Some Aspects of Variable Amplitude Fatigue

A Gwider 1 N. Ranganathan 1
1 MMP - Mécanique des Matériaux et Procédés
LaMé - Laboratoire de Mécanique Gabriel Lamé
Abstract : Fatigue crack growth behavior of selected aluminum alloys under variable amplitude loading is discussed in this study, based principally on experimental observations. The tests include single overloads tests in different environments, and tests using an aircraft wing loading spectrum. It is shown that conditions favoring a planar slip behavior lead to very high delays as opposed to conditions leading to multiple slip behavior. An anomalous effect is observed in an aluminum Lithium alloy.
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Submitted on : Wednesday, August 21, 2019 - 2:47:23 PM
Last modification on : Saturday, September 14, 2019 - 1:43:10 AM

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  • HAL Id : hal-02148305, version 1

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A Gwider, N. Ranganathan. Some Aspects of Variable Amplitude Fatigue. Int J Metall Met Phys, 2019, 4. ⟨hal-02148305⟩

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