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首页> 外文期刊>Combustion Science and Technology >Luminescent Intensity and Thermal Studies against Magnesium Particle Size and Content for Magnesium-Strontium Nitrate-Phenolic Resin Pyrotechnic System
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Luminescent Intensity and Thermal Studies against Magnesium Particle Size and Content for Magnesium-Strontium Nitrate-Phenolic Resin Pyrotechnic System

机译：抗镁粒径和镁 - 硝酸锶 - 酚醛树脂烟火系统的发光强度和热研究

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摘要

A range of Mg/Sr(NO3)(2)/resin compositions were prepared, containing 35-60% by mass of magnesium and the particle size ranges from ;125 to 250-300 mu m. The light output was measured after consolidating the compositions into cardboard tubes. Thermogravimetric Analysis and Differential Thermal Analysis(TG/DTA) measurements were used to determine the thermal reaction process at an a!ir atmosphere. The results indicated that the compositions containing smaller magnesium particle size had a higher luminescent intensity, lower initial reaction temperature, and lower reaction peak temperature. In addition, the increase of magnesium content made the luminescent intensity increase first and then decrease, maximize at zeta(Mg) = 0.5 - 0.55 (zeta(Mg) represents the specific gravity of magnesium powder in the compositions) because of the oxygen balance (the description of oxygen balance is listed the first paragraph in 3.1).
机译：制备一系列Mg / Sr（NO 3）/树脂组合物，含有35-60质量％的镁，粒度范围为125至250-300μm。将组合物固结成纸板管后测量光输出。热重分析和差分热分析（TG / DTA）测量用于在A！IR气氛下确定热反应过程。结果表明，含有较小的镁粒度的组合物具有较高的发光强度，较低的初始反应温度和更低的反应峰值温度。此外，镁含量的增加使发光强度增加，然后降低，最大化在Zeta（Mg）= 0.5-0.55（Zeta（Mg）代表组合物中镁粉末的比重（氧气平衡的描述列出了3.1中的第一段。

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