Fabrication of a ZrC-SiC matrix for ceramic matrix composites via in-situ reaction and its application
CERAMICS INTERNATIONAL(2013)
摘要
A ZrC-SiC matrix was fabricated by means of in-situ reaction method, by using zirconium powders, silicon powders and phenolic resin as raw materials. The crystal size and morphology of the synthesized matrix were characterized by scanning electron microscopy. The microstructures, as well as mechanical and ablative properties of three-dimensional C-f/ZrC-SiC composites were studied. The flexural strength of the composite was 257 MPa, and the elastic modulus was 59.3 GPa. The anti-ablation property was evaluated via a plasma wind tunnel test. Results show that the shape and surface of the composite remains intact, being the composite almost unabated. (C) 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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关键词
In-situ reaction,Composites,Application,ZrC-SiC matrix
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