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Description
  • Austenitic steels for boiler superheater tubes are intended for regions where the metal temperature is in the interval of 620°C to 680°C. This application has higher requirements for adequate creep characteristics and corrosion resistance of the used materials. The paper presents new knowledge on the new wrought austenitic steel BGA4 (23Cr-15Ni-6Mn-1.5W-2.5Cu-0.3V-0,5Nb-Mo,B,N) developed by the British Corus company. The paper focuses on the creep properties studied in SVÚM a.s. Prague during COST 536 programme. The dependencies of the creep strength, strength for specific creep strain and minimum creep strain rate were evaluated on the basis of the long term creep tests carried out at temperatures between 625°C and 725°C. Metallographical analyses are also a part of the work.
  • Austenitic steels for boiler superheater tubes are intended for regions where the metal temperature is in the interval of 620°C to 680°C. This application has higher requirements for adequate creep characteristics and corrosion resistance of the used materials. The paper presents new knowledge on the new wrought austenitic steel BGA4 (23Cr-15Ni-6Mn-1.5W-2.5Cu-0.3V-0,5Nb-Mo,B,N) developed by the British Corus company. The paper focuses on the creep properties studied in SVÚM a.s. Prague during COST 536 programme. The dependencies of the creep strength, strength for specific creep strain and minimum creep strain rate were evaluated on the basis of the long term creep tests carried out at temperatures between 625°C and 725°C. Metallographical analyses are also a part of the work. (en)
  • Austenitické oceli pro kotlové přehřívákové trubky jsou určeny pro oblasti, kde je teplota kovu v rozmezí 620-680°C. Tato aplikace přináší zvýšené požadavky na adekvátní creepové charakteristiky a korozní odolnost použitých materiálů. Referát uvádí poznatky o nové tvářené austenitické oceli BGA4 (23Cr-15Ni-6Mn-1,5W-2,5Cu-0,3V-0,5Nb-Mo,B,N), vyvíjené britskou firmou CORUS. Je zaměřen na creepové vlastnosti, které jsou sledovány v SVÚM a.s., Praha. Závislosti meze pevnosti při tečení, meze tečení a minimální rychlosti tečení byly vyhodnoceny na základě dlouhodobých zkoušek tečení provedených při teplotách 625-725°C. Součástí prací byly též metalografické rozbory. (cs)
Title
  • Creep Properties of Wrought Austenitic BGA4 Steel
  • Creep Properties of Wrought Austenitic BGA4 Steel (en)
  • Creepové vlastnosti tvářené austenitické ocele BGA4 (cs)
skos:prefLabel
  • Creep Properties of Wrought Austenitic BGA4 Steel
  • Creep Properties of Wrought Austenitic BGA4 Steel (en)
  • Creepové vlastnosti tvářené austenitické ocele BGA4 (cs)
skos:notation
  • RIV/25797000:_____/09:#0000125!RIV09-MSM-25797000
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1P05OC020)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 308530
http://linked.open...ai/riv/idVysledku
  • RIV/25797000:_____/09:#0000125
http://linked.open...riv/jazykVysledku
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  • Austenitic steel; creep characteristics; the effect of exposure on structure; metallography (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [B2939307A026]
http://linked.open...v/mistoKonaniAkce
  • Zurich
http://linked.open...i/riv/mistoVydani
  • USA
http://linked.open...i/riv/nazevZdroje
  • Creep & fracture in high temperature components – Design & Life assessment issues
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...iv/tvurceVysledku
  • Hakl, Jan
  • Novák, Pavel
  • Vlasák, Tomáš
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
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  • DEStech Publication, Inc
https://schema.org/isbn
  • 978-1-60595-005-1
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