SY装药柔爆索的爆轰特性研究

Study on Detonation Characteristic of SY Mild Detonating Cord

采用三乙烯二胺/乙二胺高氯酸盐共晶炸药（简称SY）为药芯,铅皮为外层,拉制了一种金属柔性导爆索。对不同直径柔爆索的爆速、殉爆安全距离及T型传爆特性进行了测试。结果表明：直径小于2mm的SY铅柔爆索爆速在5 300-5 700m/s之间;轴向殉爆安全距离为7-17mm,平行殉爆安全距离为170-370mm;相比其它导爆索,SY铅柔爆索的T型传爆性能良好。

A kind of mild detonating cord,which use a cocrystallized explosive SY as core charge and lead as outer constraint, was wire-drew. The detonation velocity, safety distance for sympathetic detonation and explosion characteristic of T-shape detonation of detonating cords, which diameter is from 1.0mm to 2.0mm, were tested. The test results showed that as the diameter of detonation cord is shorter than 2mm, the detonation velocity is between 5 300m/s to 5 700m/s, the safety distance for axial sympathetic detonation is from 7mm to 17 mm, while the safety distance for parallel sympathetic detonation is from 170 mm to 370 mm. Compared to the other detonating cord, the tested mild detonating cord filled SY has better detonating property in T-shape detonation.