Abstract
Modern types of grain-oriented SiFe show a gradually increased degree of anisotropy, which favors magnetization in rolling direction, a most recent step of development being made by the establishment of hyper-stress coatings. On the other hand, other directions of magnetization are involved in joint regions, which are characterized by interlaminar flux. For its analysis, flat sensor elements are needed which do not create additional air gaps. The present study was taken on small core models were vaporization of copper film elements could be performed on both sides of individual laminations. Normal flux components were detected by frame coil arrangements in-plane components by films with tip contacts through the coating. The results illustrates that in joints, the incoming in-plane flux is transferred to interlaminar flux in the overlap region, until a high degree of global saturation is reached, a state when flux through air gaps between laminations yields a tendency of more homogeneous magnetization.
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