Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1502094 | Scripta Materialia | 2008 | 4 Pages |
Abstract
Contrary to the common belief that many-fold twins in nanophase materials are due to the action of significant external stresses, we report molecular dynamics simulations of 5 nm grain size Cu samples annealed at 800 K showing the formation of fivefold twins with no external pressure. The structure of the many-fold twins is remarkably similar to those we have found to occur under uniaxial shock loading in nanocrystalline NiW. The formation mechanism of the many-fold twins is discussed.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
E.M. Bringa, Diana Farkas, A. Caro, Y.M. Wang, J. McNaney, R. Smith,