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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)
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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)
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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)
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skos:notation
| - RIV/61989100:27360/09:00022050!RIV10-MSM-27360___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/61989100:27360/09:00022050
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - Activation energy; magnesium alloy; AZ31 (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Hadasik, Eugeniusz
- Kuc, Dariusz
- Legerski, Miroslav
- Schindler, Ivo
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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http://localhost/t...ganizacniJednotka
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