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Statements

Subject Item
n2:RIV%2F68081723%3A_____%2F14%3A00432553%21RIV15-GA0-68081723
rdf:type
n6:Vysledek skos:Concept
dcterms:description
Austenitic heat resistant Sanicro 25 steel developed for high temperature applications in power generation industry has been subjected to strain controlled low cycle fatigue tests at ambient and at elevated temperature in a wide interval of strain amplitudes. Fatigue hardening/softening curves, cyclic stress-strain curves and fatigue life curves were evaluated at room temperature and at 700 °C. The internal dislocation structures of the material at room and at elevated temperature were studied using transmission electron microscopy. High resolution surface observations and FIB cuts revealed early damage at room temperature in the form of persistent slip bands and at elevated temperature as oxidized grain boundary cracks. Dislocation arrangement study and surface observations were used to identify the cyclic slip localization and to discuss the fatigue softening/hardening behavior and the temperature dependence of the fatigue life. Austenitic heat resistant Sanicro 25 steel developed for high temperature applications in power generation industry has been subjected to strain controlled low cycle fatigue tests at ambient and at elevated temperature in a wide interval of strain amplitudes. Fatigue hardening/softening curves, cyclic stress-strain curves and fatigue life curves were evaluated at room temperature and at 700 °C. The internal dislocation structures of the material at room and at elevated temperature were studied using transmission electron microscopy. High resolution surface observations and FIB cuts revealed early damage at room temperature in the form of persistent slip bands and at elevated temperature as oxidized grain boundary cracks. Dislocation arrangement study and surface observations were used to identify the cyclic slip localization and to discuss the fatigue softening/hardening behavior and the temperature dependence of the fatigue life.
dcterms:title
Low cycle fatigue behavior of Sanicro25 steel at room and at elevated temperature Low cycle fatigue behavior of Sanicro25 steel at room and at elevated temperature
skos:prefLabel
Low cycle fatigue behavior of Sanicro25 steel at room and at elevated temperature Low cycle fatigue behavior of Sanicro25 steel at room and at elevated temperature
skos:notation
RIV/68081723:_____/14:00432553!RIV15-GA0-68081723
n3:aktivita
n14:I n14:P
n3:aktivity
I, P(GA13-23652S)
n3:cisloPeriodika
OKT
n3:dodaniDat
n10:2015
n3:domaciTvurceVysledku
n4:9884149 n4:3491870 n4:5413206 n4:7066325 n4:2240750
n3:druhVysledku
n16:J
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
26662
n3:idVysledku
RIV/68081723:_____/14:00432553
n3:jazykVysledku
n17:eng
n3:klicovaSlova
Sanicro 25 steel; Cyclic plasticity; Dislocation structure; Fatigue life; Effect of temperature
n3:klicoveSlovo
n7:Dislocation%20structure n7:Fatigue%20life n7:Cyclic%20plasticity n7:Effect%20of%20temperature n7:Sanicro%2025%20steel
n3:kodStatuVydavatele
CH - Švýcarská konfederace
n3:kontrolniKodProRIV
[BBA2DF960368]
n3:nazevZdroje
Materials Science and Engineering A-Structural materials
n3:obor
n11:JL
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
6
n3:projekt
n5:GA13-23652S
n3:rokUplatneniVysledku
n10:2014
n3:svazekPeriodika
615
n3:tvurceVysledku
Petráš, Roman Kuběna, Ivo Kruml, Tomáš Chai, G. Heczko, Milan Polák, Jaroslav
n3:wos
000343336400022
s:issn
0921-5093
s:numberOfPages
8