CONSTITUTIVE EQUATIONS FOR STRUCTURAL STEEL (En-8) AT STRAIN RATES OF 103 TO 105 PER SECOND AND TEMPERATURES OF -30°C TO 235°C M. M. Haque et M. S.J. HashmiJ. Phys. Colloques, 46 C5 (1985) C5-41-C5-47DOI: https://doi.org/10.1051/jphyscol:1985506