Abstract
In order to improve the comprehensive performance of oriented silicon steel insulation coatings and repair surface defects, an insulating coating for oriented silicon steels with repair function was prepared. The repair function was investigated by a simulation experiment. Adhesion and magnetic characteristics were measured. Corrosion resistance was tested by neutral salt spray test. The structure of the insulating coating was characterized by infrared spectroscopy. Results exhibit that the coating has good performance and long service life. The surface is smooth, bright and even, the adhesion is A and the coating is able to embellish the defects of crystal exposing on the matrix layer. There is no corrosion occurred after 24h salt spray test; the magnetic induction intensity B800 is 1.81T, which meets the technical requirements of domestic steel mill products.
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