An Investigation of the Growth of Multi-site Fatigue Cracks

An Investigation of the Growth of Multi-site Fatigue Cracks

Test data obtained within the small crack growth regime of multi-site fatigue cracks are examined. Swain's partitioning criterion (1992) is used to distinguish between cracks that arrest and cracks that continue to grow until fracture. A statistical application of this criterion indicates that...

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Veröffentlicht in:International journal of fracture 2007-06, Vol.145 (4), p.329-332
Hauptverfasser: Carlson, R L, Cappelli, M D, Kardomateas, G A
Format: Artikel
Sprache:eng
Schlagworte:
Collection
Crack propagation
Cracks
Criteria
Fatigue cracks
Fatigue failure
Fatigue tests
Fracture mechanics
Partitioning
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Zusammenfassung:Test data obtained within the small crack growth regime of multi-site fatigue cracks are examined. Swain's partitioning criterion (1992) is used to distinguish between cracks that arrest and cracks that continue to grow until fracture. A statistical application of this criterion indicates that the total collection of multi-site cracks on multiple specimens has a bi-modal distribution.
ISSN:0376-9429
1573-2673
DOI:10.1007/s10704-007-9126-x