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Statements

Subject Item
n2:RIV%2F61389005%3A_____%2F06%3A00048319%21RIV07-AV0-61389005
rdf:type
skos:Concept n18:Vysledek
dcterms:description
The mechanism of the low cycle fatigue in alpha-gamma duplex stainless steel was examined by the neutron diffraction technique performed in situ upon mechanical exposure consisting of the tension-compression cycles with the strain amplitude of 0.8 %. Deformation response of both constituent components, i.e. ferrite and austenite, was studied in situ during the individual applied cycle in detail. Furthermore, the evolution of the residual strains in both phases after tensile and compressive unloading was monitored during cycling. Information on the evolution of lattice strains and microstrains has been obtained from the diffraction profiles collected during the fatigue experiment. The results show different deformation behavior and hardening of austenite and ferrite. The evolution of internal stresses and residual stresses detected in both phases during individual cycles is strongly affected by initial stresses present in both phases. Výsledky difrakčního experimentu provedeného in situ v průběhu nizkocyklového namáhání přinesly informace o vývoji makroskopického i mikroskopického napětí v obou fázích duplexni oceli a přispěly k popisu únavových mechanismů v tomto materiálu. The mechanism of the low cycle fatigue in alpha-gamma duplex stainless steel was examined by the neutron diffraction technique performed in situ upon mechanical exposure consisting of the tension-compression cycles with the strain amplitude of 0.8 %. Deformation response of both constituent components, i.e. ferrite and austenite, was studied in situ during the individual applied cycle in detail. Furthermore, the evolution of the residual strains in both phases after tensile and compressive unloading was monitored during cycling. Information on the evolution of lattice strains and microstrains has been obtained from the diffraction profiles collected during the fatigue experiment. The results show different deformation behavior and hardening of austenite and ferrite. The evolution of internal stresses and residual stresses detected in both phases during individual cycles is strongly affected by initial stresses present in both phases.
dcterms:title
In situ neutron diffraction study of the low cycle fatigue of the alpha-gamma duplex stainless steel In situ neutronová difrakční studie nízkocyklové únavy v alfa-gama duplexni nerezové oceli In situ neutron diffraction study of the low cycle fatigue of the alpha-gamma duplex stainless steel
skos:prefLabel
In situ neutronová difrakční studie nízkocyklové únavy v alfa-gama duplexni nerezové oceli In situ neutron diffraction study of the low cycle fatigue of the alpha-gamma duplex stainless steel In situ neutron diffraction study of the low cycle fatigue of the alpha-gamma duplex stainless steel
skos:notation
RIV/61389005:_____/06:00048319!RIV07-AV0-61389005
n3:strany
357;362
n3:aktivita
n12:P n12:Z
n3:aktivity
P(GA202/03/0891), P(IAA1048107), P(IAA2041201), Z(AV0Z10480505), Z(AV0Z20410507)
n3:cisloPeriodika
2
n3:dodaniDat
n9:2007
n3:domaciTvurceVysledku
n7:6994172 n7:2944936 n7:4663667
n3:druhVysledku
n10:J
n3:duvernostUdaju
n8:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
479126
n3:idVysledku
RIV/61389005:_____/06:00048319
n3:jazykVysledku
n15:eng
n3:klicovaSlova
neutron diffraction; fatique; duplex steel
n3:klicoveSlovo
n13:fatique n13:duplex%20steel n13:neutron%20diffraction
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[D6D94C789476]
n3:nazevZdroje
Zeitschrift für Kristallographie
n3:obor
n17:BM
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:projekt
n5:GA202%2F03%2F0891 n5:IAA2041201 n5:IAA1048107
n3:rokUplatneniVysledku
n9:2006
n3:svazekPeriodika
23
n3:tvurceVysledku
Muránsky, Ondrej Polák, Jaroslav Jenčuš, Peter Lukáš, Petr
n3:zamer
n11:AV0Z20410507 n11:AV0Z10480505
s:issn
0044-2968
s:numberOfPages
6