Quote:
Originally Posted by fuct
transfering energy is the crumpling up effect. the bar its self is weak, yet it absorbs the energy..... why else would it be made from aluminum, other than weight?
think stepping on a coke can.
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Aluminum is stronger than you think,and not all bumper reinforcements are made of aluminum some are steel,high strength steel ,and ultra high strength steel.
And now on some imports they are a composite metal/fiberglass