Research Progress of Magnesium/Polytetrafluoroethylene Ignition Powder
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摘要:镁/聚四氟乙烯（Mg/PTFE）是一种高能点火药，因其能量密度大、燃烧温度高、点火能力强，在含能材料领域具有广阔的应用前景。综述了Mg/PTFE的研究进展，基于Mg/PTFE在点火、燃烧及红外辐射领域的应用，介绍了原料配比、粒径、装药密度、制备工艺、气氛环境等因素对药剂性能的影响，并讨论了药剂的燃烧机理。以药剂的性能提升为导向，详述了在基础配方Mg/PTFE中使用铝镁合金、添加无机非金属等材料对其性能的影响，并指出Mg/PTFE后续研究应该以新型配方探索、制备工艺优化以及燃烧机理的深入研究为主，以期为该药剂进一步发展提供参考。
Abstract:Magnesium/polytetrafluoroethylene (Mg/PTFE) is a high energy ignition powder with broad application pros- pects in the field of energetic materials due to its high energy density, high combustion temperature, and strong ignition ability. The research progress of Mg/PTFE was reviewed. Based on the application of Mg/PTFE in ignition, combustion and infrared radiation fields, the effects of raw material ratio, particle size, charge density, preparation process, atmosphere environment and other factors on the properties of the ignition powder were introduced. The combustion mechanism of the agent was also discussed. Guided by the improvement of the properties of the agent, the effects of its properties by using aluminum magnesium alloy and adding inorganic non-metallic materials in the basic formula of Mg/PTFE were detailed, and the subsequent research of Mg/PTFE was pointed out, which should mainly focus on exploring new formulas, optimizing preparation processes, and conducting in-depth research on combustion mechanisms, in order to provide reference for the further development of this ignition powder.
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