FOURFOLD DISSOCIATION OF 1/3(112BAR0) SUPERLATTICE DISLOCATIONS IN TI3AL

被引：19
|
作者：
MINONISHI, Y
机构：
[1] Institute for Materials Research, Tohoku University, Sendai
来源：
PHILOSOPHICAL MAGAZINE LETTERS | 1990年 / 62卷 / 03期
关键词：
D O I：
10.1080/09500839008215052
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Weak-beam observation electron microscopy has been performed on 1/3 <1120= superlattice dislocations lying on the (1100) prism planes in Ti3Al single crystals deformed at room temperature. The dislocations observed are mostly of edge character. They are found to dissociate into four partials on the prism plane; a superdislocation into two unit dislocations with an associated antiphase boundary in between and the latter again into partials bounding a complex stacking fault. © 1990 Taylor & Francis Group, LLC.
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页码：153 / 158
页数：6
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