. "High Temperature Creep of an Al-8,5Fe-1,3V-1,7Si Alloy."@en . . . "Kucha\u0159ov\u00E1, Kv\u011Bta" . "High Temperature Creep of an Al-8,5Fe-1,3V-1,7Si Alloy." . "40" . "2" . . "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"@en . . "0023-432X" . "High Temperature Creep of an Al-8,5Fe-1,3V-1,7Si Alloy."@en . "[A66D36E2CAD0]" . . . "SK - Slovensk\u00E1 republika" . "RIV/68081723:_____/02:07023107" . "647565" . . . "16"^^ . "Al-8,5Fe 1,3V 1,7Si alloy; creep behavior, true threshold stress"@en . "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" . . "RIV/68081723:_____/02:07023107!RIV/2003/AV0/A07003/N" . . "\u010Cadek, Josef" . . . "P(IBS2041001), Z(AV0Z2041904)" . . . . . . "2"^^ . "69;84" . "KOVOV\u00C9 MATERI\u00C1LY" . . "Zhu, S. J." . "3"^^ . . "0"^^ . "High Temperature Creep of an Al-8,5Fe-1,3V-1,7Si Alloy." . . "0"^^ .