发烟弹装药贮存环境应力分析与老化动力学
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摘要
采用加速老化法开展了发烟弹弹体密封性和装药的老化试验,以气密性检查作为弹体密封性评判标准,以磷含量作为装药的老化指标;研究结果表明:发烟弹的战斗部装药是受温度单环境应力影响,外界的潮湿空气对战斗部装药无影响;随着老化时间的延长和老化温度的升高,发烟弹装药磷含量呈降低的趋势,获得在热加速老化条件下发烟弹装药以磷含量为老化性能评定参数的老化动力学方程式为y(T,t)=0. 798 8×e~([-24. 363 8×e~((-4741. 3/T))×t])。
The aging test of seal and charge of smoke bomb body was carried out by accelerated aging method. Air tightness inspection was used as the seal evaluation standard. The phosphorus content was used as the aging index of the charge. The results show that the cigarette charge is affected by the temperature single environmental stress,and the external humid air has no effect on the warhead charge.As the aging time increases and the aging temperature increases,the phosphorus content decreases. The aging kinetic equation of the smoked charge under the condition of thermal accelerated aging with the phosphorus content as the aging performance evaluation parameter is y( T,t) = 0. 798 8 ×e~([-24. 363 8 ×e~((-4741. 3/T))×t]).
The aging test of seal and charge of smoke bomb body was carried out by accelerated aging method. Air tightness inspection was used as the seal evaluation standard. The phosphorus content was used as the aging index of the charge. The results show that the cigarette charge is affected by the temperature single environmental stress,and the external humid air has no effect on the warhead charge.As the aging time increases and the aging temperature increases,the phosphorus content decreases. The aging kinetic equation of the smoked charge under the condition of thermal accelerated aging with the phosphorus content as the aging performance evaluation parameter is y( T,t) = 0. 798 8 ×e~([-24. 363 8 ×e~((-4741. 3/T))×t]).
引文
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[4]WATT D,DESCHAMBAULT E,PEUGEOT F,et al.Overview of MSIAC workshop examining the effect of aging upon insensitive munitions across the life cycle and the status of subsequent IM aging efforts[C]//37th International Annual Conference of ICT.Karlsruhe,Germany,2006.
[5]CHAN S J,SO Y S.Investigating the relationship between ammunition stockpile information and subsequent performance[J].Reliability Engineering&System Safety,2010,95(4):426-430.
[6]张兴高.HTPB推进剂贮存老化特性与寿命评估[D].长沙:国防科技大学,2009.
[7]潘文庚,陈瑞,王晓鸣,等.库存航空弹药装药失效研究[J].探测与控制学报,2007,29(6):45-48.
[8]韩建立,陆巍巍,滕克难.一种基于贮存可靠性数据的导弹寿命预测方法[J].兵工自动化,2017(11):4-7.
[9]刘恒春,姜时平,郑建国.弹药包装可靠性[J].包装工程,1995,16(2):33-36.
[10]宣卫芳,王一临,胥泽奇.弹药塑料包装材料自然环境老化现象研究[J].装备环境工程,2006,3(5):26-30.
[11]WILLIAM B S,DELETHA E B.The accelerated aging of the pyrotechnic materials THPP and ZPP[R].AIAA2008-4720,2008.
[12]RONALD A.GUIDOTTI.Development history of Fe/KCl O4heat powders at sandia and related aging issues for thermal batteries[R].DE2001-783995,2001.
[13]GJB736.8-90,火工品试验方法71℃试验法[S].北京:国防科学技术工业委员会,1991.
[14]QJ2328-92,复合固体推进剂高温加速老化试验方法[S].北京:中华人民共和国航空航天工业部,1992.