Sensitiveness of magnetic inductive parameters for the characterization of recovery and recrystallization in cold-rolled low-carbon steel
Keywords: 
Processed eletrical steels.
Nondestructive characterization.
Granin-size.
Deformation.
Kinetics.
Permeability.
Anisotropy.
Texture.
Issue Date: 
Apr-2010
ISSN: 
1073-5623
Citation: 
Gurruchaga, K., Martínez-de-Guerenu, A., & Gutierrez, I. (2010). Sensitiveness of magnetic inductive parameters for the characterization of recovery and recrystallization in cold-rolled low-carbon steel. Metallurgical and Materials Transactions A, 41, 985-993.
Abstract
he efficacy of some magnetic inductive parameters and of the maximum differential permeability derived from magnetic hysteresis loop measurements is studied in terms of nondestructively monitoring recovery and the onset and the progress of recrystallization in a cold-rolled low carbon steel. The remnant induction, which is known to be affected by the dislocation density, proved useful to monitor recovery, whereas the induction values measured at higher magnetic fields are not sensitive enough. In order to differentiate between contributions from crystal orientation and from changes in microstructure, the effect of texture evolution during recrystallization is analyzed in terms of the average magnetocrystalline energy. All the magnetic inductive parameters considered have proven to be able to characterize the recrystallized fraction when the usual weakening in the intensity of alpha fiber components and the enhancement of gamma fiber components took place during recrystallization.

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