Abstract
High silicon electrical steel was produced by electron beam physical vapor deposition. The composition, surface microstructure and cross-section microstructure, phase and preferential orientation of the electrical steel were characterized. The results show that the silicon content of the material is about 6.5 wt%. The side of the as-deposited electrical steel close to the substrate is composed of DO 3 phase equiaxial grains of 1 μm. The side far from the substrate is composed of Fe 3Si phase columnar grains of 2–3 μm. There are weak single-crystal texture {1 1 1} 〈0 1 1〉 and fiber texture {0 0 1}. The electrical resistivity and static magnetic properties are also measured using a four-probe method and vibrating sample magnetometer, respectively. The results show that the electrical resistivity is about 90 μΩ cm and the specific saturation magnetization is 2.31×10 −2 Wb/kg.
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