期刊
SCRIPTA MATERIALIA
卷 59, 期 9, 页码 971-974出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2008.06.054
关键词
Molecular dynamics; Phase transformation kinetics; Iron; Interface
类别
资金
- JSPS, Japan [No. 20656036]
- ISIJ
- MEXT, Japan
The kinetics of the face-centered cubic-body-centered cubic (fcc-bcc) phase transformation has been investigated by molecular dynamics simulation. Planar propagation of the fcc-bcc heterointerface was observed in the case of the Nishiyama-Wasserman relation, whereas needle-like growth along a particular orientation was observed at the Kurdjumov-Sachs interface. This difference is due to the pattern difference of the matching area between the fcc and bcc lattice at the interface, since the transformation started from a matching area along the Bain deformation path. (C) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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