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Microwave Absorption Properties of Polymer-Derived SiCN(Fe)/Si3N4 Ceramics

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Advances in Powder and Ceramic Materials Science

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

Abstract

Iron-doped SiCN/Si3N4 ceramics were synthesized by dipping-pyrolysis polysilazane with iron(III) acetylacetonate and use porous silicon nitride as matrix. The polysilazane pyrolyzed a certain amount of free carbon and silicon nitride at the high temperature. The content of iron increased with the increase in the amount of iron(III) acetylacetonate addition. When the sample was added with 5wt% iron(III) acetylacetone, the ε′ reached the lowest value of 1 at 15.4 GHz, the highest peak value of the tan ε was 3.09 at 15.2 GHz, and the R of the sample was lower than −20 dB at 15.5 GHz, which implied that it has great wave absorption performance in the high-frequency region and could absorb more than 99% of the incident electromagnetic waves. The uniform distribution of C, β-SiC, and α-Fe in the samples is helpful to improve the wave absorption properties of the materials.

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Author information

Authors and Affiliations

  1. Key Laboratory for Liquid-Solid Structural Evolution & Processing of Materials of Ministry of Education, Shandong University, Jinan, 250061, China

    Xiao Lin, Hongyu Gong, Yujun Zhang, Jianqiang Bi, Yurun Feng & Shan Wang

  2. Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University, Jinan, 250061, China

    Xiao Lin, Hongyu Gong, Yujun Zhang, Yurun Feng & Shan Wang

Authors
  1. Xiao Lin
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  2. Hongyu Gong
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  3. Yujun Zhang
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  4. Jianqiang Bi
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  5. Yurun Feng
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  6. Shan Wang
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Corresponding author

Correspondence to Hongyu Gong .

Editor information

Editors and Affiliations

  1. Michigan Technological University, Houghton, MI, USA

    Bowen Li

  2. Cornell University, Ithaca, NY, USA

    Shefford P. Baker

  3. Beijing Institute of Technology, Beijing, China

    Huazhang Zhai

  4. Military Institute of Engineering, Rio de Janeiro, Brazil

    Sergio Neves Monteiro

  5. Eurofins EAG Materials Science, Liverpool, NY, USA

    Rajiv Soman

  6. Southwest University of Science and Technology, Mianyang, China

    Faqin Dong

  7. China University of Geosciences, Beijing, China

    Jinhong Li

  8. The University of Alabama, Tuscaloosa, AL, USA

    Ruigang Wang

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Lin, X., Gong, H., Zhang, Y., Bi, J., Feng, Y., Wang, S. (2020). Microwave Absorption Properties of Polymer-Derived SiCN(Fe)/Si3N4 Ceramics. In: Li, B., et al. Advances in Powder and Ceramic Materials Science. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-36552-3_7

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