利用电磁法研究HMX与TATB混合钝感炸药的冲击起爆特性

杨舒棋; 张旭; 彭文杨; 舒俊翔; 覃双; 钟斌

doi:10.11858/gywlxb.20190852

利用电磁法研究HMX与TATB混合钝感炸药的冲击起爆特性

doi: 10.11858/gywlxb.20190852

中国工程物理研究院流体物理研究所，四川绵阳　621999

基金项目: 军科委基础加强重点项目（2019-JCJQ-ZD-203）；科学挑战专题（TZ2018001）

详细信息

作者简介:
杨舒棋（1993–），女，硕士研究生，主要从事冲击起爆研究. E-mail：yangshuqi77@126.com

通讯作者:
张旭（1972–），男，研究员，博士生导师，主要从事流体动力学研究. E-mail：caepzx@sohu.com

中图分类号: O384
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出版历程
- 收稿日期: 2019-11-01
- 修回日期: 2019-11-12

Impact Initiation Characteristics of TATB Based Insensitive Explosives Mixed with HMX by Electromagnetic Velocity Gauges

Institute of Fluid Physics, CAEP, Mianyang 621999, Sichuan, China

摘要

摘要: 为研究含有少量奥克托金（HMX）且以三氨基三硝基苯（TATB）为基的高能钝感炸药PBX-3的冲击起爆反应增长规律，采用火炮驱动蓝宝石飞片的方法和铝基组合式电磁粒子速度计技术进行了一维平面冲击实验。通过实验测量撞击表面及内部不同深度处的冲击波后粒子速度，得到PBX-3炸药的Hugoniot关系。根据冲击波示踪器所测数据绘制了炸药到爆轰的时间-距离（x-t）图，获得了反映炸药冲击起爆性能的Pop关系。将入射压力为12.964 GPa时达到爆轰的6条速度曲线修整成相同零点，通过读取6条曲线的分离点即反应区末端的C-J点，计算出化学反应区时间和宽度。
- 奥克托金（HMX） /
- 组合式电磁粒子速度计 /
- Hugoniot关系 /
- Pop关系 /
- 化学反应区
Abstract: In order to study the growth law of the impact initiation reaction of high energy insensitive PBX-3explosive based on tri-amino-tri-nitro-benzene (TATB), containing a small amount of Oktokin (HMX), a one-dimensional plane impact test was carried out by the artillery-driven sapphire flyer method and the aluminum-based embedded multiple electromagnetic particle velocity gauge technique. The Hugoniot relationship of the unreacted PBX-3 explosive was obtained by measuring the velocity of the explosive on the surface and different depths inside. The x-t of the explosive to the detonation time versus distance was established by the data measured by the shock wave tracer, and the Pop-plot reflecting the explosive initiation performance of the explosive was obtained. Six speed-to-detonation speed curves with an incident pressure of 12.964 GPa were trimmed to the same zero point. The time and width of the chemical reaction zone were obtained by reading the separation point of the six curves (the C-J point at the end of the reaction zone).
- Oktokin (HMX) /
- multiple electromagnetic particle velocity gauge /
- Hugoniot relationship /
- Pop-plot /
- reaction zone

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图 1 组合式电磁粒子速度计实验测试系统

Figure 1. Measurement system of aluminum-based multiple electromagnetic particle velocity gauge

1. Sabot; 2. Velocity-measuring ring; 3. Aluminum-based multiple electromagnetic particle velocity gauge; 4. Target buffer; 5. PBX-3 explosive sample; 6. Sapphire.

