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首页> 美国卫生研究院文献>Materials >The Safety Properties of a Potential Kind of Novel Green Primary Explosive: Al/Fe2O3/RDX Nanocomposite
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The Safety Properties of a Potential Kind of Novel Green Primary Explosive: Al/Fe2O3/RDX Nanocomposite

机译：一种潜在的新型绿色主炸药Al / Fe2O3 / RDX纳米复合材料的安全性

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摘要

Green primary explosives have gained wide attention for environmental protection. A potential novel lead-free primary explosive, Al/Fe2O3/RDX hybrid nanocomposite was prepared by ultrasonic mixing, and its safety properties are discussed in detail. Results showed that their sensitivity and safety properties were a function of the specific surface area and proportions of their ingredients. Their impact sensitivity fell and their static discharge, flame, and hot bridge wire sensitivities rose as the specific surface area of nano-Fe2O3 increased. As the amount of Al/Fe2O3 nanothermite was increased, its impact sensitivity fell and its flame sensitivity rose; their static discharge and hot bridge wire sensitivities, however, followed an inverted “U” type change trend and were determined by both the particle size of the ingredients and the resistance of the nanocomposite. Their firing properties in an electric detonator depended on the proportion of the constituents. Thus, green nanoscale primary explosives are appropriate for a range of initiatory applications and can be created by adjusting their specific surface area and the amount of their constituents.
机译：绿色初级炸药已受到环境保护的广泛关注。通过超声混合制备了潜在的新型无铅一次炸药Al / Fe2O3 / RDX杂化纳米复合材料，并对其安全性能进行了详细的讨论。结果表明，它们的敏感性和安全性是比表面积和其成分比例的函数。随着纳米Fe2O3比表面积的增加，它们的冲击敏感度下降，静电放电，火焰和热桥丝敏感度上升。随着Al / Fe2O3纳米热矿的增加，其冲击敏感性下降，火焰敏感性上升。然而，它们的静电放电和热桥丝灵敏度却呈倒“ U”型变化趋势，并且取决于成分的粒径和纳米复合材料的电阻。它们在电雷管中的燃烧性能取决于成分的比例。因此，绿色纳米级初级炸药适用于一系列引发应用，并且可以通过调节其比表面积和其组成量来制造。

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