Formation of Dislocations and Twins As a Result of Uniaxial Compression of Magnesium Single Crystals: Molecular Dynamics Simulation
Journal Article
·
· Crystallography Reports
- Russian Academy of Sciences, Institute of Strength Physics and Materials Science, Siberian Branch (Russian Federation)
An atomistic simulation of the deformation of ideal magnesium crystal along the [112̄0] crystallographic axis has been performed. The evolution of structural defects under load at T = 300–350 K is considered in detail. It is established that the nucleation of dislocations in an ideal crystal occurs when the stress reaches a level of 0.1G (G is the shear modulus). The acting deformation modes are found to be prismatic slip of a dislocations and {101̄3} twinning. The formation of dislocation networks and dislocation sites in the twinning plane is observed. Some reactions are proposed to describe the dislocation evolution in the (3̄034) plane.
- OSTI ID:
- 22758250
- Journal Information:
- Crystallography Reports, Journal Name: Crystallography Reports Journal Issue: 3 Vol. 63; ISSN 1063-7745; ISSN CYSTE3
- Country of Publication:
- United States
- Language:
- English
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