Revisiting diffusion in Fe-Al intermetallics: Experimental determination and phenomenological treatment

Y. W. Cui; R. Kato; T. Omori; I. Ohnuma; K. Oikawa; R. Kainuma; K. Ishida

doi:10.1016/j.scriptamat.2009.10.011

Revisiting diffusion in Fe-Al intermetallics: Experimental determination and phenomenological treatment

Y. W. Cui, R. Kato, T. Omori, I. Ohnuma, K. Oikawa, R. Kainuma, K. Ishida

ENG - Metallurgy

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

Interdiffusion coefficients of the A2- and B2-type Fe-Al intermetallics were determined at 1073 and 1273 K from solid-solid diffusion couples by using the modified Boltzmann-Matano method. The atomic mobilities for the two phases were reassessed in terms of phenomenological treatment, which permits prediction of interesting diffusion details, such as the effect of chemical ordering on diffusion, the Al tracer diffusivity and the Kirkendall shift.

Original language	English
Pages (from-to)	171-174
Number of pages	4
Journal	Scripta Materialia
Volume	62
Issue number	4
DOIs	https://doi.org/10.1016/j.scriptamat.2009.10.011
Publication status	Published - 2010 Feb

Keywords

Bulk diffusion
DICTRA software
Electron probe microanalysis (EPMA)
Iron aluminides
Modelling

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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10.1016/j.scriptamat.2009.10.011

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T1 - Revisiting diffusion in Fe-Al intermetallics

T2 - Experimental determination and phenomenological treatment

AU - Cui, Y. W.

AU - Kato, R.

AU - Omori, T.

AU - Ohnuma, I.

AU - Oikawa, K.

AU - Kainuma, R.

AU - Ishida, K.

PY - 2010/2

Y1 - 2010/2

N2 - Interdiffusion coefficients of the A2- and B2-type Fe-Al intermetallics were determined at 1073 and 1273 K from solid-solid diffusion couples by using the modified Boltzmann-Matano method. The atomic mobilities for the two phases were reassessed in terms of phenomenological treatment, which permits prediction of interesting diffusion details, such as the effect of chemical ordering on diffusion, the Al tracer diffusivity and the Kirkendall shift.

AB - Interdiffusion coefficients of the A2- and B2-type Fe-Al intermetallics were determined at 1073 and 1273 K from solid-solid diffusion couples by using the modified Boltzmann-Matano method. The atomic mobilities for the two phases were reassessed in terms of phenomenological treatment, which permits prediction of interesting diffusion details, such as the effect of chemical ordering on diffusion, the Al tracer diffusivity and the Kirkendall shift.

KW - Bulk diffusion

KW - DICTRA software

KW - Electron probe microanalysis (EPMA)

KW - Iron aluminides

KW - Modelling

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VL - 62

SP - 171

EP - 174

JO - Scripta Materialia

JF - Scripta Materialia

SN - 1359-6462

IS - 4

ER -

Revisiting diffusion in Fe-Al intermetallics: Experimental determination and phenomenological treatment

Abstract

Keywords

ASJC Scopus subject areas

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