期刊
COMPOSITE STRUCTURES
卷 195, 期 -, 页码 297-307出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2018.04.077
关键词
Radar absorbing structure; Stitching process; Mechanical properties; Microwave absorbing property
资金
- National Natural Science Foundation of China [11302053, 11502002]
- Planning Project of Beijing Municipal Science and Technology Commission [Z161100001416007]
- Foundation for Innovative Research Groups of the National Natural Science Foundation of China [11521202]
- Peking University
- Beijing Institute of Technology
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.
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