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The Control of Texture and Grain Boundary Microstructure by Magnetic Annealing

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Abstract:

This paper gives an overview of our recent works on the effect of magnetic annealing, i.e. annealing in a magnetic field, on the evolution of texture and grain boundary microstructure in ultra-fine grained and nanocrystalline magnetic materials differently produced; rapidly solidified Fe-6.5mass%Si ribbons, electrodeposited nanocrystalline nickel, and nanocrystalline Fe78Si9B13 alloy ribbon crystallized from the amorphous state. It was found that the effect of magnetic annealing was powerful and useful for controlling grain growth resulting in the evolution of different types of texture and grain boundary microstructure, depending on the condition of magnetic annealing. In particular, the magnetic crystallization of amorphous Fe78Si9B13 alloy was found to be powerful for producing a nanocrystalline material with a sharp texture and a special grain boundary microstructure.

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Periodical:

Materials Science Forum (Volumes 495-497)

Pages:

1151-1158

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.495-497.1151

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Online since:

September 2005

Authors:

Tadao Watanabe, Sadahiro Tsurekawa, H. Fujii, T. Kanno

Keywords:

Grain Boundary Engineering, Grain Boundary Microstructure, Grain Growth, Magnetic Annealing, Magnetic Field, Magnetic Material, Nanocrystalline Material

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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