Effect of Nitrate Ester on the Driving Ability of RDX-based Aluminized ExplosiveChinese Full Text
YUAN Jian-fei;YU Hong-jian;WANG Hui;QU Bei;FU Xiao-long;Xi′an Modern Chemistry Research Institute;
Abstract: To study the effect of nitrate ester on the driving ability of the RDX-based aluminized explosives,the change process of the cylinder wall expanding velocity and Gurney energy of RDX-based aluminized explosives with nitrate ester was studied by a cylinder test.Compared with the RDX-based aluminized explosives without nitrate ester,the effects of nitrate ester on the energy releasing characteristics of explosive and the driving ability to metal were analyzed.The results show that the nitrate ester can improve the ratio of Al/O of the RDX-based aluminized explosives and change its reaction rate.At the initial stage of the reaction,the cylinder wall expanding velocity of RDX-based aluminized explosives with nitrate ester is lower than that of the RDX-based aluminized explosives without nitrate ester;however,in the middle and later of explosion reaction,the cylinder wall expanding velocity and Gurney energy of RDX-based aluminized explosives with nitrate ester are higher than those of the RDX-based aluminized explosives without nitrate ester.The energy releasing characteristics of RDX-based aluminized explosives with nitrate ester makes it suitable for fragment warhead and can improve its driving ability to metal.
Keywords：
explosion mechanics; aluminized explosive; nitrate ester; cylinder test; energy releasing characteristics; driving ability to metal;
- DOI：
10.14077/j.issn.1007-7812.2015.02.014
- Series：
- Subject：
- Classification Code：
TQ560.1
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