Abstract

The properties of creep subboundaries and dislocation walls which are built up as a result of work-hardening are reviewed. These include the constituent dislocations and their geometry, the associated stress fields, their mobility and the way in which they recover during annealing treatments. The process of cell formation and fragmentation is discussed in terms of these properties. The features of cell walls and subboundaries and their evolution are compared with prominent theoretical models.

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