Figure 3. Atom probe tomography reconstruction illustrating (a,b) precipitates delineated by 8 at% Zr isoconcentra- tion surfaces; and (c,d) proxigram concentration profiles of elements in the Nd8.5Fe76Co5Zr3B6.5Dy1 alloy.
Figure 4. Atom probe tomography reconstruction illustrating (a,b) precipitates delineated by 8 at% Zr isoconcentra- tion surfaces; and (c,d) proxigram concentration profiles of elements in the Nd9.5Fe75Co5Zr3B6.5Nb1 alloy.
microstructure; the other is possible substitution of Nd by Dy in the (Nd, Dy)2Fe14B phase with an anisotropy field higher than that of Nd2Fe14B (Herbst, 1991).
strength of exchange coupling interaction. Schrefl et al. (1994a) reported that remanence enhancement was attributed to
In the δM–H plot, the maximum δM value reflects the