新型Mg2Si基红外诱饵剂配方设计及性能研究
基金项目:
国家自然科学基金（No.51676100）；陕西应用物理化学国家重点实验室开放基金（WDYX22614260204）
Formulation Design and Performance Study of a New Mg2Si-based Infrared Decoy Agent
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摘要:为提高传统MTV红外诱饵剂在中远红外波段的辐射强度，以KNO3为氧化剂，以Mg和Mg2Si为可燃剂，以氟橡胶为粘结剂，通过调节Mg和Mg2Si的质量比，制备了6种不同配比的红外诱饵剂；并将其制备成薄膜型诱饵剂样品，在燃烧塔中进行燃烧试验，采用红外光谱辐射计、高速摄影仪和红外热像仪对其辐射强度、燃烧时间和最大燃烧温度进行了测试。结果表明：Mg2Si与Mg的质量比为4∶6时，红外诱饵剂的性能最优；此时，较只采用Mg作为单一可燃剂的配方，其在3～5 μm红外波段的辐射强度提高了457.41%，在8～14 μm红外波段辐射强度提高了630.02%；燃烧迅速且充分，并能在短时间内产生干扰波，同时形成火焰云；最大燃烧温度最高，可以形成极高的辐射出射度，能够满足红外诱饵技术指标要求。
Abstract:In order to improve the radiation intensity of traditional MTV infrared decoy agents in the mid- and far- infrared bands, six infrared decoy agents with different ratios were prepared by using KNO3 as the oxidizer, Mg and Mg2Si as combustibles, and fluororubber as a binder, and the ratio of Mg and Mg2Si were adjusted; The agents were then prepared into membranous decoy agent samples and subjected to combustion tests in a combustion tower. The radiation intensity, combustion time, and maximum combustion temperature were tested using an infrared spectrometer radiometer, high-speed camera, and an infrared thermal imager. The results show that the performance of the infrared decoy agent is optimal when the mass ratio of Mg2Si to Mg is 4∶6; At this time, compared with the formula using only Mg as the single combustible agent, the radiation intensity in the 3～5 μm infrared band increases by 457.41%, and the radiation intensity in the 8～14 μm infrared band increases by 630.02%; The combustion is rapid and complete, and can generate interference waves in a short time, while forming a flame cloud; The maximum combustion temperature is the highest, which can form extremely high radiation emissivity and meet the technical requirements of infrared decoy.
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