Journal
PHILOSOPHICAL MAGAZINE LETTERS
Volume 94, Issue 4, Pages 251-259Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500839.2014.892219
Keywords
CCSL; magnesium alloys; crystallography; interfacial structures; precipitation
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Funding
- National Natural Science Foundation of China [51171088]
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Interfacial structures in facets of the basal Mg2Sn lath approximately along were characterized using high-resolution transmission electron microscopy. A set of periodic misfit-compensating ledges is observed along the irrational major facet, which deviates from by an angle of around 5 degrees. The observation is interpreted quantitatively using a constrained secondary coincidence-site lattice model. The calculation results reveal a favourable singular structure with a specific configuration of steps, showing good agreement with the experimental observations.
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