Table 2 Magnetic parameters picked from Fig. 7c,d
From: High-performance multiphase Sm-Co-B alloys with coercivities up to 6.71 MA·m−1
Annealed ribbons | Hc (MA·m−1) | Mr (A · m2·kg−1) | Ms (A · m2·kg−1) | Js (T) | Br (T) | (BH)max (kJ·m−3) | Mr/Ms | Shape of grains | Coercivity mechanism |
|---|---|---|---|---|---|---|---|---|---|
Fe1.0Ni0 | 2.89 | 72.7 | 98.0 | 0.94 | 0.68 | 98.5 | 0.74 | Equiaxed | Nucleation + pinning |
Fe1.0Ni0.2 | 3.02 | 59.3 | 88.4 | 0.85 | 0.67 | 83.5 | 0.67 | Equiaxed | Nucleation + pinning |
Fe1.0Ni0.4 | 3.84 | 54.2 | 75.9 | 0.73 | 0.56 | 59.5 | 0.71 | Equiaxed | Nucleation + pinning |
Fe1.2Ni0.4 | 3.46 | 48.6 | 65.0 | 0.62 | 0.48 | 43.3 | 0.75 | Equiaxed | Nucleation + pinning |
Fe1.2Ni0.6 | 4.06 | 46.2 | 62.0 | 0.59 | 0.45 | 39.1 | 0.75 | Equiaxed | Nucleation + pinning |
Fe1.2Ni0.8 | 5.18 | 41.5 | 55.4 | 0.53 | 0.38 | 31.8 | 0.75 | Equiaxed | Nucleation + pinning |
Fe1.6Ni0.8 | 6.71 | 51.6 | 60.0 | 0.57 | 0.50 | 48.4 | 0.86 | Platelet + Equiaxed | Nucleation |
Fe1.0Ni1.0 | 5.68 | 45.8 | 61.5 | 0.59 | 0.45 | 38.6 | 0.74 | Platelet + Equiaxed | Nucleation + pinning |
Fe2.0Ni1.0 | 5.81 | 51.1 | 69.1 | 0.65 | 0.49 | 46.8 | 0.74 | Platelet + Equiaxed | Nucleation |
