[1]胡敏恩①,李芳②,宋立骞①,等.典型湿度条件下某双基发射药的安全储存寿命预估[J].爆破器材,2021,50(03):55-59,64.[doi:10.3969/j.issn.1001-8352.2021.03.011]
　HU Minen,LI Fang,SONG Liqian,et al.Safety Storage Life Estimation of a Double Base Propellant under Typical Humidity[J].EXPLOSIVE MATERIALS,2021,50(03):55-59,64.[doi:10.3969/j.issn.1001-8352.2021.03.011]
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典型湿度条件下某双基发射药的安全储存寿命预估()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
50
期数:
2021年03
页码:
55-59,64
栏目:
安全与测试
出版日期:
2021-05-25

文章信息/Info

Title:
Safety Storage Life Estimation of a Double Base Propellant under Typical Humidity
文章编号:
5536
作者:
胡敏恩①; 李芳②; 宋立骞①; 刘大斌①; 潘峰①②; 钱华①③
①南京理工大学化工学院（江苏南京，210094）
②国家民用爆破器材质量监督检验中心（江苏南京，210094）
③特种能源材料教育部重点实验室（江苏南京，210094）
Author(s):
HU Min’en①;  LI Fang②;  SONG Liqian①;  LIU Dabin①;  PAN Feng①②; QIAN Hua①③
① School of Chemical Engineering, Nanjing University of Science and Technology (Jiangsu Nanjing, 210094)
② China National Quality Supervision Testing Center for Industrial Explosive Materials (Jiangsu Nanjing, 210094)
③ Key Laboratory of Special Energy Materials, Ministry of Education (Jiangsu Nanjing, 210094)
关键词:
发射药; 加速老化试验; 安全储存寿命; Berthelot方程
Keywords:
gun propellant;  accelerated aging test;  safe storage life;  Berthelot equation
分类号:
TQ562
DOI:
10.3969/j.issn.1001-8352.2021.03.011
文献标志码:
A
摘要:
弹药装配过程中需要控制湿度以避免静电危害。为了确保火炸药安全储存寿命预估的准确性，加速老化试验中应加入湿度条件。以某双基发射药为研究对象，以装药工房湿度上限（相对湿度75%）作为其老化湿度条件，考察湿度封装及裸药干燥条件下样品的失效模式及预估寿命。结果表明：两种试验条件下，样品的机械感度、热分解温度均无显著变化；初始燃速随老化时间的增加而增大，但达到的最大压力不变；安定剂含量随老化时间的增加而明显下降。以安定剂质量分数消耗50%为失效判据，该双基发射药30 ℃、75%湿度封装与裸药干燥条件下的安全储存寿命分别为9.7 a和11.4 a，表明壳体内的微湿度环境对药剂的安全储存寿命具有显著影响。
Abstract:
During the assembly process of ammunition, humidity should be controlled to avoid electrostatic hazards. In order to ensure the accuracy of safe storage life estimation of explosives, humidity conditions should be added in the accelerated aging test. Taking a double base gun propellants as the research object, and using the upper limit of the humidity (relative humidity 75%) in the charging workshop as the aging humidity condition, failure mode and estimated storage life of the samples were investigated under humidity packaging and drying conditions. The results show that, under the two test conditions, mechanical sensitivity and thermal decomposition temperature of the samples have no significant changes. Initial burning rate increases with the aging time, but the maximum pressure reached does not change. Content of stabilizer decreases significantly with the increase of aging time. Taking 50% consumption of the stabilizer as the failure criterion, the safe storage life of the double base gun propellant is 9.7 a and 11.4 a respectively under the packaging conditions of 30 °C, 75% humidity and drying. It shows that the microhumidity environment in the shell has a significant effect on the safe storage life of the propellants.

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备注/Memo

备注/Memo:
收稿日期：2020-10-09
第一作者：胡敏恩（1995-），男，硕士研究生，主要从事火炸药老化性能研究。E-mail：huminen@njust.edu.cn
通信作者：钱华（1981-），男，研究员，主要从事火炸药配方及工艺研究。E-mail：qianhua@njust.edu.cn
更新日期/Last Update: 2021-05-25