Research Article
Improvement of Thermal Stability of Nd-Tb-Fe-Co-B Sintered Magnets by Additions of Pr, Ho, Al, and Cu
Figure 4
Temperature dependence of (Nd0,15Pr0,35Tb0,25 Ho0,25)15(Fe0,71Co0,29)bal·Al0,9Cu0,1B8, 5 magnets after multistep heat treatment (1175 K to 675 K).