Mullite Interlayer of C/Si-C-N Composites Fabricated by PIP

Guo Feng Lu; Sheng Ru Qiao; Jun Tao Hou; Man Feng Gong

doi:10.4028/www.scientific.net/MSF.575-578.881

Paper Titles

Optimization Design for the Interface Modulus of C_sf/Al Composite
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A Study of the Environment–Friendly Chrome-Free Chemical Conversion Coating on 2024 Aluminium Alloy
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Numerical Simulation of Interfacial Bonding Degradation of Composites under Two-Stage Loading
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Study on the Freeze-to-Crack Test of Asphalt Modified by Waste-PE in Packing
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Mullite Interlayer of C/Si-C-N Composites Fabricated by PIP
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Numerical Simulation of Thermal Induced Crack Propagation in Laminated Composites
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Modified Tartagli Method for Calculation of Jominy Hardenability Curve
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Study on Deformation Induced Ferrite Transformation in Mild Steels with or without Niobium
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Determination of the Kinetics for Dynamic and Static Recrystallization by Using the Flow Curves
p.904

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Mullite Interlayer of C/Si-C-N Composites Fabricated by PIP

Abstract:

Mullite interlayer of the carbon fiber reinforced Si-C-N matrix composite (C/Si-C-N) was fabricated by liquid precursor impregnation and pyrolysis (PIP). The mixture of aluminium secbutoxide (A1OBu) and tetraethoxysilicate (TEOS) were used as starting materials. The monophase polymer gel used as mullite precursor could be formed from the mixture in the semi-closed air. A mullite interlayer with a thickness about 500nm is obtained at 850°C- 1200°C. The fiber/interlayer bonds are tight. The carbon fibers are not damaged in the fabrication procedure.