Influence of Twins on Short Fatigue Cracks in Type 316L Stainless Steel

S. Al Shahrani; T. James Marrow

doi:10.4028/www.scientific.net/KEM.465.507

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Influence of Twins on Short Fatigue Cracks in Type 316L Stainless Steel

Abstract:

The nature of arrested cracks in run-out fatigue tests of a type 316L austenitic stainless steel with electropolished surfaces has been investigated. The fatigue limit was determined in rotating-bending by means of the staircase method to be 302 ± 5 MPa. Arrested crack nuclei were shown to arrest at coherent deformation twins, developed by fatigue.

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Periodical:

Key Engineering Materials (Volume 465)

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507-510

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.465.507

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Online since:

January 2011

Authors:

S. Al Shahrani, T. James Marrow

Keywords:

Austenitic Stainless Steel, Fatigue Limit, Twin

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