Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1498423 | Scripta Materialia | 2014 | 4 Pages |
Abstract
Microtensile experiments have been performed to elucidate the mechanical response of ultrafine-grained Mg thin films. Strengths of 160 MPa and elongations up to 8% were measured. Post-deformation electron microscopy indicates a lack of intragranular dislocation confinement. While strength does increase with decreasing grain size, the size effect for hexagonal Mg is not as strong as that reported for face-centered cubic metals. Strength appears to be governed by a lack of dislocation pile-up as well as texture and Peierls effects.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
J.A. Sharon, Y. Zhang, F. Mompiou, M. Legros, K.J. Hemker,