Journal
PHILOSOPHICAL MAGAZINE LETTERS
Volume 91, Issue 8, Pages 537-544Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500839.2011.593576
Keywords
twinning; magnesium alloys; metal forming; electron backscattering diffraction
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Funding
- Academy of Sciences of the Czech Republic [KAN300100801, IAA100100920]
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It is demonstrated that metalworking processes performed at different temperatures can lead to the {10 (1) over bar2}-{10 (1) over bar2} double twinning. This twinning mode has been observed during direct extrusion of the coarse-grained Mg-0.3at.% Al alloy at 433K and analysed in detail on room-temperature rolled magnesium single crystal with the c-axis parallel to transverse direction and the a-axis parallel to rolling direction. The {10 (1) over bar2}-{10 (1) over bar2} double twins originated during initial stage of the formation on coarse-grained and single-crystalline structure.
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