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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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纳米复合永磁材料的交换耦合作用和有效各向异性
, PP. 317-320
Keywords: 纳米复合材料,凝固物理,交换耦合作用
Abstract:
以Nd2Fe14B/α-Fe为例,对纳米双相永磁材料软、硬磁性相晶粒间的交换耦合作用和有效各向异性进行了模型化计算,得到软、硬磁性相晶粒间的有效各向异性常数随晶粒尺寸和软磁性相比例的变化关系曲线.结果表明,交换耦合部分采用6种不同函数计算,得到的有效各向异性随晶粒尺寸的变化曲线几乎重合.有效各向异性常数随晶粒尺寸的减小逐渐减小,随软磁性相比例的减小逐渐增大.
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