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Journal of Nanostructures، جلد ۶، شماره ۲، صفحات ۱۴۰-۱۴۸
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عنوان انگلیسی Effect of carbon black content on the microwave absorbing properties of CB/epoxy composites
چکیده انگلیسی مقاله To prevent serious electromagnetic interference, a single-layer and double layer wave-absorbing coating employing complex absorbents composed of carbon black with epoxy resin as matrix was prepared. The morphologies of carbon black /epoxy composites were characterized by scanning electron microscope and atomic force microscope, respectively. The carbon black particles exhibit obvious polyaromatic were characterized by X-ray diffraction. The electromagnetic parameters of carbon black were measured in the frequency range of 8–12 GHz by transmission/reflection technology, and the electromagnetic loss mechanisms of the two particles were discussed, respectively. The microwave absorption properties of the coatings were investigated by measuring reflection loss using arch method. The effects of carbon black mass ratio, thickness and double-layer on the microwave absorption properties were discussed, respectively. The results showed that the higher thickness, higher ratio and double-layer of carbon black /epoxy content could make the absorption band shift towards the lower frequency range. Significantly, the wave-absorbing coating could be applied in different frequency ranges according to actual demand by controlling the content of carbon black in composites.
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نویسندگان مقاله پوریا مهدی زاده |
department of nanoscience and nanotechnology, university of kashan, kashan, iran
سازمان اصلی تایید شده: دانشگاه کاشان (Kashan university)

حسن جهانگیری |
malek-ashtar university of technology, tehran, iran
سازمان اصلی تایید شده: دانشگاه صنعتی مالک اشتر (Malek ashtar university of technology)

نشانی اینترنتی http://jns.kashanu.ac.ir/article_15492_6489178489ff1c77b70d40256cad57b1.pdf
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