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HomeMaterials Science ForumMaterials Science Forum Vol. 753Magnetically Controlled Grain Boundary Motion and...

Magnetically Controlled Grain Boundary Motion and Grain Growth in Zinc

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Abstract:

The motion of grain boundaries in zinc bicrystals (99.995%) driven by the “magnetic” driving force was investigated. Planar symmetrical and asymmetrical tilt grain boundaries with rotation angles in the range between 60° and 90° were examined. At a given temperature the boundary migration rate was found to increase linearly with an applied driving force. The absolute grain boundary mobility was determined. The boundary mobility and its temperature dependence were found to depend on the misorientation angle and the inclination of the boundary plane. An application of a magnetic field during the annealing of cold rolled (90%) Zn-1.1%Al sheet specimens resulted in an asymmetry of the two major texture components. This is interpreted in terms of magnetically affected grain growth kinetics.

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Recrystallization and Grain Growth V

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Periodical:

Materials Science Forum (Volume 753)

Pages:

107-112

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.753.107

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Online since:

March 2013

Authors:

Christoph Günster, Dmitri A. Molodov, Günter Gottstein

Keywords:

Grain Boundary Mobility, Grain Growth, Magnetic Field, Texture

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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