Inter-relationships between disclinations, surface dislocations and grain boundaries
作者:
M.J. Marcinkowski,
期刊:
Philosophical Magazine Letters
(Taylor Available online 1990)
卷期:
Volume 62,
issue 1
页码: 19-23
ISSN:0950-0839
年代: 1990
DOI:10.1080/09500839008203734
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
It has been shown that the disclination dipole description of a grain boundary is equivalent to the surface dislocation model in the limit of low angular misorientations. Neither model is compatible with the classical formulation of Burgers, which is shown to be incomplete. For larger angles, on the other hand, the situation becomes more complex, and the surface dislocation approach is seen to be the most desirable.
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