Large-Scale Molecular Dynamics Simulations of Dislocation Intersection in Copper
- 6 March 1998
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 279 (5356) , 1525-1527
- https://doi.org/10.1126/science.279.5356.1525
Abstract
The results of massively parallel three-dimensional molecular dynamics simulations of the perpendicular intersection of extended dislocations in copper are reported. The intersection process, which involves three of the four possible {111} glide planes in the face-centered cubic lattice, begins with junction formation, followed by unzipping, partial dislocation bowing, cutting, and, finally, unit jog formation. The investigation provides insights into this complex atomistic process, which is currently not accessible to experimental investigation.Keywords
This publication has 16 references indexed in Scilit:
- Large-Scale Molecular Dynamics Simulations of Three-Dimensional Ductile FailurePhysical Review Letters, 1997
- Simulations of forest interactions and strain hardening in FCC crystalsModelling and Simulation in Materials Science and Engineering, 1994
- Dislocation core-core interaction and Peierls stress in a model hexagonal latticePhysical Review B, 1994
- The embedded-atom method: a review of theory and applicationsMaterials Science Reports, 1993
- A constitutive description of the deformation of copper based on the use of the mechanical threshold stress as an internal state variableActa Metallurgica, 1988
- The Extension of Jogs on Dissociated Dislocations in F.C.C. MetalsPhysica Status Solidi (a), 1979
- The formation and glide of jogs in low stacking-fault energy face-centred cubic materialsPhilosophical Magazine, 1977
- The strength of dislocation barriersActa Metallurgica, 1966
- Fehlstellenerzeugung durch aufgespaltene Versetzungssprünge in kubisch‐flächenzentrierten MetallenPhysica Status Solidi (b), 1965
- Dislocation energies in anisotropic crystalsActa Metallurgica, 1955