All Title Author
Keywords Abstract


平头弹丸撞击下薄金属靶板Wen-Jones模型的进一步研究

DOI: 10.11858/gywlxb.2014.04.014, PP. 473-482

Keywords: 金属薄靶,平头弹,贯穿,弹道极限,等效应变失效准则

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对平头弹丸穿透固支圆形金属薄靶问题,对Wen-Jones模型进行了推广应用。根据前人的研究成果,提出了等效应变失效准则,以预测金属薄靶的穿透。与实验数据的对比表明,新模型的预测结果与有关低碳钢和铝合金的实验结果相吻合。尽管新模型与Wen-Jones模型采用的破坏准则不同,但是两者的预测结果相近。分析发现,当靶板材料的延性足够大时,Wen-Jones模型可看作是新模型的一种特殊情况。

References

[1]  Corran R S J, Shadbolt P J, Ruiz C. Impact loading of plates: An experimental investigation [J]. Int J Impact Eng, 1983, 1(1): 3-22.
[2]  Radin J, Goldsmith W. Normal projectile penetration and perforation of layered targets [J]. Int J Impact Eng, 1988, 7(2): 229-259.
[3]  Borvik T, Hopperstad O S, Langseth M, et al. Effect of target thickness in blunt projectile penetration of Weldox 460 E steel plates [J]. Int J Impact Eng, 2003, 28(4): 413-464.
[4]  Grytten F, Borvik T, Hopperstad O S, et al. Low velocity perforation of AA5083-H116 aluminium plates [J]. Int J Impact Eng, 2009, 36(4): 597-610.
[5]  Gupta N K, Iqbal M A, Sekhon G S. Effect of projectile nose shape, impact velocity and target thickness on deformation behavior of aluminum plates [J]. Int J Solids Struct, 2007, 44(10): 3411-3439.
[6]  Wen H M, Jones N. Experimental investigation into the dynamic plastic response and perforation of a clamped circular plate struck transversely by a mass [J]. J Mech Eng Sci, 1994, 208(2): 113-137.
[7]  Awerbuch J, Bodner S R. Analysis of the mechanics of perforation of projectiles in metallic plates [J]. Int J Solids Struct, 1974, 10(6): 671-684.
[8]  Liss J, Goldsmith W, Kelly J M. A phenomenological penetration model of plates [J]. Int J Impact Eng, 1983, 1(4): 321-341.
[9]  Bai Y L, Johnson W. Plugging: Physical understanding and energy absorption [J]. Met Technol, 1982, 9(1): 182-190.
[10]  Wen H M, Jones N. Low-velocity perforation of punch-impact-loaded metal plates [J]. J Pressure Vessel Technol, 1996, 118(2): 181-187.
[11]  Pan J H, Wen H M. Failure modes of ductile metal plates under normal impact by flat-ended projectiles [J]. Chinese Journal of High Pressure Physics, 2007, 21(2): 157-164. (in Chinese)
[12]  潘建华, 文鹤鸣. 平头弹丸正撞击下延性金属靶板的破坏模式 [J]. 高压物理学报, 2007, 21(2): 157-164.
[13]  Wen H M, Sun W H. Transition of plugging failure modes for ductile metal plates under impact by flat-nosed projectiles [J]. Mech Based Des Struct Mach, 2010, 38(1): 86-104.
[14]  Jones N, Paik J K. Impact perforation of aluminium alloy plates [J]. Int J Impact Eng, 2012, 48: 46-53.
[15]  Wen H M, Reddy T Y, Reid S R. Deformation and failure of clamped beams under low speed impact loading [J]. Int J Impact Eng, 1995, 16(3): 435-454.
[16]  Wen H M. A quasi-static procedure for predicting the deformation and failure of structure under intense dynamic loadings[C]//Lok T S, Hulme T, Lim C H. Proceedings of the International Conference on Protection of Structures against Hazards. Singapore, 2002: 101-112.
[17]  Jones N. Structural Impact [M]. Cambridge, UK: Cambridge University Press, 1989.
[18]  Langseth M, Larsen P K. Dropped objects' plugging capacity of steel plates: An experimental investigation [J]. Int J Impact Eng, 1990, 9(3): 289-316.

Full-Text

comments powered by Disqus