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A dislocation model of plasticity with particular application to fatigue crack closure

Abstract:

The ability to predict fatigue crack growth rates is essential in safety critical systems. The discovery of fatigue crack closure in 1970 caused a flourish of research in attempts to simulate this behaviour, which crucially affects crack growth rates. Historically, crack tip plasticity models have been based on one-dimensional rays of plasticity emanating from the crack tip, either co-linear with the crack (for the case of plane stress), or at a chosen angle in the plane of analysis (for p...

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Institution:
University of Oxford
Research group:
University Technology Centre for Solid Mechanics
Oxford college:
Trinity College
Department:
Mathematical,Physical & Life Sciences Division - Engineering Science
Role:
Author

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Supervisor
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Supervisor
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Funding agency for:
Dougan Kelk McKellar
Publication date:
2001
Type of award:
DPhil
Level of award:
Doctoral
URN:
uuid:45183b90-017f-4ac1-9550-94772a0ca88b
Local pid:
ora:5159

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