Strain rate change tests with the Split Hopkinson Bar method M. Isakov, J. Kokkonen, K. Östman and V.-T. Kuokkala Eur. Phys. J. Special Topics, 225 2 (2016) 231-242 Published online: 11 September 2015 DOI: 10.1140/epjst/e2015-99999-x