期刊
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷 117, 期 1, 页码 196-204出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1915140117
关键词
disconnection; disclination; metal; mineral
资金
- National Science Foundation (NSF) [CMMI-1661686]
- NSF [EAR-1624178]
A different type of defect, the coherency disclination, is added to disclination types. Disconnections that include disclination content are considered. A criterion is suggested to distinguish disconnections with dislocation content from those with disclination content. Electron microscopy reveals unit disconnections in a low albite grain boundary, defects important in grain boundary sliding. Disconnections of varying step heights are displayed and shown to define both deformed and recovered structures.
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