The effects of bending stress on the magnetization properties of grain-oriented silicon steel sheet sample arc not a simple combination of a tensile stress on convex side and a compressive stress on concave side. They are deeply connected with domain structures in both side of the sample and the effects of bending stress have not been investigated enough so far. The aim of this investigation is to make clear the mechanism of magnetization properties under bending stress considering the results of observation of the domain configuration and the magnetostriction change.
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