Abstract
A study has been accomplished to characterize the fatigue crack growth rates and mechanisms in thin and thick plate commercial 7050-T7451 aluminum plate in the L-S orientation. Crack growth and crack shielding with branching behavior of long, through thickness cracks is examined and compared to L-T and T-L oriented growth data. Compact tension specimens and the compliance method were used to determine crack growth rates. Constant ΔK data showed significant retardation of growth rate curves for the L-S orientation in the range of 10 to 13 MPa√m where branching and splitting parallel to the load axis are dominant growth mechanisms. © US Government 2009. © Springer Science+Business Media B.V. 2009.
Cite
CITATION STYLE
Schubbe, J. (2009). Fatigue crack growth in thick plate 7050 aluminum. In ICAF 2009, Bridging the Gap Between Theory and Operational Practice - Proceedings of the 25th Symposium of the International Committee on Aeronautical Fatigue (pp. 909–920). Kluwer Academic Publishers. https://doi.org/10.1007/978-90-481-2746-7_49
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