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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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Abstract

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)
Additional Information: LIDO-Berichtsjahr=2002,
Title:CMC Materials for Lightweight and Low CTE Applications
Authors:
AuthorsInstitution or Email of Authors
Renz, R.UNSPECIFIED
Heidenreich, B.UNSPECIFIED
Krenkel, W.UNSPECIFIED
Schöppach, A.Zeiss Optronik GmbH
Richter, F.Carl Zeiss 3D Automation GmbH
Date:2001
Journal or Publication Title:High Temperature Ceramic Matrix Composites
Page Range:pp. 839-845
Editors:
EditorsEmail
Krenkel, W.UNSPECIFIED
Naslain, R.UNSPECIFIED
Schneider, H.UNSPECIFIED
Publisher:Wiley-VCH
ISBN:3-527-30320-0
Status:Published
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
Organizer:DGM/DLR
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: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 22:22

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