In-situ observation of grain-boundary migration in Fe-3wt%Si bicrystals by synchrotron X-radiation topography

被引:5
作者
Ichikawa, K
Ueda, T
Tsurekawa, S
Yoshitomi, Y
Matsuo, Y
Kawasaki, K
Nakashima, H
Yoshinaga, H
机构
[1] NIPPON STEEL CORP LTD,YAWATA R&D LAB,TOKYO,JAPAN
[2] NIPPON STEEL CORP LTD,ADV MAT & TECHNOL RES LABS,TOKYO,JAPAN
来源
TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN | 1996年 / 82卷 / 06期
关键词
Fe-3wt%Si bicrystal; texture; secondary recrystallization; grain boundary migration; Sigma 9 coincidence boundary; random boundary; synchrotron X-radiation topography;
D O I
10.2355/tetsutohagane1955.82.6_471
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
In order to examine the grain-boundary migration mechanism, two high purity Fe-3wt%Si bicrystals were produced. One has a (<1 (1)over bar 4>)Sigma 9 coincidence boundary, and the other has a random boundary, In-situ observation of grain-boundary migration was conducted by synchrotron X-radiation dynamic topography. It was found that macroscopic grain-boundary migration was recognised at the temperature above 1170K. From the results of isothermal annealing (1270 similar to 1320K), it was clarified that the mobility of Sigma 9 coincidence boundary was higher than that of the random boundary.
引用
收藏
页码:471 / 474
页数:4
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