Analysis on Primary Recrystallization Characteristics of High Permeability Grain-Oriented Silicon Steel by Inherent Inhibitor Method and Acquired Inhibitor Method

Contrastive analysis on recrystallized strips of high permeability grain-oriented silicon steel by inherent and acquired inhibitor method has been done, including structure, grain size, coincidence site lattice (CSL) and texture. Results show that the mean primary grain sizes of high permeability grain-oriented silicon steel by inherent inhibitor method and acquired inhibitor method of this experiment are 12.66 mu m and 27.95 mu m, respectively. The former is homogeneous structure while the latter is coarsened to some extent. Both primary recrystallized strips have equivalent percentage of Sigma 9 boundary, but the strip by acquired inhibitor method has higher percentage of Sigma 3 boundary than that by inherent inhibitor method. Both primary recrystallized strips have {111}< 112 > as the main texture component, however, the strip by acquired inhibitor method has (113) [5, -11, 2] texture component, which is not desirable for ideal secondary recrystallization texture.