| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 7974791 | Materials Science and Engineering: A | 2016 | 6 Pages |
Abstract
Fatigue strength and cracking behavior of ultrathin Ag films on flexible polyimide substrates were investigated. The experimental results show that the enhanced fatigue strength of the 50Â nm-thick Ag films not only is caused by the increase in the yield stress and the suppression of cyclic strain localization, but also results from the severe crack deflection induced by the formation of nanotwins, which delays the fatigue crack initiation and enhances the resistance to the fatigue crack growth. The fatigue cracking mechanism for the nanocrystalline metal films is evaluated.
Related Topics
Physical Sciences and Engineering
Materials Science
Materials Science (General)
Authors
H.Y. Wan, X.M. Luo, X. Li, W. Liu, G.P. Zhang,