Abstract
The images of dissociated dislocations, simulated by a computer controlled cathode ray display system are compared with experimentally observed images in Cu-10 at. % Al crystals. The comparison allows the dislocations to be identified unambiguously and the details of the dislocation-dislocation interactions to be deduced. It is concluded that in crystals deformed into stage II of the work-hardening curve primary and secondary dislocations interact to form short lengths of Lomer-Cottrell dislocation as assumed in the forest theory of the flow stress.
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