Fracture mode transition in expanding ring and cylindrical shell under electromagnetic and explosive loadings

Guo Zhaoliang; Fan Cheng; Liu Mingtao; Ren Guowu; Tang Tiegang; Liu Cangli

doi:10.11883/1001-1455(2017)06-1072-08

Volume 37 Issue 6

Sep. 2017

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WANG Chen, WU Jun-Ying, CHEN Lang, LU Jian-Ying, GUO Xin, WANG Xiao-Feng. Experiments and numerical simulations of sympathetic detonation of explosives in shell[J]. Explosion And Shock Waves, 2010, 30(2): 152-158. doi: 10.11883/1001-1455(2010)02-0152-07

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Guo Zhaoliang, Fan Cheng, Liu Mingtao, Ren Guowu, Tang Tiegang, Liu Cangli. Fracture mode transition in expanding ring and cylindrical shell under electromagnetic and explosive loadings[J]. Explosion And Shock Waves, 2017, 37(6): 1072-1079. doi: 10.11883/1001-1455(2017)06-1072-08

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Fracture mode transition in expanding ring and cylindrical shell under electromagnetic and explosive loadings

doi: 10.11883/1001-1455(2017)06-1072-08

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

Received Date: 2016-04-21
Rev Recd Date: 2016-09-21
Publish Date: 2017-11-25

Abstract

Abstract

In the present study, we designed the electromagnetic and explosive driving expanding ring/cylinder experiments and investigated the expanding fracture characteristics of oxygen-free high-conductivity copper (OFHC) in consideration of the conception of the reduction of area, the local fracture strain and the average fracture strain. We used a high speed camera to record the fracture process and obtain the fracture strain of the copper cylinder and the Doppler pins system (DPS) to obtain the radial velocity of the specimen in order to achieve the strain rate of the loading. We verified the local fracture strain and the fracture mode by analyzing the soft-recovered fragments of the expanding ring and the cylinder. Based on the experimental results, we found that the average fracture strain and the reduction of the area increases as does the strain rate. Moreover, the fracture mode transition may occur at the strain rate of about 1.0×10⁴ s^-1, and the reduction of the area may increase by an order of magnitude, i.e. from the order of 10⁰ to that of 10³, and the local fracture strain exhibits an obvious subarea.
- necking,
- fracture,
- expanding ring,
- high strain rate,
- fracture strain

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References

[1]	王礼立.应力波基础[M].2版.北京:国防工业出版社, 2005.
[2]	Grady D.Fragmentation of rings and shells-The legacy of N.F.Mott[M].Berlin:Springer, 2006.
[3]	周风华, 郭丽娜, 王礼立.脆性固体碎裂过程中的最快卸载特性[J].固体力学学报, 2010, 31(3):286-295. http://d.old.wanfangdata.com.cn/Periodical/gtlxxb201003009 Zhou Fenghua, Guo Lina, Wang Lili.The rapidest unloading characteristics in the fragmentation process of brittle solids[J].Chinese Journal of Solid Mechanics, 2010, 31(3):286-295. http://d.old.wanfangdata.com.cn/Periodical/gtlxxb201003009
[4]	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: 10.3321/j.issn:1001-1455.2006.02.006 Tang Tiegang, Li Qingzhong, Sun Xuelin, 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: 10.3321/j.issn:1001-1455.2006.02.006
[5]	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. doi: 10.3969/j.issn.1000-1093.2016.01.012 Ren Guowu, Guo Zhaoliang, Tang Tiegang, et al.Experimental research on fracture of metal case under loading at high strain rate[J].Acta Armamentarii, 2016, 37(1):77-82. doi: 10.3969/j.issn.1000-1093.2016.01.012
[6]	Ren Guowu, Guo Zhaoliang, Fan Cheng, et al.Dynamic shear fracture of an explosively-driven metal cylindrical shell[J].International Journal of Impact Engineering, 2016, 95:35-39. doi: 10.1016/j.ijimpeng.2016.04.012
[7]	Zhang H, Ravi-Chandar K.Dynamic fragmentation of ductile materials[J].Journal of Physics D:Applied Physics, 2009, 42(21):214010. doi: 10.1088/0022-3727/42/21/214010
[8]	Zhang H, Ravi-Chandar K.On the dynamics of necking and fragmentation-Ⅰ.Real-time and post-mortem observations in Al 6061-O[J].International Journal of Fracture, 2006, 142:183-217. doi: 10.1007/s10704-006-9024-7
[9]	汤铁钢, 李庆忠, 陈永涛, 等.实现材料高应变率拉伸加载的爆炸膨胀环技术[J].爆炸与冲击, 2009, 29(5):546-549. doi: 10.3321/j.issn:1001-1455.2009.05.017 Tang Tiegang, Li Qingzhong, Chen Yongtao, et al.An improved technique for dynamic tension of metal ring by explosive loading[J].Explosion and Shock Waves, 2009, 29(5):546-549. doi: 10.3321/j.issn:1001-1455.2009.05.017
[10]	桂毓林, 孙承纬, 李强, 等.实现金属环动态拉伸的电磁加载技术研究[J].爆炸与冲击, 2006, 26(6):481-485. doi: 10.3321/j.issn:1001-1455.2006.06.001 Gui Yulin, Sun Chengwei, Li Qiang, et al.Experimental studies on dynamic tension of metal ring by electromagnetic loading[J].Explosion and Shock Waves, 2006, 26(6):481-485. doi: 10.3321/j.issn:1001-1455.2006.06.001
[11]	桂毓林.电磁加载下金属膨胀环的动态断裂与碎裂研究[D].四川绵阳: 中国工程物理研究院, 2007. http://cdmd.cnki.com.cn/Article/CDMD-82818-2008032579.htm
[12]	陈磊, 周风华, 汤铁钢.韧性金属环高速膨胀碎裂过程的有限元模拟[J].力学学报, 2011, 43(5):861-870. http://d.wanfangdata.com.cn/Periodical/lxxb201105010 Chen Lei, Zhou Fenghua, Tang Tiegang.Finite element simulation of the high velocity expansion and fragmentation of ductile metallic rings[J].Chinese Journal of Theoretical and Applied Mechanics, 2011, 43(5):861-870. http://d.wanfangdata.com.cn/Periodical/lxxb201105010

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