Methods of high time-resolution spectroscopy were used to determine two stages of explosive luminescence in solid energetic materials: the pre-explosive stage and the stage of processes occurring in explosion products. It was experimentally established that in silver azides the heating of a sample at the end of the pre-explosive stage does not exceed ~ 300 K; while at the second stage the temperature of the explosion products reaches ~ 3000 K. As it follows from the data obtained the major portion (~ 90%) of the energy released during the explosion in AgN 3 is associated with the processes occurring in the explosion products.

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