Abstract:
Conditions of shock-induced melting of diamond powders are considered. For powders of various porosities, shock Hugoniots in the coordinates $(p, u)$ and $(p, T)$ and the pressures at the beginning and end of equilibrium melting are calculated. Thermal nonequilibrium of the shock compression of the powders is analyzed. Pressures at the onset of melting near pores are calculated. Shock-induced melting of detonation nanodiamond powders is considered. Calculation results show that explosion-induced melting of diamond powders is possible only under energy cumulation conditions.
Keywords:diamond powder, shock wave, melting, energy cumulation.
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