<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>SiNO continuous fiber reinforced boron nitride (BN) wave-transparent composites (SiNOf/BN) have been fabricated by a precursor infiltration pyrolysis (PIP) method using borazine as the precursor. The densification behavior, microstructures, mechanical properties, and dielectric properties of the composites have been investigated. After four PIP cycles, the density of the composites had increased from 1.1 g·cm−3 to 1.81 g·cm−3. A flexural strength of 128.9 MPa and an elastic modulus of 23.5 GPa were achieved. The obtained composites have relatively high density and the fracture faces show distinct fiber pull-out and interface de-bonding features. The dielectric properties of the SiNOf/BN composites, including the dielectric constant of 3.61 and the dielectric loss angle tangent of 5.7×10−3, are excellent for application as wave-transparent materials.</p></abstract>

SiNO continuous fiber reinforced boron nitride (BN) wave-transparent composites (SiNOf/BN) have been fabricated by a precursor infiltration pyrolysis (PIP) method using borazine as the precursor. The densification behavior, microstructures, mechanical properties, and dielectric properties of the composites have been investigated. After four PIP cycles, the density of the composites had increased from 1.1 g·cm−3 to 1.81 g·cm−3. A flexural strength of 128.9 MPa and an elastic modulus of 23.5 GPa were achieved. The obtained composites have relatively high density and the fracture faces show distinct fiber pull-out and interface de-bonding features. The dielectric properties of the SiNOf/BN composites, including the dielectric constant of 3.61 and the dielectric loss angle tangent of 5.7×10−3, are excellent for application as wave-transparent materials.

Fabrication and properties of SiNO continuous fiber reinforced BN wave-transparent composites

National Key Laboratory of Advanced Ceramic Fibers and Composites, College of Aerospace and Materials Engineering, National University of Defense Technology, Changsha, 410073, China

State Key Laboratory of Key Laboratory of Advanced Technology for Specially Functional Materials, Ministry of Education, Wuhan University of Technology, Wuhan, 430070, China

State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

SiNO continuous fiber reinforced boron nitride (BN) wave-transparent composites (SiNOf/BN) have been fabricated by a precursor infiltration pyrolysis (PIP)...

Fabrication and properties of SiNO continuous fiber reinforced BN wave-transparent composites

Published Online: Jul 18, 2012

Page range: 137 - 142

DOI: https://doi.org/10.2478/s13536-012-0017-0

Keywords
SiNO continuous fiber, boron nitride, wave-transparent composites, mechanical properties, dielectric properties

© 2012 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fabrication and properties of SiNO continuous fiber reinforced BN wave-transparent composites

Published Online: Jul 18, 2012

Page range: 137 - 142

DOI: https://doi.org/10.2478/s13536-012-0017-0

KeywordsSiNO continuous fiber, boron nitride, wave-transparent composites, mechanical properties, dielectric properties

© 2012 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
SiNO continuous fiber, boron nitride, wave-transparent composites, mechanical properties, dielectric properties