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Effect of a high angle grain boundary on deformation behavior of Al nanopillars.
- Source :
-
Scripta Materialia . Oct2015, Vol. 107, p5-9. 5p. - Publication Year :
- 2015
-
Abstract
- The effect of inclusion of a grain boundary in nanopillar was studied using Al bicrystal with [3 4 3]/[ 13 17 ‾ 14 ] orientation. Ex situ compression results showed higher strengths in bicrystal pillars than in single crystal pillars, which is explained with respect to the reduced single-armed source length that was confirmed in the in situ TEM tests. Molecular dynamics simulations indicated that the grain boundary can assist in dislocation nucleations without resulting in dislocation pile-up at the boundary. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 13596462
- Volume :
- 107
- Database :
- Academic Search Index
- Journal :
- Scripta Materialia
- Publication Type :
- Academic Journal
- Accession number :
- 108432333
- Full Text :
- https://doi.org/10.1016/j.scriptamat.2015.05.005