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Abnormal Grain Growth during Annealing in Nanocrystalline Fe-Ni Alloys

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Abstract:

The texture evolution due to grain growth that takes place during annealing was investigated in nanocrystalline Fe-Ni alloys fabricated by using an electroforming method. In the current materials, the as-deposited textures were of fibre-type characterized by strong <100>//ND and weak <111>//ND components, and the occurrence of grain growth during annealing resulted in the strong development of the <111>//ND components with a significant decrease of the <100>//ND components. It was clarified that abnormal grain growth plays an important role on the evolution of the microstructures and textures. The abnormally grown grains were observed using orientation imaging microscopy in the early stages of grain growth, and their morphological features have been discussed.

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Periodical:

Materials Science Forum (Volumes 558-559)

Pages:

1279-1282

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.558-559.1279

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Online since:

October 2007

Authors:

J.H. Seo, Jong Kweon Kim, Yong Bum Park

Keywords:

Abnormal Grain Growth, Electroforming, Fe-Ni Alloy, Nanostructure, Orientation Image Microscopy (OIM), Texture

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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