[Kovove materialy - Metallic materials]
    Sat - November 01, 2025 - 00:13 No. of hits : 1940312 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 43 (2005), Issue 6

Failure of Al-alloy AK 4-1c under creep-fatigue interaction conditions
NOVY, F., PALCEK, P., CHALUPOVA, M.
vol. 43 (2005), no. 6, pp. 447 - 456

Abstract
The mechanism of failure of AK 4-1 aluminium alloy was investigated at the temperature of 543 K under creep-high frequency fatigue (20 kHz) conditions. The minimum creep rate and time to fracture were the main criteria being considered to evaluate creepfatigue interaction. Due to the effect of the cyclic loading the minimum creep rate slightly increases and time to fracture significantly decreases. The cyclic loading has a significant influence on the total lifetime and fracture mechanism governing the alloy deformation behaviour.

Key words
AK 4-1 aluminium alloy, creep-fatigue interaction, high frequency fatigue, failure mechanisms

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
The official abbreviation in accordance with JCR ISI is Kovove Mater.

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