Influence of different loading paths on the multiaxial fatigue behavior of 2024 aluminum alloy under the same amplitude values of the second invariant of the stress deviator tensor

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Published Dec 28, 2020
DOI https://doi.org/10.3221/IGF-ESIS.55.25

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Andrey Yankin
Center of Experimental Mechanics, Perm National Research Polytechnic University, Perm, Russian Federation
https://orcid.org/0000-0002-0895-4912 A.I. Mugatarov
Center of Experimental Mechanics, Perm National Research Polytechnic University, Perm, Russian Federation
https://orcid.org/0000-0002-2229-8181 V.E. Wildemann
Center of Experimental Mechanics, Perm National Research Polytechnic University, Perm, Russian Federation

Abstract

2024 aluminum alloy is a common aeronautic material. During operations, construction elements made of aluminum alloys undertake complex cyclic loadings. Therefore, it is important to estimate the influence of these loadings on the durability of the material. Hereby, multiaxial fatigue tests with the same amplitude values of the second invariant of the stress deviator tensor are conducted, and test data are analyzed. The modified Sines method is utilized to predict fatigue experimental data. Results show that the model is accurate enough to fatigue behavior prediction of 2024 aluminum alloy. 

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    Issue
    Vol. 15 No. 55 (2021): January 2021
    Section
    Fatigue

    How to Cite

    Yankin, A., Mugatarov, A. and Wildemann, V. (2020) “Influence of different loading paths on the multiaxial fatigue behavior of 2024 aluminum alloy under the same amplitude values of the second invariant of the stress deviator tensor”, Frattura ed Integrità Strutturale, 15(55), pp. 327–335. doi: 10.3221/IGF-ESIS.55.25.
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