Abstract
As an ultra-high strength steel, 30CrMnSiNi2A steel has good plasticity, toughness and fatigue resistance, and it has been widely used in components that withstand explosion and dynamic shock loads. Therefore, the mechanical behavior of 30CrMnSiNi2A steel under strong impact load is the focus of attention. In this paper, the flyer impact experiment of 30CrMnSiNi2A steel is carried out in the pressure range of 0~20 GPa by a one-stage light air gun, and the impact adiabatic relationship of 30CrMnSiNi2A steel is studied. The Hugoniot pressure and Hugoniot temperature of 30CrMnSiNi2A steel were obtained by fitting the valid experimental data. The research results provide a reference for the application of 30CrMnSiNi2A steel in the field of explosion and impact.
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