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Distinguishing between slip and twinning events during nanoindentation of magnesium alloy AZ31

Guo, Tingting, Siska, Filip and Barnett, M. R. 2016, Distinguishing between slip and twinning events during nanoindentation of magnesium alloy AZ31, Scripta materialia, vol. 110, pp. 10-13.

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Title Distinguishing between slip and twinning events during nanoindentation of magnesium alloy AZ31
Author(s) Guo, Tingting
Siska, Filip
Barnett, M. R.
Journal name Scripta materialia
Volume number 110
Start page 10
End page 13
Total pages 4
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-01-01
ISSN 1359-6462
Keyword(s) AFM
CPFEM
Magnesium alloy
Nanoindentation
Summary Nanoindentation was performed in selected grain orientations close to [. 112-0] and [. 101-0] in magnesium alloy Mg-3Al-1Zn. The atomic force microscopy (AFM) and electron backscatter diffraction (EBSD) were used to examine the nanoindentation imprint. Two critical events, yielding and pop-in were observed in the depth-load curves. Slip trace analysis suggests that basal slip is responsible for yielding. The following pop-in events at higher loads are associated with the appearance {. 101-2} twins on the surface. The critical resolved shear stress (CRSS) was estimated to be in the range of 220-400. MPa for the initiation of basal slip.
Language eng
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970102 Expanding Knowledge in the Physical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30077292

Document type: Journal Article
Collection: Institute for Frontier Materials
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Created: Fri, 28 Aug 2015, 13:11:58 EST

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