Mechanical Behavior of TNAZ/Hytemp Explosives During High Acceleration

The mechanical behavior of melt‐cast TNAZ/CAB (1,3,3‐trinitroazetidine/cellulose acetate butyrate) explosives subjected to high acceleration has been studied in an ultracentrifuge at −10°C and 25°C. Melt‐cast TNAZ/CAB was studied as a function of the percentage of the composition of CAB at −10°C and 25°C. The percentage of CAB in the samples varied from 0.5% to 3%. Failure occurs when the shear or tensile strength of the explosive is exceeded. The fracture acceleration of melt‐cast TNAZ/CAB increases with the percentage of CAB in the explosive at both temperatures studied, −10°C and 25°C. While there is some variation among samples, it is found that the fracture acceleration of melt‐cast 99%/1% TNAZ/CAB and melt‐cast 99.5%/0.5% TNAZ/CAB at −10°C is less than that at 25°C.