Mechanical and electric performance characterization of screen printed flexible membrane antennas

HU Jianqiang; LI Peng; DAI Fuhong

doi:10.11918/j.issn.0367-6234.201704130

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Mechanical and electric performance characterization of screen printed flexible membrane antennas

更新时间：2026-10-19

- Mechanical and electric performance characterization of screen printed flexible membrane antennas
- Vol. 50, Issue 5, Pages: 18-23(2018)
- 作者机构：
  
  特种环境复合材料技术国家级重点实验室(哈尔滨工业大学),哈尔滨,150080
- 作者简介：
- 基金信息：
- DOI：10.11918/j.issn.0367-6234.201704130
  CLC： TB301
- Published：2018
- 稿件说明：
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HU Jianqiang, LI Peng, DAI Fuhong. Mechanical and electric performance characterization of screen printed flexible membrane antennas[J]. 2018, 50(5): 18-23.
DOI：

HU Jianqiang, LI Peng, DAI Fuhong. Mechanical and electric performance characterization of screen printed flexible membrane antennas[J]. 2018, 50(5): 18-23. DOI： 10.11918/j.issn.0367-6234.201704130.

摘要

为降低天线结构重量、提高天线与结构一体化效率，制备了一种可卷曲且易与结构共形的柔性薄膜天线.基于天线基本理论和丝网印刷工艺技术设计并制备了薄膜微带准八木天线.将薄膜天线辐射层看作颗粒增强复合材料，利用Mori-Tanaka复合材料细观力学方法预测其有效弹性模量，与拉伸叠加法结果吻合良好.基于内聚力模型，利用ABAQUS有限元分析软件模拟了薄膜天线基体/辐射层在90°剥离条件下的界面剥离过程，揭示了天线基体与辐射层之间界面破坏机理，得到薄膜基体/辐射层的界面剥离强度，通过90°剥离实验验证了内聚力模型的有效性.有限元得到的剥离强度为64N/m，与实测值误差为8.11%，吻合良好.最后，仿真和实验研究了柔性薄膜天线的反射系数和辐射方向图性能，仿真得到的薄膜天线谐振频率为3.02GHz，与实验谐振频率误差为2.37%，且在谐振频率处阻抗匹配良好.结果表明：本文设计制备的柔性薄膜天线具有良好的力学和电磁性能，在航空航天轻量化结构中有广泛的应用前景.

Abstract

To reduce the weight of antenna structures and improve the structural efficiency of the integrative antenna structures

a flexible and conformal membrane antenna is proposed. The microstrip quasi-yagi antenna is designed and prepared based on the antenna design theory and screen printing technology. The radiation layer is considered as a particle reinforced composite. The effective elastic modulus of the radiation layer is predicted using Mori-Tanaka method

which is in good agreement with that obtained by tensile method. To reveal the interface failure process during 90° peel test

the interface property between the substrate and radiation layer of the antenna is studied based on cohesive finite element model using ABAQUS software. The peel strength predicted by FEA is 64N/m and verified by experiment

which has the error of 8.11%. Finally

the reflection coefficient and radiation performance of the membrane antenna are discussed. The simulated resonance frequency is 3.02 GHz

which has the error of 2.37%. The results show that the flexible membrane antenna prepared based on screen printing technology has good mechanical and electric properties

which has extensive potential applications in aerospace lightweight structures.

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Related Institution

Flexible Printed Electronics Technology Center, Harbin Institute of Technology,, Shenzhen

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