Abstract
The energy-absorbing capacity of two austenitic stainless steel grades, EN 1.4318 and EN1.4301, was investigated by means of uniaxial tensile tests and compression tests thatwere performed on weld-bonded sheet metal profiles. Both quasi-static and dynamic properties of the materials were studied. The results of the compression testswere comparedwith the tensile test results. It was observed that owing to the higher work-hardening rate the unstable EN 1.4318 steel absorbs the crash energy more effectively. The results indicated that the work-hardening rate is an essential material property when optimising the energy absorption of sheet metal profiles.
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