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厚金属靶在弹丸打击下的侵彻与穿透

DOI: 10.11858/gywlxb.2002.02.003, PP. 94-104

Keywords: 冲击,侵彻,穿透,金属靶,弹丸,弹道极限

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Abstract:

给出了预测厚金属靶在不同形状弹头弹丸大速度范围内打击下侵彻与穿透的简单分析方程。在方程的建立过程中,假定变形是局部化的、冲击能量仅由侵彻过程吸收,并进一步假定靶材料对弹丸的平均阻(压)力由两部分组成:一部分基于空穴膨胀理论由于靶材料弹-塑性变形所产生的准静态凝聚阻力;另一部分是考虑了速度效应后的动压力。推导出了预测靶侵彻深度和弹道极限的方程表达式,并与金属靶在不同形状弹头弹丸大速度范围内打击下侵彻与穿透的实验进行了比较。理论预测与实验结果吻合得很好。

References

[1]  Backman M E, Goldsmith W. The Mechanics of Penetration of Projectile into Targets [J]. Int J Eng Sci, 1978, 16: 1-99.
[2]  Zukas J A. Penetration and Perforation of Solids [A]. Zukas J A. Impact Dynamics [C]. New York: John Wiley, 1982. 155-214.
[3]  Anderson C E Jr, