Abstract
Using molecular dynamics with an accurate many-body potential for metallic Tantalum, we studied crack propagation in a pre-notched nano-slab under uniaxial strain in a [100] direction. We study dislocation emission from the crack tip for various strain rate and temperatures, focusing on the influence of the local temperature at the crack tip on the propagation of the crack. We find a close connection between the local temperature at the crack tip and dislocation emission.
| Original language | English |
|---|---|
| Pages (from-to) | 151-159 |
| Number of pages | 9 |
| Journal | Journal of Computer-Aided Materials Design |
| Volume | 8 |
| Issue number | 2-3 |
| DOIs | |
| Publication status | Published - 1 Dec 2001 |
| Externally published | Yes |
| Event | 3rd Annual Caltech ASCI/ASAP Center materials Properties Workshop - Urbana, IL, United States Duration: 24 Jan 2001 → 25 Jan 2001 |
Keywords
- Crack propagation
- Ductile fracture
- Failure
- Molecular dynamics
- Tantalum
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