A functional electric motor prototype with multimaterial housings was investigated, manufactured, and tested, demonstrating robust behaviour and performance parity with the baseline while delivering meaningful gains in structural efficiency.
Achieved KPIs include:
- 27% housing weight reduction, currently limited by additive manufacturing wall-thickness constraints but with strong potential for further improvements through topology and lattice optimisation;
- up to 50% reduction in supply-chain lead time enabled by additive manufacturing and composite processing;
- over 200% increase in mechanical load capability of the CCF front plate compared to aluminium, supported by its five-times-higher specific tensile strength;
- 8% improvement in motor power density, with further gains expected in future scaled designs.
Overall, the results validate the feasibility and benefits of MULTHEM’s multimaterial approach for aerospace electric propulsion, providing a solid foundation for future optimisation, upscaling, and integration into next-generation lightweight electric machines.
