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超细A_5传爆药的制备及表征 被引量:6

Preparation and Characterization of Ultra-fine A_5 Booster
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摘要 为克服普通A5传爆药能量低、感度高、不能满足现代战争对武器弹药高能高安全性要求的缺点,开发了以超细黑索今(RDX)为主体炸药、硬脂酸为包覆剂的超细A5传爆药。采用水悬浮分散包覆工艺制备出超细A5传爆药造型粉。傅立叶变换红外光谱(FT-IR)和扫描电镜(SEM)表明,硬脂酸包覆在超细RDX的表面。撞击感度实验结果表明,超细A5的2.5 kg落锤特性落高(H50)比普通A5提高了3.97 cm;而冲击波感度实验结果表明,超细A5的50%爆炸的隔板值(XR)比普通A5降低了3.43 mm;能量输出表明:超细A5的钢凹值比普通A5深0.241 mm。 In order to overcome the defects of conventional A5 booster, such as low energy density,high sensitivity and difficulty in meeting the safety of weapons and ammunitions requiring high energy density and low sensitivity in modern war,ultra-fine A5 booster was developed by coating ultra-fine RDX with stearic acid. The mould powder of ultra-fine A5 booster was acquired by aqueous suspension technology. The FT-IR spectra and stereo scan photograph of ultra-fine A5 booster show: stearic acid is covered on the surface of ultra-fine RDX. The experiment of impact sensitivity indicates: its critical height (H50) is 3.97 cm,which is higher than that of conventional A5 using 2.5 kg drop hammer; while the experiment of shock wave sensitivity also shows: its critical gap thickness (Xa) is 3.43 mm, thinner than that of conventional A5 , the experiment of energy output shows: its steel engraving is 0. 241 mm deeper than that of conventional A5.
出处 《含能材料》 EI CAS CSCD 2008年第5期515-518,共4页 Chinese Journal of Energetic Materials
关键词 应用化学 超细RDX 包覆 水悬浮 撞击感度 冲击波感度 applied chemistry ultra-fine RDX coating aqueous suspension impact sensitivity shock wave sensitivity
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