| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1498963 | Scripta Materialia | 2013 | 4 Pages |
Abstract
A theoretical model has been proposed to illustrate the effect of shear-coupled migration of grain boundaries on crack growth in deformed nanocrystalline materials. The shear-coupled migration process is initiated by the stress concentration near the tip of a mode I crack. The results obtained show that the coupled shear plays a key role in enhancing the fracture toughness of nanocrystalline materials, and the shear-coupled migration process can serve as an effective toughening mechanism in nanocrystalline materials.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Jianjun Li, A.K. Soh,