Dislocation nucleation and work hardening in anti-plane constrained shear |
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| Authors: | V L Berdichevsky K C Le |
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| Institution: | 1. Department of Mechanical Engineering, Wayne State University, Detroit, MI, 48202, USA
2. Lehrstuhl für Allgemeine Mechanik, Ruhr-Universit?t Bochum, 44780, Bochum, Germany
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| Abstract: | The paper aims at studying the dislocation nucleation, the corresponding work hardening and the influence of resistance to
the dislocation motion within the framework of continuum theory of dislocations. We consider an anti-plane constrained shear
problem which admits an analytical solution. The interesting features of this solution are the energy and dissipation thresholds
for dislocation nucleation, the Bauschinger translational work hardening, and the size effect.
The financial support by the DFG (German Science Foundation) within the Collaborative Research Center 526 (project D9) for
K.C. Le is gratefully acknowledged |
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| Keywords: | Dislocation nucleation Work hardening Size effect Continuum theory of dislocations |
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