Based on the surface/interface theory, the effective magnetoelectric (ME) properties of piezoelectric (PE)–piezomagnetic (PM) composites with elliptical nanofibers are investigated analytically. Using the complex function theory, conformal mapping and the Mori–Tanaka mean-field method, the solutions of magneto-electro-elastic (MEE) fields are obtained, which satisfy both the interface and the single-valued conditions. The closed-form expression of the ME coefficient of the composites shows that the effect of ME coefficient is related to the interface parameters, elliptical aspect ratio, material properties of both fiber and matrix and the fiber volume fraction. Numerical calculation shows that by properly selecting some of these parameters, the effective ME coefficient could be substantially enhanced.

中文翻译：

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椭圆纳米纤维的压电-压电复合材料的磁电性能

基于表面/界面理论，对具有椭圆形纳米纤维的压电（PE）-压电（PM）复合材料的有效磁电（ME）性能进行了分析研究。使用复函数理论，保形映射和Mori–Tanaka平均场方法，获得了满足界面和单值条件的磁电弹性（MEE）场的解。复合材料的ME系数的闭合形式表示，ME系数的影响与界面参数，椭圆长径比，纤维和基质的材料性能以及纤维体积分数有关。数值计算表明，通过适当选择某些参数，有效ME系数可以被显着提高。