A NEW TYPE OF HIGH PERFORMANCE COBALT FREE PERMANENT MAGNETS
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Abstract
Room temperature anisotropy field of 85KOe and magneto-crystalline an-isotropy constant of 4.2×107 erg/cm3 for sintered Fe76Pr16B8 bulk permanent magnets were measured.The energy product of the sintered magnet is up to 34MGOe.The influences of process factors such as sintering temperature and annealing temperature and time etc. on magnetic properties were studied.
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