Research on the Expansion and Fracture Characteristics of Drawing-molded Oxygen-free Copper Tubes under Detonation Loading

doi:10.3969/j.issn.1000-1093.2019.08.011

Abstract

Abstract: In order to explore whether the drawn-molded oxygen-free copper tube meets the ductility requirements of standard cylinder test, a standard copper tube for SymbolFA@25 mm cylinder test was made of coarse-grained soft oxygen-free copper without secondary forging by using the drawing process. The high-speed framing camera and scanning camera were used to observe the expansion and fracture processes of copper tube under detonation loading of TNT and JO-159 explosives, and compare the difference of fracture strain and the direction of crack propagation in the typical high strain rate range. The influence of strain energy of copper tube on the characterization parameters of driving performance of explosive was also analyzed. The results show that the cracks of copper tubes are mainly formed and expanded along the busbar and the fragments are mainly strip-like under the detonation loading of TNT explosive. However, under the detonation loading of JO-159 explosive, a more complicated staggered state arises in the fracture zone, and the copper tube expands to form dense small fragments. The main reason for this phenomenon is that the circumferential and axial strain rates of copper tubes under detonation loading of JO-159 explosive are 1.34 and 2 times of those under detonation loading of TNT. Under the detonation loading of these two kinds of explosives, the fracture diameter reaches 3 times of the initial diameter, and the Gurney speed, which characterizes the driving performance of explosives, is not changed significantly. Therefore, the copper tubes can meet the requirements of the general high-energy explosives for cylinder test. Key

Key words: oxygen-freecoppertube, drawn-molding, detonationloading, crack, strainrate

CLC Number:

O383⁺.3

SHEN Fei, WANG Hui, LI Biaobiao, ZHANG Gao. Research on the Expansion and Fracture Characteristics of Drawing-molded Oxygen-free Copper Tubes under Detonation Loading[J]. Acta Armamentarii, 2019, 40(8): 1634-1640.

References

［1］奥尔连科 Л П. 爆炸物理学[M]. 孙承纬, 译. 北京: 科学出版社, 2011.
ORLENKO Л П. Explosion physics[M]. SUN C W, translated . Beijing: Science Press, 2011. (in Chinese)
[2］石德珂. 材料科学基础[M]. 北京: 机械工业出版社, 2000.
SHI D K. Fundamentals of material science[M]. Beijing: China Machine Press, 2000. (in Chinese)
[3］胡海波, 汤铁钢, 胡八一, 等. 金属柱壳在爆炸加载断裂中的单旋现象[J]. 爆炸与冲击, 2004, 24(2): 97-107.
HU H B, TANG T G, HU B Y, et al. A study of uniform shear bands orientation selection tendency on explosively loaded cylindrical shells[J]. Explosion and Shock Waves, 2004, 24(2): 97-107. (in Chinese)
[4］任国武, 郭昭亮, 汤铁钢, 等. 高应变率加载下金属柱壳断裂的实验研究[J]. 兵工学报, 2016, 37(1): 77-82.
REN G W, GUO Z L, TANG T G, et al. Experimental research on fracture of metal case under loading at high strain rate[J]. Acta Armamentrii, 2016, 37(1): 77-82. (in Chinese)
[5］李忠盛, 吴护林, 陈韵如, 等. 内爆炸载荷作用下7A55铝合金的动态性能及断裂行为[J]. 爆炸与冲击, 2012, 32(2): 190-195.
LI Z S, WU H L, CHEN Y R, et al. Dynamic properties and fracture behaviors of 7A55 aluminum alloy under explosive loading[J]. Explosion and Shock Waves, 2012, 32(2): 190-195. (in Chinese)
[6］ SINGH M, SUNEJA H R, BALA M S, et al. Dynamic tensile deformation and fracture of metal cylinders at high strain rates[J]. International Journal of Impact Engineering, 2002, 27(2): 939-954.
[7］ GOTO D M, BECKER R, ORZECHOWSKI T J, et al. Investigation of the fracture and fragmentation of explosively driven rings and cylinders[J]. International Journal of Impact Engineering, 2008, 35(12): 1547-1556.
[8］郭昭亮, 范诚, 刘明涛, 等. 爆炸与电磁加载下无氧铜环、柱壳的断裂模式转变[J]. 爆炸与冲击, 2017, 37(6): 1072-1079.
GUO Z L, FAN C, LIU M T, et al. Fracture mode transition in expanding ring and cylindrical shell under electromagnetic and explosive loadings[J]. Explosion and Shock Waves, 2017, 37(6): 1072-1079. (in Chinese)
[9］ REN G W, GUO Z L, FAN C, et al. Dynamic shear fracture of an explosively-driven metal cylindrical shell[J]. International Journal of Impact Engineer, 2016, 35(1): 77-82.

[10］董海山, 周芬芬. 高能炸药及相关物性能[M]. 北京: 科学出版社, 1989.
DONG H S, ZHOU F F. Performance of high explosives and correlates [M]. Beijing: Science Press, 1989. (in Chinese)
[11］沈飞, 王辉, 罗一鸣. DNTF基同轴双元装药的爆轰波形及驱动性能[J]. 含能材料, 2018, 26(7): 614-619.
SHEN F, WANG H, LUO Y M. Detonation wave-shape and driving performance of coaxial binary charge of DNTF-based aluminized explosives[J]. Chinese Journal of Energetic Materials, 2018, 26(7): 614-619. (in Chinese)
[12］ SOUERS P C, LAUDERBACH L, GARZA R, et al. Upgraded analytical model of the cylinder test[J]. Propellants, Explosives, Pyrotechnics, 2013, 38(3): 419-424.
[13］ HORNBERG H, VOLK F. The cylinder test in the context of physical detonation measurement methods[J]. Propellants, Explosives, Pyrotechnics, 1989, 14(5): 199-211.
[14］李亮亮, 沈飞, 王辉, 等．晶粒细化对无氧铜动态力学性能的影响[J]. 兵器材料科学与工程, 2019, 42(1): 22-25.
LI L L, SHEN F, WANG H, et al. Effect of grain refinement on dynamic mechanical properties of oxygen-free copper[J]．Ordnance Material Science and Engineering, 2019, 42(1): 22-25. (in Chinese)
[15］ SOUERS P C, MINICH R. Cylinder test correction for copper work hardening and spall[J]. Propellants, Explosives, Pyrotechnics, 2015, 40(2): 238-245.

第40卷
第8期2019 年8月兵工学报ACTA
ARMAMENTARIIVol.40No.8Aug.2019

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