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Effect of Initial Texture on the Deformed Microstructure of IF Steel

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Abstract:

The development of deformation texture and microstructure was examined for four different initial textures. IF steel sheets with a majority of α-, ε-, and γ-fiber and near random texture were prepared and cold rolled. The specimens exhibited characteristic behaviors in rolling texture evolution and deformation-induced misorientation development, according to their initial textures, especially at small strain levels. Due to the orientation dependence of intra-granular misorientation accumulation, the different texture evolutions affected the induced misorientation distribution. A larger fraction of γ-fiber orientations was related to more prominent misorientation development, while the initial texture stability simultaneously affected the misorientation development. The unstable, initial ε-fiber texture showed a stronger tendency of misorientation accumulation than the stable α-fiber during the subsequent cold rolling.

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Periodical:

Materials Science Forum (Volumes 558-559)

Pages:

1395-1400

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.558-559.1395

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Online since:

October 2007

Authors:

Jun Yun Kang, Brigitte Bacroix, Kyu Hwan Oh, Hu Chul Lee

Keywords:

Deformation, Electron Backscatter Diffraction (EBSD), IF Steel, Misorientation, Texture

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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