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  • Termomechanické zpracování tuhého roztoku NiMoCr je způsobem jak ovlivnit velikost zrna. Homogenní hrubozrnná mikrostruktura zvyšuje creepovou pevnost a odolnost proti šíření trhliny. V experimentu je zkoumán proces dosažení homogenní rekrystalizované struktury při změnách termomechanických parametrů. Je zkoumáno creepové chování slitiny po různých podmínkách deformace za tepla. Výsledky creepových zkoušek prokazují že creepové vlastnosti jako napětí a životnost velmi závisí na výchozích podmínkách deformace za tepla a parametrech žíhání. (cs)
  • The thermomechanical processing of NiMoCr solid solution nickel base superalloy is the way to considerably influence the grain size. As uniform coarse grain size increases the creep strength and crack growth resistance. In the work, the processing to achieve uniform recrystallized grain structure with variation of thermomechanical parameters is investigated. The creep behaviour of the alloy after various hot working conditions is determined. The results of creep tests showed that creep characteristics such as strain rate and lifetime were greatly dependent on the initial hot working conditions and annealing parameters.
  • The thermomechanical processing of NiMoCr solid solution nickel base superalloy is the way to considerably influence the grain size. As uniform coarse grain size increases the creep strength and crack growth resistance. In the work, the processing to achieve uniform recrystallized grain structure with variation of thermomechanical parameters is investigated. The creep behaviour of the alloy after various hot working conditions is determined. The results of creep tests showed that creep characteristics such as strain rate and lifetime were greatly dependent on the initial hot working conditions and annealing parameters. (en)
Title
  • Materials Properties of Modifeied Ni-Based Alloy
  • Materials Properties of Modifeied Ni-Based Alloy (en)
  • Materiálové vlastnosti slitin na bázi niklu (cs)
skos:prefLabel
  • Materials Properties of Modifeied Ni-Based Alloy
  • Materials Properties of Modifeied Ni-Based Alloy (en)
  • Materiálové vlastnosti slitin na bázi niklu (cs)
skos:notation
  • RIV/26316919:_____/07:#0000083!RIV09-GA0-26316919
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA106/06/1352)
http://linked.open...iv/cisloPeriodika
  • 46 (3)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 432295
http://linked.open...ai/riv/idVysledku
  • RIV/26316919:_____/07:#0000083
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • NiMOCr, microstructure, creep (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • HR - Chorvatská republika
http://linked.open...ontrolniKodProRIV
  • [2605564237B2]
http://linked.open...i/riv/nazevZdroje
  • Metallurgy
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 2007
http://linked.open...iv/tvurceVysledku
  • Němeček, Stanislav
  • Kraus, Libor
issn
  • 0543-5846
number of pages
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