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Abstract

In this study, a comparison of dynamic mechanical behaviour of thin sheet boxes (crash energy absorbers) of two different materials (aluminium and steel), submitted to crash tests by means of a large Hopkinson bar, is reported. For the steel boxes, the experimental results show that the first peak load value is higher than the successive ones; for aluminium boxes the first peak load is almost at the same level of the successive ones. An analysis of such a difference is given by studying the wave phenomena occurring at the beginning of the crash test and the mechanical behaviour of materials.

Additional information

Authors: ALBERTINI C, JRC Ispra (IT);CADONI E, JRC Ispra (IT);LABIBES K, JRC Ispra (IT)
Bibliographic Reference: Paper presented: ISATA 96, Firenze (IT), June 3-6, 1996
Availability: Available from (1) as Paper EN 39760 ORA
Record Number: 199610676 / Last updated on: 1996-06-21
Category: PUBLICATION
Original language: en
Available languages: en
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