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Statements

Subject Item
n2:RIV%2F68081723%3A_____%2F02%3A07023107%21RIV%2F2003%2FAV0%2FA07003%2FN
rdf:type
n14:Vysledek skos:Concept
dcterms:description
A previous investigation of creep behavior in an Al-8.5Fe-1.3V-1.7Si (8009AI type) alloy processed by rapid solidification and strengthened with small incoherent Al-12 (Fe,V)(3)Si phase particles, is extended to temperatures ranging from 773 to 923 K using the isothermal constant-stress-creep test technique. While in the temperature interval 623-723 K the creep behavior of the alloy is associated with the true threshold stress, at 773-923 K the true threshold stress is absent: the apparent stress exponent of minimum creep strain rate, m,, decreases with decreasing applied stress. Assuming a temperature independent value of the relaxation factor k(R) characterizing the strength of attractive dislocation/Al-12(Fe,V)(3)Si particle interaction, an attempt is made to interpret the minimum creep strain rate behavior in terms of the Rosler-Arzt model. The structure factor C following from the fitting procedure differs from that calculated from the structure data by a factor in average equal to 60. The activ A previous investigation of creep behavior in an Al-8.5Fe-1.3V-1.7Si (8009AI type) alloy processed by rapid solidification and strengthened with small incoherent Al-12 (Fe,V)(3)Si phase particles, is extended to temperatures ranging from 773 to 923 K using the isothermal constant-stress-creep test technique. While in the temperature interval 623-723 K the creep behavior of the alloy is associated with the true threshold stress, at 773-923 K the true threshold stress is absent: the apparent stress exponent of minimum creep strain rate, m,, decreases with decreasing applied stress. Assuming a temperature independent value of the relaxation factor k(R) characterizing the strength of attractive dislocation/Al-12(Fe,V)(3)Si particle interaction, an attempt is made to interpret the minimum creep strain rate behavior in terms of the Rosler-Arzt model. The structure factor C following from the fitting procedure differs from that calculated from the structure data by a factor in average equal to 60. The activ
dcterms:title
High Temperature Creep of an Al-8,5Fe-1,3V-1,7Si Alloy. High Temperature Creep of an Al-8,5Fe-1,3V-1,7Si Alloy.
skos:prefLabel
High Temperature Creep of an Al-8,5Fe-1,3V-1,7Si Alloy. High Temperature Creep of an Al-8,5Fe-1,3V-1,7Si Alloy.
skos:notation
RIV/68081723:_____/02:07023107!RIV/2003/AV0/A07003/N
n3:strany
69;84
n3:aktivita
n12:P n12:Z
n3:aktivity
P(IBS2041001), Z(AV0Z2041904)
n3:cisloPeriodika
2
n3:dodaniDat
n6:2003
n3:domaciTvurceVysledku
n16:3249514 n16:7680546
n3:druhVysledku
n13:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n7:predkladatel
n3:idSjednocenehoVysledku
647565
n3:idVysledku
RIV/68081723:_____/02:07023107
n3:jazykVysledku
n4:eng
n3:klicovaSlova
Al-8,5Fe 1,3V 1,7Si alloy; creep behavior, true threshold stress
n3:klicoveSlovo
n10:true%20threshold%20stress n10:Al-8 n10:creep%20behavior n10:3V%201 n10:5Fe%201 n10:7Si%20alloy
n3:kodStatuVydavatele
SK - Slovenská republika
n3:kontrolniKodProRIV
[A66D36E2CAD0]
n3:nazevZdroje
KOVOVÉ MATERIÁLY
n3:obor
n17:JI
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:pocetUcastnikuAkce
0
n3:pocetZahranicnichUcastnikuAkce
0
n3:projekt
n9:IBS2041001
n3:rokUplatneniVysledku
n6:2002
n3:svazekPeriodika
40
n3:tvurceVysledku
Kuchařová, Květa Čadek, Josef Zhu, S. J.
n3:zamer
n18:AV0Z2041904
s:issn
0023-432X
s:numberOfPages
16