Sample size and orientation effects of single crystal aluminum

The mechanical behavior of single crystal Al sample with different sizes in mini-, micro- and nano-scales and different loading directions along [111] and [110] have been systematically investigated. The sample size and orientation effects are examined. The results are compared with previously repor...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2016-04, Vol.662, p.296-302
Main Authors: Wu, J.H., Tsai, W.Y., Huang, J.C., Hsieh, C.H., Huang, Guan-Rong
Format: Article
Language:English
Subjects:
Aluminum
Compression test
Dislocation mobility
Focused ion beam
Mechanical properties
Microstructure
Nickel
Orientation
Single crystal aluminum
Single crystals
Size effect
Stacking fault energy
Tension test
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Summary:The mechanical behavior of single crystal Al sample with different sizes in mini-, micro- and nano-scales and different loading directions along [111] and [110] have been systematically investigated. The sample size and orientation effects are examined. The results are compared with previously reported data on other face-centered cubic Ni, Cu, Au and Ag, establishing an interesting trend for sample size effect with respect to stacking fault energy. With higher stacking fault energy and thus higher dislocation mobility such as Al, the sample size dependence would be lower.
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2016.03.076