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Characteristics of the contraction twins formed close to the fracture surface in Mg-3A1-1Zn alloy deformed in tension

Cizek, P. and Barnett, M. 2008, Characteristics of the contraction twins formed close to the fracture surface in Mg-3A1-1Zn alloy deformed in tension, Scripta Materialia, vol. 59, no. 9, pp. 959-962.


Title Characteristics of the contraction twins formed close to the fracture surface in Mg-3A1-1Zn alloy deformed in tension
Author(s) Cizek, P.
Barnett, M.
Journal name Scripta Materialia
Volume number 59
Issue number 9
Start page 959
End page 962
Publisher Pergamon
Place of publication Oxford, England
Publication date 2008-11
ISSN 1359-6462
1872-8456
Keyword(s) magnesium alloys
plastic deformation
transmission electron microscopy (TEM)
twinning
misorientation
Summary Characteristics of the “contraction” twins, formed close to the fracture surface in Mg–3Al–1Zn alloy deformed in tension approximately perpendicular to the grain c-axes, are investigated using transmission electron microscopy. The grain c-axis contractions were largely accommodated by {1011}-{1012} source double-twins in a variant characterized by 38° ⟨1210⟩ source twin/matrix misorientation in conjunction with dislocation slip. A possible interpretation of the observed preference for this variant formation is given and some crystal plasticity modelling is performed to elucidate the matter.
Language eng
Field of Research 091207 Metals and Alloy Materials
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2008
Copyright notice ©2008, Acta Materialia Inc.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30017267

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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