研究了合金元素Cu,Nb对烧结NdFeB永磁材料的抗弯强度和断裂韧性的影响,并采用微观分析方法研究了合金元素Cu,Nb对烧结NdFeB永磁材料的强化机理.结果表明,加入适量的Cu或Nb元素能显著提高材料的强度,这主要是因为合金元素的加入形成了新相,同时还改变了原合金中相的成分.
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