2. Future launchers and composite materials
In the medium term, there are unlikely to be any major changes in the use of composites, even for a new launcher like Ariane 5, which could be described as "classic" in its design, with its 3 propulsion stages. Composites could be used in the following areas:
nozzle with deployable divergent tip in thermostructural materials for cryogenic upper-stage engines ;
filament-wound booster shells (used on the Titan's SRMU booster);
composite flanges.
The small launchers that are emerging or under study make greater use of composites, with smaller, non-segmented solid-propellant engines for which the "wound" solution is particularly well-suited.
Composites could also be used for the vehicles of the future: single- or twin-stage...
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Future launchers and composite materials
Ariane 5: industrial organization
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