Assessing dynamic compression of AA2024-T351 with split Hopkinson pressure bar simulation

To understand the dynamic compressive behaviour of aluminium alloy AA2024-T351, which is commonly used in maritime and offshore structures, is vital. This is generally achieved using Taylor impact tests, projectile tests and split Hopkinson pressure bars (SHPBs). It can also be obtained in a less expensive way by using a finite-element simulation of an SHPB under different conditions. This paper numerically investigates the effects of striker velocity, striker shape and specimen shape on the dynamic compressive behaviour of AA2024-T351 using a simulated SHPB. The material behaviour was found to be sensitive to strain rates, striker shapes and specimen shapes under various situations.