Paper Titles

Preface, Committee

Fractograpic Observations and Effect of Stress Ratio on Fatigue Striations Spacing in Aluminium Alloy 2024 T351
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HomeMaterials Science ForumMaterials Science Forum Vol. 887Fractograpic Observations and Effect of Stress...

Fractograpic Observations and Effect of Stress Ratio on Fatigue Striations Spacing in Aluminium Alloy 2024 T351

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Abstract:

In this paper, effect of stress ratio was investigated on macro and micro of fatigue crack growth rates (FCGRs) of Al-alloy 2024 T351. Microscopic fatigue crack growth rate present a change of slope with respect to the macroscopic fatigue crack growth rate. In addition, an increasing in stress ratio increases the fatigue life. Fractographic examination showed the presence of striations in Paris domain and secondary cracks at grain boundaries.

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Periodical:

Materials Science Forum (Volume 887)

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3-8

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.887.3

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Online since:

March 2017

Authors:

Mustapha Benachour*, Nadjia Benachour, Mohamed Benguediab

Keywords:

Aluminium Alloy, Fatigue Crack Growth, Stress Ratio, Striations Spacing

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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