About: Activation energy of the aluminium alloy Mg-3Al-1Zn in hot forming

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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	Compression tests of specimens from the aluminium alloy Mg-3Al-1Zn (AZ31) at temperature T = 250 to 450 °C and strain rate gama=0.01 to 10 s-1 were performed. From the peaks of the obtained stress-strain curves, the values of the activation energy Q and other material constants, usable for the description of the maximum stress and the kinetics of the dynamic recrystallization in dependence on the Zener-Hollomon parameter Z were expressed numerically. The deformation behaviour and especially the shape of the stress-strain curves differ significantly at the low and high values of the parameter Z. The boundary between these areas was determined mathematically as Z = 2.9E+13 s-1. While the specified activation energy Q was for these both areas nearly identical (157 or 155 kJ/mol, respectively), the mathematical description of the coordinates of the stress peak is markedly different. The changes in the deformation behaviour consist in a strong effect of twinning in the initial stages of forming in the case Compression tests of specimens from the aluminium alloy Mg-3Al-1Zn (AZ31) at temperature T = 250 to 450 °C and strain rate gama=0.01 to 10 s-1 were performed. From the peaks of the obtained stress-strain curves, the values of the activation energy Q and other material constants, usable for the description of the maximum stress and the kinetics of the dynamic recrystallization in dependence on the Zener-Hollomon parameter Z were expressed numerically. The deformation behaviour and especially the shape of the stress-strain curves differ significantly at the low and high values of the parameter Z. The boundary between these areas was determined mathematically as Z = 2.9E+13 s-1. While the specified activation energy Q was for these both areas nearly identical (157 or 155 kJ/mol, respectively), the mathematical description of the coordinates of the stress peak is markedly different. The changes in the deformation behaviour consist in a strong effect of twinning in the initial stages of forming in the case (en)
Title	Activation energy of the aluminium alloy Mg-3Al-1Zn in hot forming Activation energy of the aluminium alloy Mg-3Al-1Zn in hot forming (en)
skos:prefLabel	Activation energy of the aluminium alloy Mg-3Al-1Zn in hot forming Activation energy of the aluminium alloy Mg-3Al-1Zn in hot forming (en)
skos:notation	RIV/61989100:27360/09:00022050!RIV10-MSM-27360___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6198910015)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Schindler, Ivo Legerski, Miroslav
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	301832
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/09:00022050
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Activation energy; magnesium alloy; AZ31 (en)
http://linked.open.../riv/klicoveSlovo	Activation energy magnesium alloy AZ31
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[3F75C7971DFC]
http://linked.open...i/riv/nazevZdroje	Hutnické listy
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...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	62
http://linked.open...iv/tvurceVysledku	Hadasik, Eugeniusz Kuc, Dariusz Legerski, Miroslav Schindler, Ivo
http://linked.open...n/vavai/riv/zamer	Structural potentiality and properties of intensively formed materials
issn	0018-8069
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	27360

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