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A simple representation of crack tip plasticity: the inclined strip yield superdislocation model

✍ Scribed by C. Atkinson; M. F. Kanninen

Publisher
Springer Netherlands
Year
1977
Tongue
English
Weight
625 KB
Volume
13
Category
Article
ISSN
1573-2673

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✦ Synopsis

The basic equations for the representation of crack tip plasticity by an inclined strip yield superdislocation model are derived. The resuRs are put into a form suitable for the analysis of fatigue and other stable crack growth processes. Specialization of the general results for small-scale yielding under a fixed load is also given. The crack tip crack-opening displacement obtained for this situation is compared with finite element and other more rigorously obtained results and found to be in quite good agreement.

πŸ“œ SIMILAR VOLUMES

Plastic yield on inclined slip planes at
Plastic yield on inclined slip planes at the tip of a crack deformed in anti-plane strain
✍ R. W. Lardner πŸ“‚ Article πŸ“… 1968 πŸ› Springer Netherlands 🌐 English βš– 805 KB

The characteristics of the plastic enclave at the tip of a crack in a medium subjected to stress are investigated by means of a dislocation model. A model in which dislocations can glide along a plane coplanar with the crack has previously been given by Bilby, CottreU and Swinden (1), and it is the