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Thermal Response of WHIPOX-Type all-oxide ceramic matrix composites during reentry simulation in the DLR-LBK arc-heated facility

Mechnich, Peter and Braue, Wolfgang and Schneider, Hartmut and Koch, Uwe and Esser, Burkard and Gülhan, Ali (2005) Thermal Response of WHIPOX-Type all-oxide ceramic matrix composites during reentry simulation in the DLR-LBK arc-heated facility. ESA Publications Division, Noordwijk, NL. Fifth European Symposium on Aerothermodynamics for Space Vehicles, 2004-11-8 - 2004-11-11, Köln, D. ISBN 92-9092-874-3. ISSN 1609-042X

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Abstract

All-oxide ceramic matrix composites (CMCs) such as WHIPOX (wound highly porous oxide) exhibit excellent damage tolerance and thermal stability up to 1400°C. Due to their low density and thermal conductivity these new ceramic materials are considered promising candidates for thermal protection systems (TPS) of spacecrafts. The performance of WHIPOX-type CMCs was evaluated during reentry simulations in the L2K leg of the arc-heated LBK facility of DLR, Cologne. The application of reaction-bonded alumina (RBAO) coatings provides significant CMC surface protection and decreased gas permeability, which are key issues for reentry applications. Since emittance and catalycity of the RBAO-coatings limit the performance of CMCs in a reentry environment, binary SiC/RBAO coatings providing higher emittance and/or lower catalycity proved to be a promising approach.

Document Type:Conference or Workshop Item (UNSPECIFIED)
Title:Thermal Response of WHIPOX-Type all-oxide ceramic matrix composites during reentry simulation in the DLR-LBK arc-heated facility
Authors:
AuthorsInstitution or Email of Authors
Mechnich, PeterUNSPECIFIED
Braue, WolfgangUNSPECIFIED
Schneider, HartmutUNSPECIFIED
Koch, UweUNSPECIFIED
Esser, BurkardUNSPECIFIED
Gülhan, AliUNSPECIFIED
Date:February 2005
Page Range:pp. 103-107
Publisher:ESA Publications Division, Noordwijk, NL
Series Name:ESA SP-563
ISSN:1609-042X
ISBN:92-9092-874-3
Status:Published
Keywords:ceramic matrix composites, WHIPOX, reentry, coatings
Event Title:Fifth European Symposium on Aerothermodynamics for Space Vehicles
Event Location:Köln, D
Event Type:international Conference
Event Dates:2004-11-8 - 2004-11-11
Organizer:European Space Agency
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: Köln-Porz
Institutes and Institutions:Institute of Materials Research > Structural and Functional Ceramics
Institute of Aerodynamics and Flow Technology > Supersonic and Hypersonic Technology
Deposited By: Dr.rer.nat. Peter Mechnich
Deposited On:02 Jan 2006
Last Modified:27 Apr 2009 04:50

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