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The impact-induced chemical reaction behavior of ZrTiNiCuBe bulk metallic glass was investigated by ballistic impact experiments. The Zr-based metallic glass fragments were launched at different initial velocities to normally impact 08 low-carbon steel plates with different thicknesses. The impact-induced deflagration was observed, and the shock wave overpressure after the target and the damage patterns of the thin plates were measured and analyzed. As the results show, the impact-induced chemical reaction is co-determined by the impact velocity and the thickness of the plate. The higher the impact velocity and the thinner the plate, the higher the shock wave overpressure and energy release rate due to a more intense chemical reaction. The damage pattern of ductile reaming was formed and the radial reaming effect is obvious due to the chemical energy released during the penetration. Moreover, combining theoretical considerations with experimental results, the engineering models of the shock wave pressure and the deflection were developed, the calculated results agree well with the experimental data, which can provide a reliable basis for the evaluation of the impact response and energy release of the Zr-based metallic glasses.

Impact-induced chemical reaction behavior of ZrTiNiCuBe bulk metallic glass fragments impacting on thin plates