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A Comparative Study on the Effects of FSS with Different Elements on the Characteristics of Radar Absorbing Materials Xin-yi Chen 1, a, Jian-bo Wang 1,b, Jun Lu 1,c,*, Guan-cheng Sun 1,2,d and Gui-bo Chen 1,e 1 School of Science, Changchun University of Science and technology, Changchun 130022, China 2 Key Laboratory of Optical System Advanced Manufacturing Technology Chinese Academy of Sciences, Changchun 130022, China achenxy@126.com, bwangjianbo@126.com, cjunlucc@126.com, dsunguanc@gmail.com, egbchen@yeah.net Keywords: Absorbing materials; Frequency selective surface (FSS); Resonance frequency; Bandwidth Abstract.
Among the radar absorbing materials, the thin and light materials with wide absrobing band and good absorbing ability are the objectives of the researchers who have achieved these by adopting different methods[1].
The results show that all the FSS units have great influence on the absorbing materials.
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To analysis the variation of S11-parameter by changing the substrate materials which have permittivity almost near to FR-4, a comparison is shown in Fig. 6.
Table 3 shows the list of the materials used in the comparison.
Table 3: Dielectric properties of different substrate materials Substrate Materials Relative Permittivity Loss tangent Rogers TMM 4 (tm) 4.5 0.002 Arlon AD450 (tm) 4.5 0.0035 FR-4 4.6 0.02 Bakelite 4.8 0.002 Fig. 6.
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This collaboration between design and science opened up for a wider range of material design and functional possibilities, as well as more circular value chains for materials.
Although a wide array of methods for producing vegan leather exist in the textile and fashion field, combining the rigour of material science with design methodology could be more convincing in moving materials away from basic research and towards industrial applications to demonstrate their functional properties of materials.
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Metal materials are one of the most widely used materials.
It will provide reference for researchers engaging in the Extenics field and material science.
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That is, to individual material, materials chosen, but also for an entire industry.
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The ability to control the mechanical properties of metal alloys is an urgent task in materials science.
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