Issue 30

G. Meneghetti et alii, Frattura ed Integrità Strutturale, 30 (2014) 191-200; DOI: 10.3221/IGF-ESIS.30.25 200 [15] Walker, K., The effect of stress ratio during crack propagation and fatigue for 2024-T3 and 7075-T6 aluminum, ASTM STP, 462 (1970) 1-14. [16] Vasudevan, A.K., Sadananda, K., Glinka, G., Critical parameters for fatigue damage, Int. J. Fatigue, 23S (2001) S39- S53. [17] Kujawski, D., A new (ΔK + ·K max ) 0.5 driving force parameter for crack growth in aluminum alloys, Int J Fatigue, 23 (2001) 733-740. [18] Kujawski, D., A fatigue crack driving force parameter with load ratio effects, Int. J. Fatigue, 23 (2001) S239-S246 [19] Stoychev, S., Kujawski, D., Analysis of crack propagation using  K and K max , Int. J. Fatigue, 27 (2005) 1425-1431. [20] Audenino, A. L., Goglio, L., Rossetto, M., Metodi sperimentali per la progettazione, Levrotto&Bella, Torino, Italy (1997). [21] ASTM E112 - 12 Standard Test Methods for Determining Average Grain Size.