为了揭示2,4-二硝基茴香醚(DNAN)基高能钝感熔铸炸药的爆轰传播特性,加快DNAN基熔铸炸药的工程化应用,采用连续导线法测量了DNAN基含铝熔铸炸药的临界直径.结果表明:Al含量(质量百分比0～30％)增大、Al粒度d50(分别为6μm、12 μm、31 μm)减小均会降低爆轰传播的临界直径;黑索今(RDX)的粒度d50(分别为19 μm、147Iμm、751 μm)增大、RDX品质提高会增大爆轰传播的临界直径.研究结果为DNAN基含铝熔铸炸药的配方和战斗部结构设计提供基础的技术参数.%In order to reveal the detonation propagation characteristics of DNAN (2,4-dinitroanisole)-based melt-cast explosives,and speed up the application of the explosives,the critical diameter of DNAN-based aluminized melt-cast explosives is measured by continuous wire method.The measured results demonstrate that the critical diameter of DNAN-based aluminized melt-cast explosives decreases with the increase in wt％ of aluminum (0 ～30wt％) and the decrease in particle sizes of both aluminum (d50:6 μm,12 μm,31 μm) and RDX (d50:19 μm,147 μm,751 μm),and increases with the decrease in crystal quality of RDX.The investigation can provide a basic reference for both the formulation of DNANbased aluminized melt-cast explosives and the warhead design.
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