通过实验研究了Nd2Fe14B/Fe3B双相纳米复合磁粉分别与几种不同性能的磁粉复合成粘结磁体后磁性能的变化.通过对复合磁体的理论分析得知,由Nd2Fe14B/Fe3B与RE2Fe14B或铁氧体磁粉复合成的粘结磁体中,成分间并未发生化学反应.以Nd2Fe14B/Fe3B-铁氧体复合粘结磁体为例,根据理论分析推出的剩磁Br-成分含量关系曲线与实际曲线吻合得很好,表明剩磁与成分含量间存在着近似的线性关系,从而可通过数学手段建立磁性能参数与成分含量的函数关系式,用于简化混粉工艺.另外,添加铁氧体可对该复合磁体较差的热稳定性起到补偿作用,并减少了磁不可逆损失.
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