用熔体快淬法制备Nd3.6Pr5.4Fe83-xGaxCo3B5(%(原子分数),x=0~1.0)纳米晶双相永磁材料,研究其磁性能的变化.结果表明:适量的添加Ga(x=0.25)可以细化晶粒,使快淬薄带中的Nd2Fe14B硬磁相和α-Fe软磁相发生较充分的交换耦合作用,获得较优异的磁性能,Ga含量过多或过少的快淬薄带的磁滞回线出现缩颈现象,低温退火使得该现象得以改善.
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