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Formation of Domain Structures in Ordering Processes of B2 and D03 Types

Published online by Cambridge University Press:  26 February 2011

Ryuichiro Oguma ,
Syo Matsumura  and
Tetsuo Eguchi
Ryuichiro Oguma
Affiliation:
oguma@fukuoka-u.ac.jp, Fukuoka University, Applied Physics, Nanakuma 8-19-1, Jonanku, Fukuoka, 814-0180, Japan, +81-92-865-6030
Syo Matsumura
Affiliation:
syo@nucl.kyushu-u.ac.jp, Kyushu University, Applied Quantum Physics and Nuclear Engineering, Fukuoka, 819-0395, Japan
Tetsuo Eguchi
Affiliation:
oguma@fukuoka-u.ac.jp, Fukuoka University, Applied Physics, Fukuoka, 814-0180, Japan
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Abstract

Time-dependent Ginzburg-Landau (TDGL) formulation on a continuous medium has been developed for ordering processes of B2 and D03 types in binary alloy systems. The results of 2-dimensional simulations reproduce well the formation of B2 and D03 ordered domains in the processes in an Fe3Al alloy.

Keywords

alloyphase transformationtransmission electron microscopy (TEM)

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References

REFERENCES

1. Oki, K., Hasaka, M., and Eguchi, T., Jpn J. Appl. Phys. 12, 1522(1973).Google Scholar
2. Oguma, R., Eguchi, T., Matsumura, S. and Son, S. K., Acta Mater. 54, 1533(2006).Google Scholar