PREPARATON AND PROPERTIES OF QUARTZ FIBER REINFORED BORON NITRIDE CERAMIC MATRIX COMPOSITES

Abstract

Abstract: The 2.5D quartz fiber reinforced boron nitride ceramic matrix (2.5D SiO_2f/BN) composites were prepared by using borazine as the boron nitride ceramic precursor and 2.5D quartz fiber preforms as the reinforcement.The structure characterization of borazine was performed. The densification effect, mechanical properties and dielectric properties of 2.5D SiO_2f/BN composites were investigated. Experimental study shows that 2.5D SiO_2f/BN composites have a dense outer layer and a loose, porous interior. They have excellent mechanical and dielectric properties which can be used for radome wave-transmitting materials.

Key words: quartz fiber, boronnitride, composite, wave-transmitting

CLC Number:

TB332

GAO Long-fei, CHAI Xiao-xiao, MA Jun-yi, LI Song. PREPARATON AND PROPERTIES OF QUARTZ FIBER REINFORED BORON NITRIDE CERAMIC MATRIX COMPOSITES[J]. Composites Science and Engineering, 2020, 0(10): 101-104.

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