Quote:
Originally Posted by psykick5
For those wondering about CF, it's immensely strong and in a crash, say my bumper was CF and I ran into a wall, the CF would shatter, but as it shatters it takes massive amounts of energy with it. I doubt they'd make bumpers of it, though. Just an example.
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Yes, it's very strong, but CF makes a horrible crash barrier for human survival. Crash survivability is all about managing force over time. The human body does not react well to peaks in force.
Ideally, you want to spread the energy of a crash out over the longest time possible. The deformation characteristics of CF are the opposite of what you want. You get a
huge peak in resistance force, followed by a cliff. Steel components dissipate force more linearly, which reduces the peak force transferred and spreads it out over time. This is far more desirable for human survivability.
CF is great, but you have to use it in the right way.