Method for calculating small difference of fracture time of cylinder shell unloaded by detonation

Jin Shan; Liu Xin; Yuan Shuai; Hua Jin-song; Tang Tie-gang

doi:10.11883/1001-1455(2015)01-0130-05

Volume 35 Issue 1

Feb. 2015

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Jin Shan, Liu Xin, Yuan Shuai, Hua Jin-song, Tang Tie-gang. Method for calculating small difference of fracture time of cylinder shell unloaded by detonation[J]. Explosion And Shock Waves, 2015, 35(1): 130-134. doi: 10.11883/1001-1455(2015)01-0130-05

Citation:

Jin Shan, Liu Xin, Yuan Shuai, Hua Jin-song, Tang Tie-gang. Method for calculating small difference of fracture time of cylinder shell unloaded by detonation[J]. Explosion And Shock Waves, 2015, 35(1): 130-134. doi: 10.11883/1001-1455(2015)01-0130-05

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Method for calculating small difference of fracture time of cylinder shell unloaded by detonation

doi: 10.11883/1001-1455(2015)01-0130-05

Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China

Received Date: 2013-05-21
Rev Recd Date: 2013-11-25
Publish Date: 2015-01-25

Abstract

Abstract

One method is offered for calculating small difference of fracture time of cylinder shell in contrast experiments. The fracture strain of cylinder shell was measured by high-speed photography, and simultaneously the velocity-time curve and displacement-time curve were measured by Velocity Interferometer System. The difference of fracture time is calculated by two kinds of measurement results. The difference of fracture time of 45 steel cylinder shell unloaded by JO-9159 and JOB-9003 explosive is 0.45 μs, and the difference of fracture time of W alloy is 0.39 μs. The method can be used to measure more accurately the fracture time of cylinder shell unloaded by detonation.
- mechanics of explosion,
- fracture time,
- high-speed photography,
- detonation loading,
- velocity interferometer system

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References(5)

References

[1]	张崇玉, 谷岩, 李庆忠, 等.爆轰波对碰驱动下加环紫铜圆管对碰区变形特性研究[J].爆炸与冲击, 2007, 27(2): 97-102. doi: 10.11883/1001-1455(2007)02-0097-06 Zhang Chong-yu, Gu Yan, Li Qing-zhong, et al. Study on deformation characteristics of collision region of copper tube with guard ring driven by two head-on colliding detonation waves[J]. Explosion and Shock Waves, 2007, 27(2): 97-102. doi: 10.11883/1001-1455(2007)02-0097-06
[2]	金山, 汤铁钢, 孙学林, 等.不同热处理条件下45钢柱壳的动态性能[J].爆炸与冲击, 2006, 26(5): 423-428. doi: 10.11883/1001-1455(2006)05-0423-06 Jin Shan, Tang Tie-gang, Sun Xue-lin, et al. Dynamic characteristics of 45 steel cylinder shell by different heat treatment conditions[J]. Explosion and Shock Waves, 2006, 26(5): 423-428. doi: 10.11883/1001-1455(2006)05-0423-06
[3]	华劲松, 经福谦, 谭华.动载荷下材料的屈服强度变化[J].固体力学学报, 2001, 22(4): 421-426. Hua Jin-song, Jing Fu-qian, Tan Hua. The variation of yield strength under dynamic loading[J]. Acta Mechanica Solida Sinica, 2001, 22(4): 421-426.
[4]	金山, 陈永涛, 汤铁钢, 等.多点激光干涉测速系统和电探针技术在飞片速度测量中的应用对比[J].高压物理学报, 2012, 26(5): 571-576. Jin Shan, Chen Yong-tao, Tang Tie-gang, et al. Comparison of multi-channel VISAR and electric probe technology in measuring free-surface velocity of metal flyer[J]. Chinese Journal of High Pressure Physics, 2012, 26(5): 571-576.
[5]	汤铁钢, 李庆忠, 孙学林, 等. 45钢柱壳膨胀断裂的应变率效应[J].爆炸与冲击, 2006, 26(2): 129-133. doi: 10.11883/1001-1455(2006)02-0129-05 Tang Tie-gang, Li Qing-zhong, Sun Xue-lin, et al. Strain-rate effects of expanding fracture of 45 steel cylinder shells driven by detonation[J]. Explosion and Shock Waves, 2006, 26(2): 129-133. doi: 10.11883/1001-1455(2006)02-0129-05