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The Influence of the Mean Stress on the Propagation of Fatigue Cracks in Light Alloy Sheet: An investigation into the effect of reducing stress levels on the rate of crack propagation

D. Broek (National Lucht‐ en Ruimtevaartlaboratorium, Amsterdam)
J. Schijve (National Lucht‐ en Ruimtevaartlaboratorium, Amsterdam)

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Article publication date: 1 March 1967

104

Abstract

Clad 2024‐T3 and 7075‐T6 sheet specimens were loaded at three different load amplitudes and three different mean loads. It turned out that the mean stress had an important influence on the crack propagation rate. The crack growth rate in the 7075 specimens was three to four times as large as in the 2024 specimens.

Citation

Broek, D. and Schijve, J. (1967), "The Influence of the Mean Stress on the Propagation of Fatigue Cracks in Light Alloy Sheet: An investigation into the effect of reducing stress levels on the rate of crack propagation", Aircraft Engineering and Aerospace Technology, Vol. 39 No. 3, pp. 10-18. https://doi.org/10.1108/eb034240

Publisher

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MCB UP Ltd

Copyright © 1967, MCB UP Limited

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