Abstract
Fatigue damage in polycrystalline metals is caused by the microcrack formation in accumulated slip bands due to repeated loading. These slip bands develop in favorably oriented grains located on the material surface as a result of irreversible dislocation glide process.
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Notes
- 1.
In the calculation of damage increments, material can be simplified to be perfectly plastic. In reality, however, material shows strain-hardening to a certain extent, and hence increments of stress and strain can be related uniquely.
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Murakami, S. (2012). Fatigue Damage. In: Continuum Damage Mechanics. Solid Mechanics and Its Applications, vol 185. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-2666-6_7
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DOI: https://doi.org/10.1007/978-94-007-2666-6_7
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