Fatigue crack growth under remote and local compression – a state-of-the-art review
There is an ever increasing need for accurate understanding of the fatigue crack growth behaviour in major engineering materials and components. With the move towards more complex, probabilistic assessments, the traditional ‘safe’ or conservative approach for prediction of fatigue crack growth rat...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Gruppo Italiano Frattura
2016-01-01
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| Series: | Fracture and Structural Integrity |
| Subjects: | |
| Online Access: | http://www.gruppofrattura.it/pdf/rivista/numero35/numero_35_art_05.pdf |
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| Summary: | There is an ever increasing need for accurate understanding of the fatigue crack growth behaviour
in major engineering materials and components. With the move towards more complex, probabilistic
assessments, the traditional ‘safe’ or conservative approach for prediction of fatigue crack growth rate may no
longer be attractive. Current codes and standards tend to be ambiguous about the treatment of compressive
stress cycles: on the one hand code guidance on fatigue crack initiation may be non-conservative, while
assessment of crack propagation may be inconsistently conservative. Where codes are non-conservative they
could lead to dangerous assessments. The current paper provides a critical review of state-of-the-art in
literature and a study of current code implications. |
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| ISSN: | 1971-8993 1971-8993 |