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Statements

Subject Item
n2:RIV%2F68081723%3A_____%2F03%3A07033129%21RIV%2F2004%2FAV0%2FA07004%2FN
rdf:type
skos:Concept n11:Vysledek
dcterms:description
Creep in an Al-8.5Fe-1.3V-1.7Si (8009Al type) alloy dispersion strengthened with fine Al12(Fe,V)3Si phase particles and reinforced with alumina short fibres ů Composite in the following ů is investigated at temperatures 648, 698 and 748 K. The results are compared with those obtained for the composite matrix 8009Al alloy (Alloy in the following) at the same temperatures. Both, the Alloy and the Composite, exhibit true threshold creep behaviour; the true threshold stress decreases rather strongly with increasing temperature. However, independently of temperature, it is about twice as high in the Composite than in the Alloy. This is explained employing the concept of the load transfer effect in the true threshold creep behaviour. The minimum creep strain rate in both the Alloy and the Composite is controlled by the lattice self-diffusion in the matrix. The true stress exponent of minimum creep strain rate in the Composite as well as in the Alloy is very close to 5. The results show that rather dramatic Creep in an Al-8.5Fe-1.3V-1.7Si (8009Al type) alloy dispersion strengthened with fine Al12(Fe,V)3Si phase particles and reinforced with alumina short fibres ů Composite in the following ů is investigated at temperatures 648, 698 and 748 K. The results are compared with those obtained for the composite matrix 8009Al alloy (Alloy in the following) at the same temperatures. Both, the Alloy and the Composite, exhibit true threshold creep behaviour; the true threshold stress decreases rather strongly with increasing temperature. However, independently of temperature, it is about twice as high in the Composite than in the Alloy. This is explained employing the concept of the load transfer effect in the true threshold creep behaviour. The minimum creep strain rate in both the Alloy and the Composite is controlled by the lattice self-diffusion in the matrix. The true stress exponent of minimum creep strain rate in the Composite as well as in the Alloy is very close to 5. The results show that rather dramatic
dcterms:title
The load transfer effect in threshold creep behaviour of 8009 Al alloy matrix composite. The load transfer effect in threshold creep behaviour of 8009 Al alloy matrix composite.
skos:prefLabel
The load transfer effect in threshold creep behaviour of 8009 Al alloy matrix composite. The load transfer effect in threshold creep behaviour of 8009 Al alloy matrix composite.
skos:notation
RIV/68081723:_____/03:07033129!RIV/2004/AV0/A07004/N
n5:strany
28;33
n5:aktivita
n8:P n8:Z
n5:aktivity
P(IAA2041101), Z(AV0Z2041904)
n5:dodaniDat
n6:2004
n5:domaciTvurceVysledku
n7:3249514 n7:7680546
n5:druhVysledku
n16:D
n5:duvernostUdaju
n21:S
n5:entitaPredkladatele
n13:predkladatel
n5:idSjednocenehoVysledku
613721
n5:idVysledku
RIV/68081723:_____/03:07033129
n5:jazykVysledku
n9:eng
n5:klicovaSlova
8009Al Alloy-Threshold stress
n5:klicoveSlovo
n10:8009Al%20Alloy-Threshold%20stress
n5:kontrolniKodProRIV
[24458702893D]
n5:mistoKonaniAkce
Smolenice [SK]
n5:mistoVydani
Bratislava
n5:nazevZdroje
Advanced metallic materials.
n5:obor
n15:JI
n5:pocetDomacichTvurcuVysledku
2
n5:pocetTvurcuVysledku
2
n5:pocetUcastnikuAkce
0
n5:pocetZahranicnichUcastnikuAkce
0
n5:projekt
n18:IAA2041101
n5:rokUplatneniVysledku
n6:2003
n5:tvurceVysledku
Kuchařová, Květa Čadek, Josef
n5:typAkce
n14:WRD
n5:zahajeniAkce
2003-11-05+01:00
n5:zamer
n20:AV0Z2041904
s:numberOfPages
6
n19:hasPublisher
Slovenská akadémia vied
n12:isbn
80-969011-7-6