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AbstractAbstract
[en] A dislocation model for deformation twinning and cleavage fracture is developed based on the dislocation theory of fracture and the anisotropic elasticity theory of dislocations. The extension of a Mode-I crack and a deformation twin is treated in a unified manner in terms of the surface energy, the twin boundary energy, and the applied stress state. A criterion is established for predicting twin nucleation or crack initiation and is applied to sixteen hexagonal metals
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1979; 6 p; 5. international conference on the strength of metals and alloys; Aachen, Germany, F.R; Aug 1979; Available from NTIS., PC A02/MF A01
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Report
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Conference
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