Excellent angular and electrical performance damage tolerance of wave-absorbing laminate via gradient A-T-A design
Composites Communications, ISSN: 2452-2139, Vol: 46, Page: 101838
2024
- 4Citations
- 2Captures
- 1Mentions
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Most Recent News
New Findings on Composites Communications Described by Investigators at National University of Defense Technology (Excellent Angular and Electrical Performance Damage Tolerance of Wave-absorbing Laminate Via Gradient A-t-a Design)
2024 APR 24 (NewsRx) -- By a News Reporter-Staff News Editor at Politics, Law & Government Daily -- Data detailed on Global Views - Composites
Article Description
Besides broadband electromagnetic wave absorption, electrical performance damage tolerance should be designed and evaluated to compete with advanced detection technologies. In this work, an A-T-A (absorption-transmission-absorption) design strategy with gradient electromagnetic parameters is proposed to enhance angular and electrical performance damage tolerance of wave-absorbing laminated structure in 6–18 GHz frequency band. The quartz fiber cloth with 700 μm periodic inter-bundle pores served as a transmission layer and was embedded into Fe 3 Co 7 /epoxy resin magnetic absorption film to improve the maneuverability of input impedance. Meanwhile, Fe 3 Co 7 with a particle size between 10 and 30 μm can easily enter the inter-bundle pore to form periodic pattern, enriching the electromagnetic loss mechanisms. Two significant electromagnetic resonance peaks for the designed 5.3 mm thick gradient A-T-A laminated structure occur in the vicinity of 7 GHz and 15 GHz, realizing reflection loss less than −10 dB at an incidence angle of 0–40° in TE mode. When the penetrating damage area accounts for 20 %, effective absorption bandwidth almost covers 6–18 GHz. Therefore, gradient A-T-A structure provides an insight for realizing excellent angular and electrical performance damage tolerance.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S2452213924000299; http://dx.doi.org/10.1016/j.coco.2024.101838; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85187241739&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S2452213924000299; https://dx.doi.org/10.1016/j.coco.2024.101838
Elsevier BV
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