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Article Dans Une Revue Scripta Materialia Année : 2007

Collinear superjogs and the low-stress response of f.c.c. crystals.

Résumé

The mutual interactions of dislocation lines containing collinear superjogs are investigated in face-centered cubic crystals by dislocation dynamics simulations in single slip and for various loading axes. The examination of the dislocation microstructures, dislocation densities and stress–strain curves allows the origin of work hardening during stage I to be clarified and explains the unusual hardening that is observed experimentally in [0 0 1] crystals at low stresses.

Dates et versions

hal-00276783 , version 1 (02-05-2008)

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Benoît Devincre, Ladislas P. Kubin, Thierry Hoc. Collinear superjogs and the low-stress response of f.c.c. crystals.. Scripta Materialia, 2007, 57, pp.905-908. ⟨10.1016/j.scriptamat.2007.07.026⟩. ⟨hal-00276783⟩
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