A Brief Introduction to Grain Boundary Diffusion Process
The practicability of the permanent magnet can be judged by stability of remanence Br, intrinsic coercivity Hcj, and maximum energy products (BH)max under external condition. Magnet with higher Br can offer stronger magnetic field strength, then higher Hcj can serve much better anti-interference ability. The value of (BH)max represents permanent magnet’s ability to provide magnetostatic…