Pb3O4/Mg/PTFE红外诱饵剂远红外辐射性能  

Far infrared radiation performance of Pb3O4/Mg/PTFE infrared decoy

作　　者：王冰 陈宗胜 汪家春 时家明 陈旺 Wang Bing;Chen Zongsheng;Wang Jiachun;Shi Jiaming;Chen Wang(State Key Laboratory of Pulsed Power Laser Technology,National University of Defense Technology,Hefei 230037,China)

机构地区：[1]国防科技大学脉冲功率激光技术国家重点实验室

出　　处：《红外与激光工程》2019年第10期24-29,共6页Infrared and Laser Engineering

基　　金：“十三五”预研项目(HJJ2017-0671)

摘　　要：为研究氧化剂和还原剂的配比对四氧化三铅/镁粉/聚四氟乙烯(Pb3O4/Mg/PTFE)混合诱饵剂效能的影响,保持氧化剂的配方不变,改变氧化剂和还原剂的比例,设计了5种不同的药剂配方。使用压片机将混合均匀的药剂粉末压制成药柱。用7.5~14μm远红外热像仪测量药柱燃烧过程,计算出每个样品的燃烧时间、质量燃速、辐射面积、辐射亮度、辐射强度。结果表明:随着还原剂的比例升高,样品质量燃速先变大后变小,当氧化剂与还原剂比例为1:1时,质量燃速最大,为5.03 g/s;样品燃烧的温度随着还原剂的比例升高先变高后降低,当氧化剂:还原剂=1:2时,样品燃烧的最高温度达到最小,为754.29℃;辐射亮度和强度随着还原剂的比例升高先变大后变小,且当氧化剂:还原剂=1:1时,辐射亮度最大,为1 869.21 W·m-2·sr-1,辐射强度也达到最大,为97.61 W·sr-1,可见在7.5~14μm波段,当氧化剂:还原剂=1:1时,样品的远红外辐射特性最好。In order to study the effect of the ratio of oxidant to reducing agent on the performance of trilead tetraoxide/Mg/teflon mixed powder(Pb3O4/Mg/PTFE), keeping the formula of oxidant and changing the ratio of oxidant to reducing agent, 5 different formulations were designed. The uniformly mixed powder was compressed into a cylinder with a tablet press. The 7.5-14 μm thermal imager was used to observe the combustion process of the tablet, and the burning time, mass burning rate, radiation area,radiation, and radiation intensity of each sample were obtained. The results show that with the increase of the proportion of reducing agent, the mass burning rate first increases and then decreases. When the ratio of oxidant to reducing agent is 1:1, the maximum mass burning rate is 5.03 g/s. The temperature of the flame increases with the proportion of reducing agent first and then decreases. When the ratio of oxidant to reducing agent is 1:2, the maximum temperature of the flame reaches a minimum of 754.29 ℃. With the increase of proportion of the reducing agent, the radiance grows first and then drops. When the ratio of oxidant and reducing agent is 1:1, the radiance reaches the maximum of 1 869.21 W·m-2·sr-1. The radiation intensity reaches the maximum of 97.61 W·sr-1. Visible in the 7.5-14 μm band, when the ratio of oxidant and reducing agent is 1:1, the radiation characteristics of the sample is best.

关 键 词：红外诱饵剂 导温系数 辐射强度 

分 类 号：TJ765.333[兵器科学与技术—武器系统与运用工程]