MEASURING DATA FROM INSTRUMENTED IMPACT LOADED MEDIUM SCALE STEEL SPECIMEN AND THEIR USE FOR CHARACTERIZING DYNAMIC MATERIAL TOUGHNESS H. D. JOAS, K. E. BECKER, A. R. MEYER et K. G. SCHMITT-THOMASJ. Phys. Colloques, 49 C3 (1988) C3-695-C3-700DOI: https://doi.org/10.1051/jphyscol:1988398