Compression Bonded SmCo Magnet Grades
SmCo | Br (Gauss) | Hc (Oe) | Hci (Oe) | (BH)max (MGOe) | BH Curve |
BCS-4 | 3800 – 4200 | 1590 – 2225 | 5090 – 8195 | 3.5 – 4.5 | |
BCS-5 | 4100 – 5400 | 2100 – 2860 | 5090 – 9550 | 4.5 – 5.5 | |
BCS-9 | 6100 – 6600 | 3300 – 3800 | 5090 – 9550 | 8.5 – 9.5 | |
BCS-11 | 6400 – 7200 | 3420 – 4050 | 5090 – 9550 | 9.5 – 11.0 |
Temperature Properties | Reversible Temperature Coefficients Br%/°C | Reversible Temperature Coefficients Hcj%/°C | Max Working Temp. Tmax °C | Currie Temp. Tc °C |
BCS – 4 | -0.035 | -0.29 | 150 | 700 |
BCS – 5 | -0.035 | -0.29 | 150 | 700 |
BCS – 9 | -0.035 | -0.29 | 150 | 700 |
BCS – 11 | -0.035 | -0.29 | 150 | 700 |
Mechanical Properties | Density g/cm3 | Hardness R | Compressive Strength Mpa | Young’s Modulus Mpa | Electrical Resistivity Ohm-cm |
BCS-4 | 6.4 – 7.0 | 80 -125 | 30 – 32 | 29,000 | 0.04 |
BCS-5 | 6.5 – 7.0 | 80 -125 | 30 – 32 | 29,000 | 0.04 |
BCS-9 | 6.6 – 7.1 | 80 -125 | 30 – 32 | 29,000 | 0.04 |
BCS-11 | 6.7 – 7.2 | 80 -125 | 30 – 32 | 29,000 | 0.04 |