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Microband-To-Microshear Band Transition near Grain Boundaries in BCC Steel

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Abstract:

Compression tests were performed on Fe-3%Si specimens with few grains. The deformation microstructure and microtexture were investigated by electron backscatter diffraction (EBSD) and related to the initial crystal orientation and grain boundary characteristics. Groups of microbands were found that are characterised by a periodic change in crystal orientation, shear at the grain boundary, and the formation of new grains. It is supposed that these microband groups represent an early stage of microshear band development.

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Periodical:

Materials Science Forum (Volumes 558-559)

Pages:

873-878

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.558-559.873

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Online since:

October 2007

Authors:

Dorothée Dorner, Yoshitaka Adachi, Kaneaki Tsuzaki

Keywords:

BCC Steel, Deformation Microstructure, Electron Backscatter Diffraction (EBSD), Microband, Microshear Bands

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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