Raghavan, R. ; Ayer, R. ; Jin, H. W. ; Marzinsky, C. N. ; Ramamurty, U. (2008) Effect of shot peening on the fatigue life of a Zr-based bulk metallic glass Scripta Materialia, 59 (2). pp. 167-170. ISSN 1359-6462
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.scriptamat.2008.03.009
Abstract
The fatigue lives of a Zr-based bulk metallic glass (BMG) in the as-cast and shot-peened conditions were evaluated. Results suggest that shot peening does not cause significant enhancement of the fatigue performance of the BMG. Cracks were observed to nucleate in subsurface regions. This was attributed to the domination of the compressive residual stress field on the surface over deformation-induced plastic flow softening that otherwise leads to easy nucleation of shear bands which act like microcracks.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Metallic Glasses; Nanoindentation; Fatigue; Shear Bands; Residual Stresses |
| ID Code: | 62509 |
| Deposited On: | 22 Sep 2011 03:10 |
| Last Modified: | 22 Sep 2011 03:10 |
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