Material Memory and NASA High Tech Plastics for Rotor Blades
Some new materials, types of plastics seem to be stronger than steel by quite a bit. Since they are made of polymer plastic blends it will be possible to add in some material memory manufacturing in the process.
from: http://ezinearticles.com/?Material-Memory-and-NASA-High-Tech-Plastics-for-Rotor-Blades&id=67070
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