It is well known that the permanent magnet materials are widely used in industry, medical treatment and daily life. Since the discovery of Sm-Co rare-earth transition-metal magnets, the researchers on magnetic materia...It is well known that the permanent magnet materials are widely used in industry, medical treatment and daily life. Since the discovery of Sm-Co rare-earth transition-metal magnets, the researchers on magnetic materials have made great efforts trying to substitute Co by Fe so as to obtain Fe-based rare-earth permanent magnet materials with low cost. The success in producing Nd<sub>2</sub>Fe<sub>14</sub>B permanent magnet has given a new impetus to the study on ironrich rare-earth alloys.展开更多
文摘It is well known that the permanent magnet materials are widely used in industry, medical treatment and daily life. Since the discovery of Sm-Co rare-earth transition-metal magnets, the researchers on magnetic materials have made great efforts trying to substitute Co by Fe so as to obtain Fe-based rare-earth permanent magnet materials with low cost. The success in producing Nd<sub>2</sub>Fe<sub>14</sub>B permanent magnet has given a new impetus to the study on ironrich rare-earth alloys.