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FRPs with cell cores absorb crash energy. (Technology Update).

High Performance Plastics, August, 2002

US researchers have developed lightweight FRPs to protect persons and equipment during aircraft and ground-vehicle crashes.

The structures are designed to hold their initial shape and sustain rated loads under normal operating conditions, and, during crashes, to undergo sustained deformation with high stroke efficiency at tailored crush loads to absorb kinetic energy.

The development work was carried out by Sotiris Kellas and Huey Carden at the US National Aeronautics and Space Administration's (NASA's) Langley Research Center, Hampton, Virginia, USA.

According to the researchers, the FRPs can be fabricated by using relatively simple, cost-effective techniques, and can be readily adapted to a variety of applications.

In one example,...

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