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图 2 铝基组合式电磁粒子速度计的安装

Figure 2. Installation of aluminum-based multiple electromagnetic particle velocity gauge

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图 4 两条拟合直线交点细节

Figure 4. Details of two fitted straight lines’ intersection

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图 5 未反应 PBX-3炸药的Hugoniot关系

Figure 5. Hugoniot relationship of uncreated PBX-3 explosive

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图 6 PBX-3炸药的Pop关系

Figure 6. Pop-plot of PBX-3 explosive

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图 7 PBX-3和TATB-1的Pop关系

Figure 7. Pop-plots of PBX-3 and TATB-1 explosive

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图 8 爆轰反应区结构

Figure 8. Structure of the detonation reaction zone

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图 9 6个速度曲线修正

Figure 9. Correction of 6 speed curves

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表 1 PBX-3炸药平面冲击实验参数

Table 1. Parameters of plane impact experiments on PBX-3 explosive

Shot No.	m/g	ρ₀/(g·cm^–3)	D_S/(km·s^–1)	u_p/(km·s^–1)	p₀/GPa
01	500	1.900	3.966	0.724	5.456
02	600	1.900	4.283	0.830	6.754
03	700	1.900	4.516	1.019	8.743
04	800	1.900	4.492	1.096	9.354
05	900	1.900	4.808	1.132	10.341
06	1 100	1.900	5.281	1.292	12.964

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表 2 PBX-3炸药的 D_S-u_p实验数据

Table 2. Experimental results of D_S-u_p for PBX-3 explosive

Depth/mm	Shot 01		Shot 02		Shot 03
Depth/mm	u_p/(km·s^–1)	D_S/(km·s^–1)	u_p/(km·s^–1)	D_S/(km·s^–1)	u_p/(km·s^–1)	D_S/(km·s^–1)
0	0.724	4.189	0.830	4.224	1.019	3.489
1					1.104	3.489
2					1.049	4.259
3	0.776	4.189	0.894	4.224	1.033	4.686
4	0.737	3.956	0.911	4.521	1.118	4.726
5	0.732	3.796	0.938	4.229	1.282	4.546
6	0.766	3.864	1.034	4.318	1.474	4.799
7	0.833	3.950	1.187	4.579	1.682	5.252
8	0.873	4.007	1.279	4.604	1.957	5.165
9	0.937	4.190	1.450	5.470
10	0.983	4.280	1.598	4.960

Depth/mm	Shot 04		Shot 05		Shot 06
Depth/mm	u_p/(km·s^–1)	D_S/(km·s^–1)	u_p/(km·s^–1)	D_S /(km·s^–1)	u_p/(km·s^–1)	D_S/(km·s^–1)
0	1.096	4.164	1.131	4.955	1.292	5.152
1	1.113	4.164
2	1.122	4.119
3	1.137	4.680	1.347	4.955	1.634	5.152
4	1.232	4.682	1.545	4.699	1.998	5.774
5	1.407	4.664	1.654	4.947	2.230	6.187
6	1.637	4.990	1.867	5.144	2.066	7.353
7	1.962	5.213	2.104	5.656	2.282	7.082
8	2.510	5.868	2.137	7.083	2.120	7.043
9					2.308	6.746
10			2.318	6.699	2.283	7.374

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表 3 PBX-3炸药Pop关系相关参数

Table 3. Related parameters of PBX-3 explosive’s Pop-plot

Shot No.	ρ₀/(g·cm^–3)	p₀/GPa	x_D/mm	t_D/μs
01	1.900	5.456
02	1.900	6.754	9.439	2.224
03	1.900	8.743	7.329	1.674
04	1.900	9.354	6.257	1.421
05	1.900	10.341	6.234	1.292
06	1.900	12.964	4.143	0.785

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表 4 PBX-3炸药化学反应区实验参数

Table 4. Parameters of chemical reaction zone of PBX-3 explosive

Depth/mm	u_p/(km·s^–1)	t/μs	x/mm	Depth/mm	u_p/(km·s^–1)	t/μs	x/mm
5	1.539	0.226	1.429	8	1.425	0.226	1.454
6	1.540	0.226	1.428	9	1.370	0.226	1.467
7	1.436	0.226	1.452	10	1.386	0.226	1.463

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表 5 TATB基炸药反应区相关参数

Table 5. Related parameters of reaction zone of TATB-based explosive

Shot No.	x/mm	t/μs	Source
PBX-3	1.449 ± 0.200	0.226 ± 0.030	This work
PBX9502	2.1	0.28	Ref.[8]
JB-9014	1.5 ± 0.2	0.26 ± 0.02	Ref.[9]
JB-9014	1.75	0.31	Ref.[10]

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