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Type: Artigo de evento
Title: The Protective Role Of Poly(borosiloxanes)-derived Ceramics In Carbon Fiber Composites
Author: Siqueira R.L.
Pardini L.C.
Yoshida I.V.P.
Schiavon M.A.
Abstract: This work reports the synthesis and thermal characterization of poly(borosiloxanes) (PBS) derived from methyltrietoxysilane (MTES) and vinyltriethoxysilane (VTES), aiming to use these polymers as precursors of ceramic matrices for the protection of carbon fibers in ceramic matrix composites (CMCs). The resulting materials exhibited better thermal stability than the carbon fiber, especially the Cfiber/SiBCO composite derived of the methyltriethoxysilane (MTES) system prepared with a B/Si ratio of 0.5. This study showed that poly(borosiloxanes) are promising materials for the oxidation protection of carbon fibers, and consequently for thermal protection systems.
Rights: fechado
Identifier DOI: 
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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