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Comparison of Gradients in Orientation and Stress between Experiment and Simulation

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Abstract:

We examine the relationship between local gradients in orientation, which are quantified with the Kernel Average Misorientation, and the grain boundary network in an interstitial-free steel sheet, before and after 12% tensile strain. A portion of the unstrained microstructure is used as input to a full-field spectral viscoplastic code that simulates the same deformation. The orientation gradients are concentrated near grain boundaries in both experiments and simulation. Mapping out stress gradients in the simulation suggests that the development of orientation gradients is strongly correlated with such gradients.

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Periodical:

Materials Science Forum (Volumes 702-703)

Pages:

463-468

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.702-703.463

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Online since:

December 2011

Authors:

Anthony D. Rollett, Francis Wagner, Nathalie Allain-Bonasso, David P. Field, Ricardo A. Lebensohn

Keywords:

FFT, Orientation Gradient, Simulation, Texture

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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