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ECN publicatie:
Titel:
Fibre reinforced CMC with organometallic delivered matrix
 
Auteur(s):
Rak, Z.S.
 
Gepubliceerd door: Publicatie datum:
ECN 1998
 
ECN publicatienummer: Publicatie type:
ECN-RX--98-025 Artikel wetenschap tijdschrift
 
Aantal pagina's:
17  

Gepubliceerd in: Paper, presented at the conference CIMTEC, World ceramics congress & forum on new materials, held in Florence, Italy, from 14 ti (), , , Vol., p.-.

Samenvatting:
The C/S3N4 composite material was manufactured by a pressureinfiltration of 2D carbon fibre preforms using a Si3N4 slurry followed by a single liquid preceramic polymer infiltration and pyrolysis in a furnace with a nitrogen atmosphere. The densification degree, microstructure, thermal and mechanical properties of the composite material were characterised. The C/Si3N4 composite material pyrolyzed at 1300C is considered to be a very promising material for low temperature applications. The residual porosity of the material was in a range of 8-9 %, the specific density was 2.13 g/cm3, the flexural strength was approximately 200 MPa and the Young's modulus 120 GPa. 11 refs.


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