| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1498349 | Scripta Materialia | 2015 | 4 Pages |
Abstract
What determines if a grain boundary acts as a crack initiation site during fatigue? The grain boundary defines a mismatch of slip systems, which strongly depends on the three-dimensional positions of the boundary plane. In the case of a coherent Σ3 twin boundary, the boundary plane, and thus the mismatch between the slip systems, is known for all possible combinations of active slip systems. Thus, the tendency for crack initiation can be reduced to a purely geometric calculation.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Alain Franz Knorr, Michael Marx, Florian Schaefer,