Abstract
Within continuum dislocation theory the plane constrained shear of a single crystal strip with two active slip systems is considered. An analytical solution is found for symmetric double slip which exhibits the energetic and dissipative thresholds for dislocation nucleation, the Bauschinger translational work hardening, and the size effects. Comparison with discrete dislocation simulations shows good agreement between the discrete and continuum approaches. Numerical procedures in the general case of non-symmetric double slip are proposed.
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