| 摘要 |
PURPOSE:To obtain a very useful novel permanent magnet having further improved characteristics by adding Mn and Al to a conventional permanent magnet alloy. CONSTITUTION:This permanent magnet alloy has a composition represented by the formula, wherein R is one or more kinds of rare earth elements, M is one or more among Zr, Hf, Ti, Nb, Ta and Si, and 0.01<=x<=0.7, 0.001<=y<=0.25, 0.001<=z <=0.15, 0.01<=alpha<=0.3, 0.01<=beta<=0.4, and 5<=A<=12. |
