Thermo-decomposition Characteristics of K2CO3 Used as Composite Decoy Additive
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摘要:为了分析K2CO3作为红外/雷达复合诱饵添加剂的可行性，利用TG-DSC技术考察了K2CO3的热分解特性，并采用化学平衡计算软件(CEA)计算了K2CO3在2 200~2 600K下的自由电子密度和热解焓。结果表明：K2CO3在293~1 473K的热分解焓为-595.7kJ/mol；在2 200～2 600K温度下的热解焓为1 147.0～1 179.6kJ/mol，分解产物以气态K为主，自由电子密度达1020～1021数量级。该结果有助于进一步研究红外/雷达复合诱饵的合理配方及其热电离特性。
Abstract:To investigate the feasibility of K2CO3 to be used as additive of infrared/radar composite decoy, thermo-decomposition characteristics of K2CO3 at 293~1 473K were measured by TG-DSC, and free electron density and enthalpy of K2CO3 at 2 200~2 600K were calculated by CEA（Chemical Equilibrium with Application）. The results show that decomposition enthalpy of K2CO3 at 293~1 473K is -595.7kJ/mol. And the thermo-decomposition products of K2CO3 at 2 200~2 600K is mainly composed of K gas, while the degree of free electron densities are 1020~1021, and heat needed is 1 147.0~1 179.6 kJ/mol. The results help to a furth study on optimal formula and thermo-ionization characteristics of IR/Radar composite decoy.
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