Finite element analysis of Charpy tests on extruded aluminium alloys Y. Chen, O. S. Hopperstad, A. H. Clausen, T. Børvik and T. BerstadDYMAT - International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading, 2 (2009) 1767-1773DOI: https://doi.org/10.1051/dymat/2009249