CMC Materials for Lightweight and Low CTE Applications
Renz, R. and Heidenreich, B. and Krenkel, W. and Schöppach, A. and Richter, F. (2001) CMC Materials for Lightweight and Low CTE Applications. In: High Temperature Ceramic Matrix Composites, pp. 839-845. Wiley-VCH. 4th International Conference on High Temperature Ceramic Matric Composites (HT-CMC 4), München, 1-3. Oktober 2001. ISBN 3-527-30320-0.
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Carbon fibre reinforced CMC materials, originally developed for the thermal protection of reusable spacecrafts, offer a great applicability for extreme lightweight and thin walled structures combining an excellent strength to density ratio with a close to zero thermal expansion behaviour. These outstanding properties and a cost efficient manufacturing route, predestine these C/C-SiC materials for a variety of low CTE applications e.g. for telescopes or calibration artefacts. This paper deals with principal correlations between the thermal expansion of different C/C-SiC materials as well as their microstructural characterisation. Additionally, two special applications designed, manufactured and tested successfully in collaboration with industrial partners will be described exemplarily. One is a telescope structure for the data link between satellites based on an optical concept. The other application is a new calibration ball plate for coordinate measuring machines.
|Document Type:||Conference or Workshop Item (Paper)|
|Title:||CMC Materials for Lightweight and Low CTE Applications|
|Journal or Publication Title:||High Temperature Ceramic Matrix Composites|
|Page Range:||pp. 839-845|
|Keywords:||CMC, melt infiltration, processing, low cost, manufacture, LSI, applications, lightweight, thermal expansion|
|Event Title:||4th International Conference on High Temperature Ceramic Matric Composites (HT-CMC 4), München, 1-3. Oktober 2001|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W RP - Raumtransport|
|DLR - Research area:||Space|
|DLR - Program:||W RP - Raumtransport|
|DLR - Research theme (Project):||UNSPECIFIED|
|Institutes and Institutions:||Institute of Structures and Design|
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||16 Sep 2005|
|Last Modified:||14 Jan 2010 22:22|
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