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Hetoroporous heterogeneous ceramics for reusable thermal protection systems

Published online by Cambridge University Press:  01 May 2013

Alberto Ortona*
Affiliation:
SUPSI ICIMSI, Strada Cantonale, Galleria 2, 6928 Manno, Switzerland
Claudio Badini
Affiliation:
Politecnico di Torino, Department of Applied Science and Technology, 10129 Torino, Italy
Volker Liedtke
Affiliation:
Aerospace and Advanced Composites GMBH Viktor-Kaplan-Strasse 2 2700 Wiener Neustadt, Austria
Christian Wilhelmi
Affiliation:
EADS Innovation Works Dept. IW-MS 81663 Munich, Germany
Claudio D’Angelo
Affiliation:
SUPSI ICIMSI, Strada Cantonale, Galleria 2, 6928 Manno, Switzerland
Daniele Gaia
Affiliation:
Erbicol SA, Viale Pereda 22, 6828 Balerna, Switzerland
Wolfgang Fischer
Affiliation:
Astrium Space Transportation GmbH Airbus-Allee 1, 28199 Bremen, Germany
*
a)Address all correspondence to this author. e-mail: alberto.ortona@supsi.ch
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Abstract

Reusable thermal protection systems of reentry vehicles are adopted for temperatures ranging between 1000 and 2000 °C, when gas velocity and density are relatively low; they exploit the low thermal conductivity of their constituent materials. This paper presents a new class of light structural thermal protection systems comprised of a load bearing structure made of a macroporous reticulated SiSiC, filled with compacted short alumina/mullite fibers. Their manufacturing process is very simple and does not require special devices or ambient conditions. The produced hetoroporous heterogeneous ceramics showed high radiations shielding capabilities up to 2000 °C in vacuum. Even after repeated exposures at higher temperatures, a significant degradation of the SiSiC scaffold was not observed.

Type
Invited Papers
Copyright
Copyright © Materials Research Society 2013 

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References

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