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Intermediate Phase Growth of Mg-Al Diffusion Couple under a Strong Static Magnetic Field

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Abstract:

Intermediate phase growth in Mg-Al diffusion couples were studied with different intensity of a strong static magnetic field from 0 to 10 Tesla. Thickness measurement of the intermediate phases (Mg17Al12 and Al3Mg2) shows that with the increasing of magnetic field intensity, the growth rate of both intermediate phases is retarded. The decrease of the phase growth rate is ascribed to the suppressed Al, Mg atom interdiffusion in the diffusion couple under the static magnetic field. It is also found that the orientation relationship between couple interface and magnetic field direction has no influence on the growth of intermediate phases.

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Periodical:

Materials Science Forum (Volumes 546-549)

Pages:

491-494

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.546-549.491

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Online since:

May 2007

Authors:

Jie Dong, Z.F. Li, Xiao Qin Zeng, Wen Jiang Ding

Keywords:

Ambipolar Diffusion, Diffusion Couple, Intermediate Phase, Thickness

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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