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Influence of the Notch Radius on Fatigue Crack Propagation in Beam Specimens of 2017A-T4 Alloy

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We present experimental results on the fatigue crack growth in specimens with rectangular cross sections made of 2017A-T4 aluminum alloy under bending. The specimens were weakened by sharp and blunt one-sided notches (for the notch root ρ = 0.2; 5; 10 and 22.5 mm). The tests were performed on a MZGS-100 fatigue test bench in the low- and high-cycle fatigue modes by imposing a constant value of the nominal load ratio R = – 1; 0 and a moment amplitude M a = 15.84 N·m. The results of fatigue tests were then analyzed in terms of the parameter ΔK including the influence of the notch.

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Authors and Affiliations

  1. Opole University of Technology, Opole, Poland

    D. Rozumek & S. Faszynka

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  1. D. Rozumek
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  2. S. Faszynka
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Correspondence to D. Rozumek.

Additional information

Published in Fizyko-Khimichna Mekhanika Materialiv, Vol. 53, No. 3, pp. 112–117, May–June, 2017.

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Rozumek, D., Faszynka, S. Influence of the Notch Radius on Fatigue Crack Propagation in Beam Specimens of 2017A-T4 Alloy. Mater Sci 53, 417–423 (2017). https://doi.org/10.1007/s11003-017-0090-y

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  • DOI: https://doi.org/10.1007/s11003-017-0090-y

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