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Effects of stitch on mechanical and microwave absorption properties of radar absorbing structure

机译：针脚对雷达吸收结构机械和微波吸收特性的影响

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摘要

Combination of frequency selective surface (FSS) with fiber reinforced plastic (FRP) has been demonstrated as a type of radar absorbing structure (RAS) with efficient microwave absorbing capacity but relatively poor mechanical performances. To improve the mechanical performance of FSS-FRP caused by the weak interfacial bonding strength between FSS film and FRP composite laminate, we introduce here a local stitching technique for RAS. Mechanical tests including uniaxial tensile, three-point bending, and low-velocity impact reveal that the strengths of stitched FSS-FRP structure are remarkably improved. The influence of stitching method on microwave absorbing performance of a well-designed RAS is controlled in a slight level. Therefore, stitching method can improve the mechanical performances of RAS without sacrificing the microwave absorbing capacity.
机译：频率选择表面（FSS）与纤维增强塑料（FRP）的结合已被证明是一种具有有效微波吸收能力但机械性能相对较差的雷达吸收结构（RAS）。为了提高由于FSS薄膜与FRP复合材料层压板之间较弱的界面粘结强度而引起的FSS-FRP的机械性能，我们在此介绍RAS的局部缝合技术。包括单轴拉伸，三点弯曲和低速冲击的机械测试表明，缝合的FSS-FRP结构的强度得到了显着提高。将缝合方法对精心设计的RAS的微波吸收性能的影响控制在很小的水平。因此，缝合方法可以在不牺牲微波吸收能力的情况下提高RAS的机械性能。

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  • 来源
    《Composite Structures》 |2018年第7期|297-307|共11页
  • 作者

    Wang Changxian; Lei Hongshuai; Huang Yixing; Li Huimin; Chen Mingji; Fang Daining;

  • 作者单位

    Peking Univ, State Key Lab Turbulence & Complex Syst, Coll Engn Peking Univ, Beijing 100871, Peoples R China;

    Beijing Inst Technol, Beijing Key Lab Lightweight Multifunct Composite, Beijing 100081, Peoples R China|Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China|Collaborat Innovat Ctr Elect Vehicles Beijing, Beijing 100081, Peoples R China;

    South China Univ Technol, Sch Civil Engn & Transportat, Guangzhou 510641, Guangdong, Peoples R China;

    Beijing Inst Technol, Beijing Key Lab Lightweight Multifunct Composite, Beijing 100081, Peoples R China;

    Beijing Inst Technol, Beijing Key Lab Lightweight Multifunct Composite, Beijing 100081, Peoples R China;

    Peking Univ, State Key Lab Turbulence & Complex Syst, Coll Engn Peking Univ, Beijing 100871, Peoples R China|Beijing Inst Technol, Beijing Key Lab Lightweight Multifunct Composite, Beijing 100081, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Radar absorbing structure; Stitching process; Mechanical properties; Microwave absorbing property;

    机译：雷达吸收结构;缝合工艺;力学性能;微波吸收性能;

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