Structure and coercivity of nanocrystalline Fe�?�Si�?�B�?�Nb�?�Cu alloys

[摘要] Crystallization behaviour and magnetic properties of melt-spun Feâ€�?�Siâ€�?�Bâ€�?�Nbâ€�?�Cu alloys have been investigated. It is found that the primary phase changes from ð›�?-Fe(Si) to Fe₃Si (DO₃) on increasing the Si content. The coercivity of the alloys containing the Fe₃Si phase is significantly lower as compared to the alloy containing ð›�?-Fe(Si) phase. A heat treatment temperatureâ€�?�timeâ€�?�coercivity map has been obtained for optimization of the coercivity.

[学科分类] 材料工程

[关键词] Feâ€�?�Siâ€�?�Bâ€�?�Nbâ€�?�Cu alloy;melt-spinning;crystallization;nanocrystalline materials;coercivity.