Abstract
Based on the one-dimensional shock wave theory and the powder shock temperature rising model, dynamical shock response, shock temperature rising and shock-induced chemical reaction were theoretically analyzed for reactive metals under high-velocity impact by considering the effects of material compactness and impact velocity on shock pressure and shock temperature, respectively. By combining the calculated shock temperature of the power material and the chemical dynamics of shock-induced reaction, a thermo-chemical model for shock-induced reaction in reactive metal materials was presented by taking reaction efficiency into account. The calculated results by the new model presented in this paper are in agreement with the corresponding experiments by L. S. Bennett, et al. Shock-induced chemical reaction characteristics of reactive metal can be influenced evidently by material compactness, impact velocity and material kind.
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