Investigation of cotton fabric composites as a natural radar-absorbing material

Ayan, Muhammet Çağrı; Yapıcı, Ahmet; Karaaslan, Muharrem; Akgöl, Oğuzhan; Altıntaş, Olcay; Ünal, Emın

doi:10.1108/aeat-01-2020-0018

Cited by 13 publications

(5 citation statements)

References 35 publications

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“…e latest synthetic material for radar absorption is given in Ayan et al's (2020) [11] research. As a RAM, the synthetic cotton composite material was studied.…”

Section: Literature Reviewmentioning

confidence: 99%

Development and Application of Information Resources for Education and Teaching of Yarn History Based on 5G Network Technology

Zhang

Yang

2022

Mathematical Problems in Engineering

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Yarn education is a crucial step in producing high-quality textile end products. By offering quick insights into yarn quality, online yarn testing can reduce latency in critical process control, resulting in the manufacture of higher-quality yarns. This paper proposes the development and application of information resources for the education and teaching of yarn history based on fifth-generation (5G) network technologies. Firstly, the yarn database is preprocessed using greyscale transformation and image filtering methods. Secondly, yarn segmentation is implemented using a Multiresolution Markov Random Field (MRMRF) model. Fourier transform and two-scale attention models are used to extract statistical and relative characteristics, respectively. For classifying the yarn photos, we propose using Improved Support Vector Machine (ISVM) classification. The 5G network has been set up, and data is transferred using the Transmission Control Protocol. To enhance the performance, we propose an Improved Particle Swarm Optimization (IPSO) algorithm. The performance of the suggested methodology is analyzed and compared with existing methodologies using the MATLAB simulation tool. The suggested algorithm's classification performance suggests that the 5G framework could provide an accurate, rapid, reliable, and cost-effective solution to industrial automation.

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“…e latest synthetic material for radar absorption is given in Ayan et al's (2020) [11] research. As a RAM, the synthetic cotton composite material was studied.…”

Section: Literature Reviewmentioning

confidence: 99%

Development and Application of Information Resources for Education and Teaching of Yarn History Based on 5G Network Technology

Zhang

Yang

2022

Mathematical Problems in Engineering

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“…The mechanical value of cotton fabric composite board was lower, but the EM wave absorption value in a certain frequency range was higher than that of carbon fabric composite board. Cotton-carbon fabric composites have better absorbing performance than pure carbon fabric composites in 12~18 GHz frequencies [80]. Fan et al [81,82] tested three kinds of 3D woven carbon fiber/epoxy composites with different structures, and the experimental test results showed that the composite has good EM absorption and shielding efficiency, and its excellent mechanical properties and absorption capacity can be widely used in radar absorption structures.…”

Section: Researches Of Wave-absorbing Fabrics Preparationmentioning

confidence: 99%

A Review of Electromagnetic Shielding Fabric, Wave-Absorbing Fabric and Wave-Transparent Fabric

Yin

Gao

et al. 2022

Polymers

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As the basic materials with specific properties, fabrics have been widely applied in electromagnetic (EM) wave protection and control due to their characteristics of low density, excellent mechanical properties as well as designability. According to the different mechanisms and application scenarios on EM waves, fabrics can be divided into three types: EM shielding fabric, wave-absorbing fabric and wave-transparent fabric, which have been summarized and prospected from the aspects of mechanisms and research status, and it is believed that the current research on EM wave fabrics are imperfect in theory. Therefore, in order to meet the needs of different EM properties and application conditions, the structure of fabrics will be diversified, and more and more attentions should be paid to the research on structure of fabrics that meets EM properties, which will be conductive to guiding the development and optimization of fabrics. Furthermore, the application of fabrics in EM waves will change from 2D to 3D, from single structure to multiple structures, from large to small, as well as from heavy to light.

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“…First of all, epoxy resins are widely used as matrix material due to the fact that they are easily involved in the production process of aircraft composite materials such as coats, radomes and absorbers (Jayalakshmi et al , 2019). Cotton fabrics were examined in terms of the radar absorption capabilities in Ayan et al (2020). In Mai et al (2018), the shielding properties of the same material with a different coating were emphasized.…”

Section: Introductionmentioning

confidence: 99%

Mechanical and radar absorption properties of sheep wool/epoxy composites

Saracoglu,

Kiriş,

Çoban

et al. 2024

AEAT

Self Cite

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Purpose The aim of this study is to determine the fracture behavior of wool felt and fabric based epoxy composites and their responses to electromagnetic waves. Design/methodology/approach Notched and unnotched tensile tests of composites made of wool only and hybridized with a glass fiber layer were carried out, and fracture behavior and toughness at macro scale were determined. They were exposed to electromagnetic waves between 8 and 18 GHz frequencies using two horn antennas. Findings The keratin and lignin layer on the surface of the wool felt caused lower values to be obtained compared to the mechanical values given by pure epoxy. However, the use of wool felt in the symmetry layer of the laminated composite material provided higher mechanical values than the composite with glass fiber in the symmetry layer due to the mechanical interlocking it created. The use of wool in fabric form resulted in an increase in the modulus of elasticity, but no change in fracture toughness was observed. As a result of the electromagnetic analysis, it was also seen in the electromagnetic analysis that the transmittance of the materials was high, and the reflectance was low throughout the applied frequency range. Hence, it was concluded that all of the manufactured materials could be used as radome material over a wide band. Practical implications Sheep wool is an easy-to-supply and low-cost material. In this paper, it is presented that sheep wool can be evaluated as a biocomposite material and used for radome applications. Originality/value The combined evaluation of felt and fabric forms of a natural and inexpensive reinforcing element such as sheep wool and the combined evaluation of fracture mechanics and electromagnetic absorption properties will contribute to the evaluation of biocomposites in aviation.

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Investigation of cotton fabric composites as a natural radar-absorbing material

Cited by 13 publications

References 35 publications

Development and Application of Information Resources for Education and Teaching of Yarn History Based on 5G Network Technology

Development and Application of Information Resources for Education and Teaching of Yarn History Based on 5G Network Technology

A Review of Electromagnetic Shielding Fabric, Wave-Absorbing Fabric and Wave-Transparent Fabric

Mechanical and radar absorption properties of sheep wool/epoxy composites

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