Fig. 7

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Total dislocation density ρT estimated from H as a function of the distance from GB for the undeformed sample in grains 22 and 20; the deformed samples at εp = 3% in grains 11 and 19, and, at εp = 18% in grains 47 and 40. The black dotted lines are a guide for the eye to estimate the thickness λ of the grain boundary affected layer.

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