Dynamic effective elastic modulus of polymer matrix composites with dense piezoelectric nano-fibers considering surface/interface effect

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• 作者：XueQian Fang (1)
  MingJuan Huang (1)
  ZiTao Zhu (2)
  JinXi Liu (1)
  WenJie Feng (1)
  
  1. Department of Engineering Mechanics ; Shijiazhuang Tiedao University ; Shijiazhuang ; 050043 ; China
  2. School of Mathematics and Science ; Xiamen University ; Xiamen ; 361005 ; China
  
• 关键词：piezoelectric nanocomposites ; dense nano ; fibers ; dynamic effective properties ; effective field method ; 016801
• 刊名：SCIENCE CHINA Physics, Mechanics & Astronomy
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：58
• 期：1
• 页码：1-8
• 全文大小：1,038 KB
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• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Chinese Library of Science
  Mechanics, Fluids and Thermodynamics
  Physics
  
• 出版者：Science China Press, co-published with Springer
• ISSN：1869-1927

文摘

Based on effective field method, the dynamic effective elastic modulus of polymer matrix composites embedded with dense piezoelectric nano-fibers is obtained, and the interacting effect of piezoelectric surfaces/interfaces around the nano-fibers is considered. The multiple scattering effects of harmonic anti-plane shear waves between the piezoelectric nano-fibers with surface/interface are averaged by effective field method. To analyze the interacting results among the random nano-fibers, the problem of two typical piezoelectric nano-fibers is introduced by employing the addition theorem of Bessel functions. Through numerical calculations, the influence of the distance between the randomly distributed piezoelectric nano-fibers under different surface/interface parameters is analyzed. The effect of piezoelectric property of surface/interface on the effective shear modulus under different volume fractions is also examined. Comparison with the simplified cases is given to validate this dynamic electro-elastic model.