Phase-field simulation of D03-type antiphase boundary migration in Fe3Al with vacancy and solute segregation

Yuichiro Koizumi; Samuel M. Allen; Masayuki Ouchi; Yoritoshi Minamino; Akihiko Chiba

doi:10.4028/www.scientific.net/SSP.172-174.1313

Phase-field simulation of D0₃-type antiphase boundary migration in Fe₃Al with vacancy and solute segregation

Yuichiro Koizumi, Samuel M. Allen, Masayuki Ouchi, Yoritoshi Minamino, Akihiko Chiba

Materials Processing and Characterization Division

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Citations (Scopus)

Abstract

Segregation of solute atoms and vacancies to migrating D03-type antiphase boundaries (APBs) in Fe3Al of the stoichirometric and an Al-rich compositions has been investigated in detail by a phase-field method developed in the previous study [Koizumi et al. Acta Mater 2009;57:3039] focusing on the quantitative relationship among the segregation, APB energy, driving-force, drag-force and APB mobility. It has been revealed that the drag-force by solute segregation depends considerably on the alloy composition and is responsible for the significant composition dependence of the migration kinetics of D03-APB whereas the composition dependences of driving-force and mobility are negligibly small.

Original language	English
Title of host publication	Solid-Solid Phase Transformations in Inorganic Materials
Publisher	Trans Tech Publications Ltd
Pages	1313-1319
Number of pages	7
ISBN (Print)	9783037851432
DOIs	https://doi.org/10.4028/www.scientific.net/SSP.172-174.1313
Publication status	Published - 2011

Publication series

Name	Solid State Phenomena
Volume	172-174
ISSN (Print)	1012-0394

Keywords

Intermetallics
Order-disorder transformation
Phase-field method
Solute-drag

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Materials Science(all)
Condensed Matter Physics

Access to Document

10.4028/www.scientific.net/SSP.172-174.1313

Cite this

Koizumi, Y., Allen, S. M., Ouchi, M., Minamino, Y., & Chiba, A. (2011). Phase-field simulation of D0₃-type antiphase boundary migration in Fe₃Al with vacancy and solute segregation. In Solid-Solid Phase Transformations in Inorganic Materials (pp. 1313-1319). (Solid State Phenomena; Vol. 172-174). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/SSP.172-174.1313

Phase-field simulation of D0₃-type antiphase boundary migration in Fe₃Al with vacancy and solute segregation. / Koizumi, Yuichiro; Allen, Samuel M.; Ouchi, Masayuki et al.

Solid-Solid Phase Transformations in Inorganic Materials. Trans Tech Publications Ltd, 2011. p. 1313-1319 (Solid State Phenomena; Vol. 172-174).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Koizumi, Y, Allen, SM, Ouchi, M, Minamino, Y & Chiba, A 2011, Phase-field simulation of D0₃-type antiphase boundary migration in Fe₃Al with vacancy and solute segregation. in Solid-Solid Phase Transformations in Inorganic Materials. Solid State Phenomena, vol. 172-174, Trans Tech Publications Ltd, pp. 1313-1319. https://doi.org/10.4028/www.scientific.net/SSP.172-174.1313

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