Complex permittivity of 3D textile SiC/C/SiC composites fabricated by chemical vapor infiltration at X-band frequency

Dong Lin Zhao, Hong Feng Yin, Yong Dong Xu, Fa Luo, Wan Cheng Zhou

Research output: Contribution to journalArticlepeer-review

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Abstract

Three-dimensional textile SiC fiber reinforced SiC composites with pyrolytic carbon interfacial layer (3D-SiC/C/SiC) were fabricated by chemical vapor infiltration. The micro structure and complex permittivity of the 3D textile SiC/C/SiC composites were investigated. The flexural strength of the 3D textile SiC/C/SiC composites was 860 MPa at room temperature. The real part (ε′) and imaginary part (ε″) of the complex permittivity of the 3D-SiC/C/SiC composites are 9.11-10.03 and 4.11-4.49, respectively at the X-band frequency. The 3D-SiC/C/SiC composites would be a good candidate for structural microwave absorbing material.

Original languageEnglish
Pages (from-to)1028-1030
Number of pages3
JournalKey Engineering Materials
Volume368-372 PART 2
DOIs
StatePublished - 2008

Keywords

  • Complex permittivity
  • Microwave absorbing material
  • SiC/C/SiC composites

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