期刊
IEEE TRANSACTIONS ON MAGNETICS
卷 50, 期 1, 页码 -出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2013.2278018
关键词
Ce content; double hard magnetic main phases; magnetic properties; Re-Fe-B magnets
资金
- National Basic Research Program of China [2014CB643701]
- National High Technology Research and Development Program of China [2011AA03A401]
- National Natural Science Foundation of China [51171049, 50931001]
Research on the application of the most abundant rare-earth elements for permanent magnetic materials has gained intense interest. However, the magnetic properties decrease dramatically with the increase of Ce content due to the traditional Ce substitute for Nd. A double main phase alloy method has been performed to adjust the composition and combination of main phases in the magnets and make a partial main phase without Ce, which can maintain higher remanence. The influence of Ce content on the rectangularity of demagnetization curves and magnetic properties of (Nd1-xCex)(30)(Fe,TM)(bal) B-1 sintered by the double main phase alloy method has been investigated. When the Ce content was 30% of the total amounts of all the rare earth metals, the maximum energy product of the sintered magnet, was still over 43 MGOe.
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