提交时间: 2017-05-02
摘要: The influence of the RE-rich phase distribution in the precursor alloys on the anisotropy of the hydrogenation disproportionation desorption recombination [HDDR] processed powders is investigated. The homogenized ingot alloy and the as-cast strip casting
提交时间: 2017-05-02
摘要: Fine-grained Nd10.79Pr2.8Al0.4B7.72Fe78.29 magnets were prepared by low temperature pre-sintering and subsequent hot pressing. The grain size of the magnets is just about 1-3 mu m because the low sintering temperature results in no grain growth. The orien