Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 700, Issue -, Pages 226-233Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2017.05.105
Keywords
Twinning; Variant selection; Magnesium alloy; Strain accommodation
Categories
Funding
- National Natural Science Foundation of China [51571045, 51421001]
- National Basic Research Program of China (973 Project) [2013CB632204]
- China Scholarship Council (CSC) [201506055014]
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Multiple primary {10 (1) over bar2} twins were generated when samples of a hot-rolled AZ31 alloy plate were deformed in tension along the normal direction. Secondary {10 (1) over bar2} twins also formed within the wider primary twins (PTs). Most of the secondary twins (STs) were located at the intersections of two PTs. The crystallographic orientation relationships (ORs) between 34 STs and their host PTs were analyzed. Although ten different ORs have the potential to form, only two were observed. Here 28 of the STs had misorientations of 49.7 degrees <<(9)over bar>09 (4) over bar> with respect to their hosts. The observed variant selection is explained in terms of strain accommodation by basal glide in the host PT.
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