Lill JV, Broughton JQ. Molecular dynamics simulation of a glissile dislocation interface propagating a martensitic transformation.
PHYSICAL REVIEW LETTERS 2000;
84:5784-5787. [PMID:
10991054 DOI:
10.1103/physrevlett.84.5784]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/1999] [Indexed: 05/23/2023]
Abstract
The method of Parrinello and Rahman is generalized to include slip in addition to deformation of the simulation cell. Equations of motion are derived, and a microscopic expression for traction is introduced. Lagrangian constraints are imposed so that the combination of deformation and slip conform to the invariant plane shear characteristic of martensites. Simulation of a model transformation demonstrates the nucleation and propagation of a glissile dislocation interface.
Collapse