Dislocation nucleation in shocked fcc solids: effects of temperature and preexisting voids
| dc.creator | Hatano, Takahiro | |
| dc.date | 2004-01-14 | |
| dc.date | 2005-03-01 | |
| dc.date.accessioned | 2026-07-07T02:55:53Z | |
| dc.date.available | 2026-07-07T02:55:53Z | |
| dc.description | Quantitative behaviors of shock-induced dislocation nucleation are investigated by means of molecular dynamics simulations on fcc Lennard-Jones solids: a model Argon. In perfect crystals, it is found that Hugoniot elastic limit (HEL) is a linearly decreasing function of temperature: from near-zero to melting temperatures. In a defective crystal with a void, dislocations are found to nucleate on the void surface. Also HEL drastically decreases to 15 percent of the perfect crystal when a void radius is 3.4 nanometer. The decrease of HEL becomes larger as the void radius increases, but HEL becomes insensitive to temperature. | |
| dc.description | 4 pages. (ver.2) All figures have been revised. Two citations are newly added. Numerical unit is unified in the context of solid argon. (ver. 3) A minor revision including new references | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0401230 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0401230 | |
| dc.identifier | Phys. Rev. Lett. 93, 085501 (2004) | |
| dc.identifier | doi:10.1103/PhysRevLett.93.085501 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/23108 | |
| dc.subject | Materials Science | |
| dc.title | Dislocation nucleation in shocked fcc solids: effects of temperature and preexisting voids | |
| dc.type | text |