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Manufacture and Characterisation of OXIPOL Based on Different Oxide Fibres

Denis, Sandrine and Friess, Martin and Klatt, Enrico and Heidenreich, Bernhard (2010) Manufacture and Characterisation of OXIPOL Based on Different Oxide Fibres. In: High Temperature Ceramic Materials and Composites, pp. 414-419. HTCMC 7, 20.-22. Sept. 2010, Bayreuth, Germany. ISBN 978-3-00-032049-1.

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Within the scope of the German funded project HIPOC (High Performance Oxide Ceramics) oxide/oxide ceramic matrix composites (CMC) are further developed at DLR. These so-called OXIPOL (Oxide CMC based on Polymers) materials are investigated for the use in high thermo-mechanically loaded components in jet engine. OXIPOL materials are manufactured via polymer infiltration and pyrolysis (PIP). Hereby dry fabrics made of oxide fibres are infiltrated with powdery polysiloxane precursors via warm pressing and pyrolised. The composites are densified in up to four subsequent cycles of polymer infiltration and pyrolysis, leading to open porosities below 10%. To obtain typical CMC properties like damage tolerance and thermal shock resistance, a weak fibre matrix bonding based on fugitive coating is used. In this work, different fibres composed of alumina, alumina silicate or mullite were investigated. Additionally the fibre coating process was varied. The manufacturing process and the mechanical properties before and after exposure at 1200°C are described.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:Manufacture and Characterisation of OXIPOL Based on Different Oxide Fibres
AuthorsInstitution or Email of Authors
Denis, SandrineDLR BK
Friess, MartinDLR BK
Klatt, EnricoDLR BK
Heidenreich, BernhardDLR BK
Date:September 2010
Journal or Publication Title:High Temperature Ceramic Materials and Composites
Page Range:pp. 414-419
Krenkel, WalterUNSPECIFIED
Keywords:CMC, ceramic matrix composite, oxide, fugitive coating, OXIPOL, warm press, RTM
Event Title:HTCMC 7
Event Location:Bayreuth, Germany
Event Type:international Conference
Event Dates:20.-22. Sept. 2010
Organizer:Universität Bayreuth / Fraunhofer ISC / INSA Lyon / Université de Bordeaux
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Combustion Chamber Technologies
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Ceramic Composite Structures
Deposited By: Sandrine Denis
Deposited On:11 Jan 2011 09:26
Last Modified:11 Jan 2011 09:26

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