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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Preparation and Microwave Absorbing Properties of BaFe12O19 / Unsaturated Polyester Nanocomposites
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 1952-1955)
Author(s): Chang Sun, Key Laboratory for Liquid-Solid Structure Evolution and Processing of Materials (Ministry of Education Shandong University Jinan, China
Kang-ning Sun, Key Laboratory for Liquid-Solid Structure Evolution and Processing of Materials (Ministry of Education Shandong University Jinan, China
Peng-fei Chui, Key Laboratory for Liquid-Solid Structure Evolution and Processing of Materials (Ministry of Education Shandong University Jinan, China
Abstract: The BaFe12O19/unsaturated polyester nanocomposites have been prepared. The complex permeability and permittivity of the BaFe12O19/unsaturated polyester nanocomposites were measured by the transmission/ reflection coaxial line method in the range of 0.5 to 5.0 GHz. Based on the theoretical calculation of reflection loss, the microwave absorption properties of BaFe12O19/unsaturated polyester nanocomposites have been made in the frequency range from 0.5 to 5.0GHz. A maximum reflection loss value of – 52.7 dB has been obtained for absorber thickness of 11.2 mm at 4.4 GHz. The result indicates that the nanocomposites have significant potential for electromagnetic wave absorption application or electro-magnetic shields in the future.
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