Experimental Studies on Shock Properties of H2O-C6H6-C35H64O11 (OP-10)

A series of dynamic loading experiments have been successfully conducted for liquid H2O-C6H6-C35H64O11 (OP-10) mixture of which the voluminal proportion is 10∶10∶1 on a two-stage light gas gun, and 10 Hugoniot data in pressure range from 3.75~57.87 GPa are obtained. The linear regression for these experimental data indicates that D-u relation of the mixture can be approximately expressed as D=1.407+1.503up, and the standard deviation is 0.102. The shock compressibility of the liquid system are basically consistent with the estimates from volume adding theory. The knees occurring at 6 GPa, 10 GPa and 30 GPa, possibly suggest the successive structural phase transitions. Furthermore, the effect on repulsive part of the interaction potential, e.g. Exp-6 type potential, is analyzed by modifying three coefficients in the Lawrence-Berthlot's mixing rule.