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Ullmann, T. and Schmücker, M. and Hald, H. and Henne, R. and Schneider, H. (2000) OXIDATION PROTECTION OF C/SiC COMPOSITES. 8th INTERNATIONAL SYMPOSIUM ON MATERIALS IN A SPACE ENVIRONMENT; 5th INTERNATIONAL CONFERENCE ON PROTECTION OF MATERIALS AND STRUCTURES FROM THE LEO SPACE ENVIRONMENT, Archachon, Frankreich, Juni 2000.
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Abstract
Hot structures designed of carbon fibre reinforced ceramic materials like C/C or C/SiC are key technologies for applications of light weight thermal protection systems (TPS) of reusable aerospace vehicles. However oxidation sensitivity of carbon fibres above 400°C is the limiting factor for the use of such composite materials under atmospheric reentry conditions. Therefore oxidation protection coatings are inevitable in terms of reliability and reusability of structural C/C or C/SiC components. In this study a new ceramic 2-layer coating system based on yttrium-silicates and silicon carbide is presented. The outer protection layer of silicate material is applied by low pressure plasma spraying (LPPS). Spray parameters have been determined and optimized focusing applicability on larger structural parts with complex geometry. Qualification tests within a solar furnace and two plasma wind tunnel test facilities proofed high thermal shock resistance combined with very low mass loss rates at temperatures up to 1600°C.
| Item URL in elib: | https://elib.dlr.de/14821/ | ||||||||||||||||||||||||
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| Document Type: | Conference or Workshop Item (Paper) | ||||||||||||||||||||||||
| Additional Information: | LIDO-Berichtsjahr=2001, | ||||||||||||||||||||||||
| Title: | OXIDATION PROTECTION OF C/SiC COMPOSITES | ||||||||||||||||||||||||
| Authors: |
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| Date: | 2000 | ||||||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||||||
| Keywords: | CMC, ceramic, applications, manufacture, silicon-based materials, LSI, reentry, coating, space application | ||||||||||||||||||||||||
| Event Title: | 8th INTERNATIONAL SYMPOSIUM ON MATERIALS IN A SPACE ENVIRONMENT; 5th INTERNATIONAL CONFERENCE ON PROTECTION OF MATERIALS AND STRUCTURES FROM THE LEO SPACE ENVIRONMENT, Archachon, Frankreich, Juni 2000 | ||||||||||||||||||||||||
| Organizer: | CNES (FRA), ONERA (FRA), ESA (mult.), Canadian Space Agency (CDN), ITL (CDN) | ||||||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport (old) | ||||||||||||||||||||||||
| HGF - Program: | Space (old) | ||||||||||||||||||||||||
| HGF - Program Themes: | W RP - Raumtransport | ||||||||||||||||||||||||
| DLR - Research area: | Space | ||||||||||||||||||||||||
| DLR - Program: | W RP - Raumtransport | ||||||||||||||||||||||||
| DLR - Research theme (Project): | UNSPECIFIED | ||||||||||||||||||||||||
| Location: | Stuttgart | ||||||||||||||||||||||||
| Institutes and Institutions: | Institute of Structures and Design | ||||||||||||||||||||||||
| Deposited By: | DLR-Beauftragter, elib | ||||||||||||||||||||||||
| Deposited On: | 16 Sep 2005 | ||||||||||||||||||||||||
| Last Modified: | 14 Jan 2010 22:21 |
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