Inhomogeneity of the Backward Extruded NdFeB Ring Magnet Prepared from Amorphous Powders

Back extrusion is an important process to prepare radially oriented NdFeB ring magnets. In this work, we fabricate the ring magnets using amorphous magnetic powders as the raw material. The microstructure, magnetic properties, corrosion resistance, and mechanical properties of the backward extruded...

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