期刊
SCRIPTA MATERIALIA
卷 67, 期 4, 页码 388-391出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2012.05.032
关键词
In situ compression; Scanning/transmission electron microscopy (STEM); Dislocation; Iron silicon alloy; Plastic deformation
类别
资金
- Ministry of Education, Science, Sports and Culture [23560852]
- Grants-in-Aid for Scientific Research [23560852] Funding Source: KAKEN
In situ compression of a body-centered cubic single crystal Fe-3% Si pillar in transmission electron microscopy (TEM) by scanning TEM mode was performed to observe a single dislocation moving through the pillar in real time. The deformation is characterized by a series of pronounced pop-ins, which are accompanied by increases in stress. It is shown that these stress increases are caused by the change from an edge dislocation dominated process to a screw dislocation dominated process. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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