Effect of Mg Addition on the Ferrite Grain Boundaries Misorientation in HAZ of Low Carbon Steels

被引：0
|
作者：
Kai Zhu and Zhenguo Yang Department of Materials Science
机构：
来源：
Journal of Materials Science & Technology | 2011年 / 27卷 / 03期
关键词：
Low carbon steels; Mg; Boundaries misorientation; Electron backscattered diffraction technique(EBSD);
D O I：
暂无
中图分类号：
TG142.31 [碳钢];
学科分类号：
080502 ;
摘要：
The relation between the Mg treatment and ferrite grain boundaries misorientation was investigated.The orientation imaging microscopy technique based on electron backscattered diffraction technique(EBSD) was used in this work.It was found that the addition of 0.005 wt% Mg to the steel could evidently increase the ratio of acicular ferrite crystals appearing at large angles boundaries to each other,which was attributed to the nucleation of the second-phase particles by the Mg treatment.The EBSD techniques provide a powerful method to characterize and quantify the ferrite grain boundaries misorientation,in order to relate it to toughness.
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页码：252 / 256
页数：5
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