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Statements

Subject Item
n2:RIV%2F68081723%3A_____%2F02%3A07023126%21RIV%2F2003%2FAV0%2FA07003%2FN
rdf:type
n16:Vysledek skos:Concept
dcterms:description
The high temperature creep data for an ODS Cu-0.01ZrO(2) alloy reported by Nagorka et al. (Metall. Mater. Trans. A, 26A, 1995, p. 873) are reinterpreted applying some microstructural data of the same authors. Two concepts of creep in this dispersion strengthened alloy are considered: (1) the true threshold stress concept and (2) the concept of thermally activated detachment of dislocations from interacting dispersed particles, specifically the model of creep presented by Rosler and Arzt - RA model (Acta Metall. Mater., 38, 1990, p. 671). The creep data analysed cover relatively narrow interval (not exceeding three orders of magnitude) of the creep strain rates measured at two temperatures only. Nevertheless, the application of the true threshold stress concept led to the conclusion that the creep in the ODS Cu alloy is lattice-diffusion-controlled and the true stress exponent of creep rate n is close to that of creep in copper. The model of creep, controlled by thermally activated detachment of disloc The high temperature creep data for an ODS Cu-0.01ZrO(2) alloy reported by Nagorka et al. (Metall. Mater. Trans. A, 26A, 1995, p. 873) are reinterpreted applying some microstructural data of the same authors. Two concepts of creep in this dispersion strengthened alloy are considered: (1) the true threshold stress concept and (2) the concept of thermally activated detachment of dislocations from interacting dispersed particles, specifically the model of creep presented by Rosler and Arzt - RA model (Acta Metall. Mater., 38, 1990, p. 671). The creep data analysed cover relatively narrow interval (not exceeding three orders of magnitude) of the creep strain rates measured at two temperatures only. Nevertheless, the application of the true threshold stress concept led to the conclusion that the creep in the ODS Cu alloy is lattice-diffusion-controlled and the true stress exponent of creep rate n is close to that of creep in copper. The model of creep, controlled by thermally activated detachment of disloc
dcterms:title
Novel Interpretation of High Temperature Creep in an ODS Cu-ZrO2 Alloy. Novel Interpretation of High Temperature Creep in an ODS Cu-ZrO2 Alloy.
skos:prefLabel
Novel Interpretation of High Temperature Creep in an ODS Cu-ZrO2 Alloy. Novel Interpretation of High Temperature Creep in an ODS Cu-ZrO2 Alloy.
skos:notation
RIV/68081723:_____/02:07023126!RIV/2003/AV0/A07003/N
n4:strany
133;145
n4:aktivita
n6:Z n6:P
n4:aktivity
P(IBS2041001), Z(AV0Z2041904)
n4:cisloPeriodika
3
n4:dodaniDat
n11:2003
n4:domaciTvurceVysledku
n8:3249514 n8:7680546
n4:druhVysledku
n18:J
n4:duvernostUdaju
n5:S
n4:entitaPredkladatele
n7:predkladatel
n4:idSjednocenehoVysledku
656056
n4:idVysledku
RIV/68081723:_____/02:07023126
n4:jazykVysledku
n13:eng
n4:klicovaSlova
ODS Cu Alloys; Creep
n4:klicoveSlovo
n12:Creep n12:ODS%20Cu%20Alloys
n4:kodStatuVydavatele
SK - Slovenská republika
n4:kontrolniKodProRIV
[D8C1048BF9DE]
n4:nazevZdroje
KOVOVÉ MATERIÁLY
n4:obor
n17:JI
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
2
n4:pocetUcastnikuAkce
0
n4:pocetZahranicnichUcastnikuAkce
0
n4:projekt
n15:IBS2041001
n4:rokUplatneniVysledku
n11:2002
n4:svazekPeriodika
40
n4:tvurceVysledku
Kuchařová, Květa Čadek, Josef
n4:zamer
n14:AV0Z2041904
s:issn
0023-432X
s:numberOfPages
13