1、Residual induction (Br): It is the magnetic induction remaining in a saturated magnetic material after the magnetizing field has been removed.
2、Coercive force (Hcb, Hcj): The demagnetizing force required to reduce residual induction (Br) or intrinsic induction (Mr) to zero in a magnetic field after magnetizing to saturation is called coercive force or intrinsic coercive force.
3、Maximum Energy Product (BHmax): It is the maximum product of (Bd, Hd) which can be obtained on the demagnetization curve.