高低温环境对不同炸药结构影响研究

为了考察高低温环境对炸药结构的影响,采用一种以RDX为主要基体的压装炸药和一种以DNAN为主要载体的熔铸炸药,对两种炸药结构分别进行高低温冲击试验。对试验后的样品采用CT扫描进行检验,并结合计算软件对高低温过程中的形变进行了模拟计算。结果表明,RDX为主体的压装炸药在高低温冲击过程中容易产生微裂纹,且裂纹容易出现在药柱最大外端面处,DNAN基熔铸炸药则较适合在温度变化条件下使用。

Effect of Environment Temperature on Different Explosive Structures

In order to investigate the effect of the environmental temperature on the explosive structure, two typical kinds RDX-based pressed and DNAN-based casting explosives are selected as raw materials. Then temperature shock tests are conducted on these two samples. After experiment the specimen are checked out by industrial CT technology and the deformation distribution is simulated by computing software in consideration of practice The results show that RDX-based pressed explosives are likely to generate micro cracks undergoing the temperature test process and the cracks probably concentrate at the largest outer bottom. While, the DNAN-based casting explosives are more insensitive to the intense temperature variations and show good applications in more reviews.