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Description
  • Two austenitic-ferritic duplex steels with different nitrogen content were subjected to cyclic loading in a wide interval of fatigue lives with controlled plastic strain amplitude and controlled stress amplitude. Cyclic hardening/softening curves, cyclic stress-strain curves and fatigue life curves were measured and parameters of individual curves were evaluated. Both types of loading result in nearly identical cyclic stress-strain curves and fatigue life curves. Cyclic stress-strain curve and Wöhler curve of a superduplex steel are higher than those of duplex steel but Manson-Coffin curves of both steels are identical. The experimental data and evaluated parameters characterise the fatigue resistance of both advanced materials in a wide interval of fatigue lives.
  • Two austenitic-ferritic duplex steels with different nitrogen content were subjected to cyclic loading in a wide interval of fatigue lives with controlled plastic strain amplitude and controlled stress amplitude. Cyclic hardening/softening curves, cyclic stress-strain curves and fatigue life curves were measured and parameters of individual curves were evaluated. Both types of loading result in nearly identical cyclic stress-strain curves and fatigue life curves. Cyclic stress-strain curve and Wöhler curve of a superduplex steel are higher than those of duplex steel but Manson-Coffin curves of both steels are identical. The experimental data and evaluated parameters characterise the fatigue resistance of both advanced materials in a wide interval of fatigue lives. (en)
  • Dvě austeniticko-feritické duplexní oceli s rozdílným obsahem dusíku byly podrobeny cyklickému zatěžování s konstantními amplitudami plastické deformace a napětí v širokém intervalu životností. Byly měřeny křivky cyklického zpevnění/změkčení, cyklické deformační křivky a křivky životnosti a byly určeny jejich parametry. Oba typy zatěžování skýtají téměř identické cycklické deformační křivky a křivky životnosti. Cyklická deformační křivka a Wöhlerova křivka superduplexní oceli leží nad odpovídajícími křivkami duplexní oceli. Avšak Mansonovy-Coffinovy křivky obou ocelí jsou identické. Experimentální údaje spolu s vyhodnocenými parametry charakterizují únavovou odolnost obou pokročilých materiálů v širokém intervalu životností. (cs)
Title
  • Cyclic plastic response and fatigue life of duplex and superduplex stainless steel
  • Cyklická plastická odezva a únavová životnost duplexní a superduplexní nerezové oceli (cs)
  • Cyclic plastic response and fatigue life of duplex and superduplex stainless steel (en)
skos:prefLabel
  • Cyclic plastic response and fatigue life of duplex and superduplex stainless steel
  • Cyklická plastická odezva a únavová životnost duplexní a superduplexní nerezové oceli (cs)
  • Cyclic plastic response and fatigue life of duplex and superduplex stainless steel (en)
skos:notation
  • RIV/68081723:_____/05:00024841!RIV06-AV0-68081723
http://linked.open.../vavai/riv/strany
  • 280;289
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA106/02/0584), Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika
  • 4
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
  • 516719
http://linked.open...ai/riv/idVysledku
  • RIV/68081723:_____/05:00024841
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • duplex steel; fatigue life; cyclic plasticity (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • SK - Slovenská republika
http://linked.open...ontrolniKodProRIV
  • [D482D4950F3B]
http://linked.open...i/riv/nazevZdroje
  • Kovové materiály
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
  • 43 2005
http://linked.open...iv/tvurceVysledku
  • Polák, Jaroslav
http://linked.open...n/vavai/riv/zamer
issn
  • 0023-432X
number of pages
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