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Title: Terrace-like morphology of the boundary created through basal-prismatic transformation in magnesium

Here, the boundaries created through basal-prismatic transformation in submicron-sized single crystal magnesium have been investigated systematically using in situ transmission electron microscopy. We found that these boundaries not only deviated significantly from the twin plane associated with {101¯2} twin, but also possessed a non-planar morphology. After the sample was thinned to be less than 90 nm, aberration-corrected scanning transmission electron microscopy observation found that the basic components of these boundaries are actually terrace-like basal-prismatic interfaces.
Authors:
 [1] ;  [1] ;  [2] ;  [3] ;  [1]
  1. Xi'an Jiaotong Univ., Xi'an (People's Republic of China)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Xi'an Jiaotong Univ., Xi'an (People's Republic of China); Johns Hopkins Univ., Baltimore, MD (United States)
Publication Date:
OSTI Identifier:
1246341
Report Number(s):
LA-UR--14-28993
Journal ID: ISSN 1359-6462; PII: S1359646215000020
Grant/Contract Number:
50925104; 11132006; 51231005; 51201127; 51321003; AC52-06NA25396
Type:
Accepted Manuscript
Journal Name:
Scripta Materialia
Additional Journal Information:
Journal Volume: 100; Journal Issue: C; Journal ID: ISSN 1359-6462
Publisher:
Elsevier
Research Org:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE basal-prismatic interfaces; grain boundaries; magnesium; TEM