| 磁电多铁性复合材料磁电耦合性能有限元分析 |
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| 引用本文： | 刘强,周浩淼,曲绍兴.磁电多铁性复合材料磁电耦合性能有限元分析[J].材料科学与工程学报,2011(4):559-563. |
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| 作者姓名： | 刘强 周浩淼 曲绍兴 |
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| 作者单位： | 浙江大学工程力学系;中国计量学院信息工程学院; |
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| 基金项目： | 国家自然科学基金重点资助项目(10832009) |
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| 摘 要： | 磁电多铁性复合材料由于具有磁电耦合的特性,在存储器、传感器等领域具有广泛的应用前景,近年来成为该领域研究的前沿问题。本文采用有限元方法对叠层块状磁电多铁性复合材料的磁电耦合效应进行计算分析,研究了边界条件、尺寸、粘接层的厚度以及材料性能对磁电耦合效应的影响,以期为磁电多铁性复合材料器件设计提供理论依据。研究表明,上下外表面z方向固定、长宽比的增大、铁电层所占比例的增大、粘接层厚度的减小及杨氏模量的增加均能提高磁电多铁性复合材料的磁电耦合系数。
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| 关 键 词： | 多铁性 复合材料 有限元 磁电耦合 铁电 铁磁 |
Finite Element Analysis of Magnetoelectric Efficiency of Multiferroic Composites |
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| LIU Qiang,ZHOU Hao-miao,QU Shao-xing.Finite Element Analysis of Magnetoelectric Efficiency of Multiferroic Composites[J].Journal of Materials Science and Engineering,2011(4):559-563. |
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| Authors: | LIU Qiang ZHOU Hao-miao QU Shao-xing |
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| Affiliation: | LIU Qiang1,ZHOU Hao-miao1,2,QU Shao-xing1(1.Department of Engineering Mechanics,Zhejiang University,Hangzhou 310027,China,2.College of Information Engineering,China Jiliang University,Hangzhou 310018,China) |
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| Abstract: | Multiferroic composites,which possess magnetoelectric coupling effects,have recently been one of the main research topics for their applications in random access memories,sensors,etc.Finite element method was used to study the magnetoelectric coupling efficiency of layered multiferroic composites in various conditions.Effects of boundary conditions,size,thickness and Young's modulus of adhesive on the magnetoelectric coupling efficiency were investigated.Results show that fixed upper and lower boundary cond... |
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| Keywords: | multiferroics composites finite element method magnetoelectric coupling ferroelectrics ferromagnetics |
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