:notation	RIV/61989100:27360/13:86088480!RIV14-MSM-27360___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED0040/01/01)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kawulok, Petr Schindler, Ivo
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	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	59386
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/13:86088480
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	postdynamic softening.; magnesium alloy AZ31; grain size; dynamic recrystallization; Activation energy (en)
http://linked.open.../riv/klicoveSlovo	postdynamic softening. grain size Activation energy magnesium alloy AZ31 dynamic recrystallization
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[3215ED67EA78]
http://linked.open...i/riv/nazevZdroje	Journal of Materials Engineering and Performance
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Regional materials science and technology centre
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	22
http://linked.open...iv/tvurceVysledku	Hadasik, Eugeniusz Kawulok, Petr Kuc, Dariusz Schindler, Ivo
http://linked.open...ain/vavai/riv/wos	000314899800032
issn	1059-9495
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s11665-012-0327-8
http://localhost/t...ganizacniJednotka	27360

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