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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F12%3APU97355%21RIV15-MSM-26210___
rdf:type
skos:Concept n19:Vysledek
dcterms:description
Low cycle fatigue properties at room temperature, 650 C and 750 C of three high chromium steels (9%Cr ferritic–martensitic and two 14%Cr ferritic steels) strengthened by oxide dispersion were studied and compared. Cyclic softening/hardening curves, cyclic deformation curves, S–N curves and Coffin–Manson curves are presented together with microstructural observations. Differences in cyclic response, stress level and fatigue life are attributed to differences in the matrix microstructure. The oxide particles stabilize the cyclic response, even if cyclic softening is detected for some experimental conditions. The strength of these steels is discussed in terms of strengthening mechanisms such as grain size effect, particle-dislocations interaction and dislocation density. Comparing three different ODS steels offers an opportunity to tests the contribution of individual mechanisms to the cyclic strength. The reduction of fatigue life in one of the ferritic steels is explained by the presence of large Low cycle fatigue properties at room temperature, 650 C and 750 C of three high chromium steels (9%Cr ferritic–martensitic and two 14%Cr ferritic steels) strengthened by oxide dispersion were studied and compared. Cyclic softening/hardening curves, cyclic deformation curves, S–N curves and Coffin–Manson curves are presented together with microstructural observations. Differences in cyclic response, stress level and fatigue life are attributed to differences in the matrix microstructure. The oxide particles stabilize the cyclic response, even if cyclic softening is detected for some experimental conditions. The strength of these steels is discussed in terms of strengthening mechanisms such as grain size effect, particle-dislocations interaction and dislocation density. Comparing three different ODS steels offers an opportunity to tests the contribution of individual mechanisms to the cyclic strength. The reduction of fatigue life in one of the ferritic steels is explained by the presence of large
dcterms:title
Effect of microstructure on low cycle fatigue properties of ODS steels Effect of microstructure on low cycle fatigue properties of ODS steels
skos:prefLabel
Effect of microstructure on low cycle fatigue properties of ODS steels Effect of microstructure on low cycle fatigue properties of ODS steels
skos:notation
RIV/00216305:26210/12:PU97355!RIV15-MSM-26210___
n4:aktivita
n15:Z n15:S n15:P
n4:aktivity
P(ED1.1.00/02.0068), P(GA106/09/1954), S, Z(AV0Z20410507)
n4:cisloPeriodika
1
n4:dodaniDat
n6:2015
n4:domaciTvurceVysledku
n11:5413206
n4:druhVysledku
n17:J
n4:duvernostUdaju
n14:S
n4:entitaPredkladatele
n16:predkladatel
n4:idSjednocenehoVysledku
133150
n4:idVysledku
RIV/00216305:26210/12:PU97355
n4:jazykVysledku
n10:eng
n4:klicovaSlova
ODS steels, low cycle fatigue, fusion energy
n4:klicoveSlovo
n9:fusion%20energy n9:low%20cycle%20fatigue n9:ODS%20steels
n4:kodStatuVydavatele
NL - Nizozemsko
n4:kontrolniKodProRIV
[093B0C76D5B2]
n4:nazevZdroje
JOURNAL OF NUCLEAR MATERIALS
n4:obor
n18:JL
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
3
n4:projekt
n5:GA106%2F09%2F1954 n5:ED1.1.00%2F02.0068
n4:rokUplatneniVysledku
n6:2012
n4:svazekPeriodika
424
n4:tvurceVysledku
Fournier, Benjamin Kuběna, Ivo Kruml, Tomáš
n4:zamer
n8:AV0Z20410507
s:issn
0022-3115
s:numberOfPages
8
n12:organizacniJednotka
26210