A kind of permanent-magnet alloy and preparation method thereof

The present invention relates to a kind of permanent-magnet alloys and preparation method thereof, permanent-magnet alloy is combined by alloy I, II, III and inorganic composite materials IV, the mass ratio of described alloy I, II, III and inorganic composite materials IV are 1:1-1.5:0.2-0.6:0.01, preparation method step includes ingredient, compression moulding, sintering, heat treatment, permanent-magnet alloy of the present invention has thermal stability good, and has good magnetic property, the preparation method simple process of permanent-magnet alloy, production cost is low, is suitable for industrialized production.