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

Katsushi Ichikawa, Toshiyuki Ueda, Sadahiro Tsurekawa, Yasunari Yoshitomi, Yukio Matsuo, Koichi Kawasaki, Hideharu Nakashima, Hideo Yoshinaga

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In order to examine the grain-boundary migration mechanism, two high purity Fe-3wt%Si bicrystals were produced. One has a (11̄4)Σ9 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(1270approx.1320K), it was clarified that the mobility of Σ9 coincidence boundary was higher than that of the random boundary.

Original languageEnglish
Pages (from-to)471-474
Number of pages4
JournalTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
Volume82
Issue number6
DOIs
Publication statusPublished - 1996

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Metals and Alloys
  • Materials Chemistry

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