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Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2018

Coupling between plasticity and phase transition in shock- and ramp-compressed single-crystal iron

Résumé

Molecular dynamics simulations have been used to investigate the coupling process between plasticity and structural phase transformation in single-crystal iron under both shock and ramp compressions. In both cases, iron was found to yield via twinning. Then, the onset of the bcc-hcp phase transformation was shown to be tightly dependent on the plasticity history through a hardening-like effect, which in some conditions may inhibit the nucleation of the hcp phase.
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Dates et versions

hal-02294407 , version 1 (23-09-2019)

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N. Amadou, T. de Resseguier, A. Dragon, E. Brambrink. Coupling between plasticity and phase transition in shock- and ramp-compressed single-crystal iron. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2018, 98 (2), ⟨10.1103/PhysRevB.98.024104⟩. ⟨hal-02294407⟩
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