Key highlights

Sophisticated space structures, for example, antenna reflectors or optical benches, require special materials to meet the demands placed on them.

INVENT has developed a carbon fibre honeycomb with a low coefficient of thermal expansion and high stiffness to significantly improve the thermoelastic stability of these structures.

Applications

Highly stable structures, e.g. instruments
Optical benches
Antenna reﬂectors

Key features

low CTE & CME (high thermo-elastic stability)
high stiffness
high strength
low density
high or low thermal conductivity
high service temperatures
ITAR free
low outgassing
venting holes to enable vacuum applications

Standard materials: CFRP or GFRP
Density: 36-40 kg/m³
Cell Size: 10 mm

Customization

capability to mill specific shapes on request
can be bonded to CFRP/CFRP faceskins as a ready-to-use sandwich structure

Flight heritage

H2Sat (Flight proven TRL9)
ExoMars (Flight ready TRL8)

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Last updated: 2025-10-27