INVESTIGATIONS OF DISLOCATION STRAIN FIELDS USING WEAK BEAMS

被引:576
作者
COCKAYNE, DJ
RAY, ILF
WHELAN, MJ
机构
[1] Department of Metallurgy, University of Oxford, Oxford, Parks Road
来源
PHILOSOPHICAL MAGAZINE | 1969年 / 20卷 / 168期
关键词
D O I
10.1080/14786436908228210
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A method for determining the position of dislocation lines accurately from dislocation images is reported and applied to the case of measuring the separation of partial dislocations. A theoretical analysis of the method is given, and the predictions verified by many-beam computed image profiles. The separation of partial dislocations in Cu + 10at. % Al has been determined using the method. The separation was found to be 120±20 Å. Other applications of the method are suggested. © 1969 Taylor & Francis Group, LLC.
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页码:1265 / &
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