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Statements

Subject Item
n2:RIV%2F68081723%3A_____%2F04%3A07043006%21RIV%2F2004%2FAV0%2FA07004%2FN
rdf:type
n5:Vysledek skos:Concept
dcterms:description
Creep in an Al-8.5Fe-1.3V-1.7Si (8009Al type) alloy dispersion strengthened with fine Al-12(Fe,V)(3)Si phase particles at temperatures 798-848 K is not associated with a true threshold and the same holds for the Alloy reinforced with alumina short fibres. While the true activation energy of creep in the Alloy is higher than the activation enthalpy of lattice self-diffusion in aluminium due to the energy of athermal detachment of dislocations from dispersed particles, this is not the case of the Composite. The true activation energy of creep in the latter is anomalously low and the creep behaviour cannot be described by the creep equation that holds for the Alloy, but contains the factor by which the flow stress in the dispersion strengthened matrix is reduced due to load transfer. Nevertheless, the creep strength of the Composite is, at the certain conditions at least, by a factor up to six orders of magnitude higher than that of the Alloy. This creep strength increment due to alumina short fibre rein Creep in an Al-8.5Fe-1.3V-1.7Si (8009Al type) alloy dispersion strengthened with fine Al-12(Fe,V)(3)Si phase particles at temperatures 798-848 K is not associated with a true threshold and the same holds for the Alloy reinforced with alumina short fibres. While the true activation energy of creep in the Alloy is higher than the activation enthalpy of lattice self-diffusion in aluminium due to the energy of athermal detachment of dislocations from dispersed particles, this is not the case of the Composite. The true activation energy of creep in the latter is anomalously low and the creep behaviour cannot be described by the creep equation that holds for the Alloy, but contains the factor by which the flow stress in the dispersion strengthened matrix is reduced due to load transfer. Nevertheless, the creep strength of the Composite is, at the certain conditions at least, by a factor up to six orders of magnitude higher than that of the Alloy. This creep strength increment due to alumina short fibre rein
dcterms:title
Anomalous high temperature creep behaviour of an Al-8.5Fe-1.3V-1.7Si (8009Al type) alloy reinforced with alumina short fibres. Anomalous high temperature creep behaviour of an Al-8.5Fe-1.3V-1.7Si (8009Al type) alloy reinforced with alumina short fibres.
skos:prefLabel
Anomalous high temperature creep behaviour of an Al-8.5Fe-1.3V-1.7Si (8009Al type) alloy reinforced with alumina short fibres. Anomalous high temperature creep behaviour of an Al-8.5Fe-1.3V-1.7Si (8009Al type) alloy reinforced with alumina short fibres.
skos:notation
RIV/68081723:_____/04:07043006!RIV/2004/AV0/A07004/N
n3:strany
9;20
n3:aktivita
n15:Z n15:P
n3:aktivity
P(IBS2041001), Z(AV0Z2041904)
n3:cisloPeriodika
1
n3:dodaniDat
n12:2004
n3:domaciTvurceVysledku
n8:3249514 n8:7680546
n3:druhVysledku
n17:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
554729
n3:idVysledku
RIV/68081723:_____/04:07043006
n3:jazykVysledku
n6:eng
n3:klicovaSlova
High temperature creep- load transfer
n3:klicoveSlovo
n18:High%20temperature%20creep-%20load%20transfer
n3:kodStatuVydavatele
SK - Slovenská republika
n3:kontrolniKodProRIV
[9A016D72E26B]
n3:nazevZdroje
KOVOVÉ MATERIÁLY
n3:obor
n11:JI
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:pocetUcastnikuAkce
0
n3:pocetZahranicnichUcastnikuAkce
0
n3:projekt
n13:IBS2041001
n3:rokUplatneniVysledku
n12:2004
n3:svazekPeriodika
42
n3:tvurceVysledku
Kuchařová, Květa Čadek, Josef
n3:zamer
n4:AV0Z2041904
s:issn
0023-432X
s:numberOfPages
11