Browse Publications Technical Papers 2006-01-3615

Tailoring the Energy Absorption Profile of a Carbon Fiber Impact Attenuator 2006-01-3615

Predictive capabilities and understanding of how energy absorbing composite structures can be constructed, without additional size or weight, are necessary in order to ensure the deceleration of the driver is kept below human threshold levels. Often, the deceleration rate is modified by changes in the core or crushable material of the composite structure. In the current research, carbon fiber energy attenuators were designed, constructed, and tested to demonstrate the ability to tailor the energy absorbing profile through changes of the fiber orientation and ply stacking sequence. Reinforcing wraps of uni-directional carbon fiber were used to modify a baseline ply sequence and improved response was recorded in each case.


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