Heisse Strukturen. Phase 1 Abschlussbericht

The use and function of hot ceramic structures in future will be determined by the availability of additional hot components (e.g. bearings, seals and fasteners) made of ceramic matrix composites (CMC) especially if the hot structures shall be adjustable as e.g. required for hypersonic air intakes or for control surfaces of re-entry vehicles. Such additional hot ceramic components which can resist temperatures up to 1600 C in air did not exist at the beginning of this work. Especially without bearings, seals and fasteners, the above mentioned applications cannot be realised. The development of corresponding key-technologies has been started the first time by the companies MAN Technologie, DASA Dornier and DLR which worked together in the frame of this project. This companies have developed, manufactured and tested these world-wide new components successfully. The results were superior to the status of the art reached for example in the Hermes program. Because this components can be applied universally, the use of CMC materials will be increased and their application is not only restricted to the design of hot structures for space vehicles. Further demonstration of technical potential and function shall be carried out in Phase 2 of this project, in which a hot control surface for a re-entry vehicle (L/D=0.7) shall be designed, manufactured and tested. The control surface will be realised with CMC materials as well as with ceramic hinge joints, static and dynamic seals and fasteners and will be operated up to 1600 C in air. (orig.)SIGLEAvailable from TIB Hannover: F97B118+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Bildung, Wissenschaft, Forschung und Technologie, Bonn (Germany); Deutsche Agentur fuer Raumfahrtangelegenheiten (DARA) GmbH, Bonn (Germany)DEGerman