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  • On the basis of the uniaxial compression tests realized in the temperature range from 800 °C to 1200 °C and at strain rates from 0.05 s-1 to 30 s-1 the value of the activation energy at hot forming of coarse-grained as-cast iron aluminide Fe 40at.%Al-Zr-B was calculated as Q = 502 kJ.mol-1. With use of this material constant, relatively precise mathematical description of the maximum flow stress and the corresponding strain in dependence on the Zener-Hollomon parameter was possible. At high of the Zener-Hollomon parameter slight decrease in flow stress occurs even without significant course of dynamic recrystallization, which was discovered by metallographical analysis.
  • On the basis of the uniaxial compression tests realized in the temperature range from 800 °C to 1200 °C and at strain rates from 0.05 s-1 to 30 s-1 the value of the activation energy at hot forming of coarse-grained as-cast iron aluminide Fe 40at.%Al-Zr-B was calculated as Q = 502 kJ.mol-1. With use of this material constant, relatively precise mathematical description of the maximum flow stress and the corresponding strain in dependence on the Zener-Hollomon parameter was possible. At high of the Zener-Hollomon parameter slight decrease in flow stress occurs even without significant course of dynamic recrystallization, which was discovered by metallographical analysis. (en)
Title
  • Dynamic recrystallization of the alloy Fe-40at.%Al-Zr-B
  • Dynamic recrystallization of the alloy Fe-40at.%Al-Zr-B (en)
skos:prefLabel
  • Dynamic recrystallization of the alloy Fe-40at.%Al-Zr-B
  • Dynamic recrystallization of the alloy Fe-40at.%Al-Zr-B (en)
skos:notation
  • RIV/61989100:27360/14:86092142!RIV15-MSM-27360___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(ED0040/01/01), P(GAP107/10/0438)
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
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  • 12671
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  • RIV/61989100:27360/14:86092142
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  • microstructure; activation energy; dynamic recrystallization; iron aluminides (en)
http://linked.open.../riv/klicoveSlovo
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  • CH - Švýcarská konfederace
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  • [5E38F74710D2]
http://linked.open...i/riv/nazevZdroje
  • Key Engineering Materials. Volume 592-593
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  • 592-593
http://linked.open...iv/tvurceVysledku
  • Kawulok, Petr
  • Rusz, Stanislav
  • Schindler, Ivo
  • Kawulok, Rostislav
http://linked.open...ain/vavai/riv/wos
  • 000336694400033
issn
  • 1013-9826
number of pages
http://bibframe.org/vocab/doi
  • 10.4028/www.scientific.net/KEM.592-593.161
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  • 27360
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