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|
|Journal or Publication Title:||High Temperature Ceramic Materials and Composites|
|Page Range:||pp. 414-419|
|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|
|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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