Abstract
In this study, quasi-static and dynamic three-point bending tests were carried out to evaluate the performance of tubes made of different materials for their application in side impact protection. The load carrying capacity, total and specific energy absorption, and fracture characteristics were determined for cylindrical welded tubes of an advanced high strength steel (AHSS) and cylindrical extruded tubes of aluminium alloys 6061T6 and 7075T6. The results showed that the peak bending load and energy absorption best correlate to the tube’s yield strength and wall thickness. In addition, finite element analysis was performed using the commercial software package LS-DYNA®. The simulation outputs showed good agreement with experimental data. The finite element model will be used in the future parametric studies.
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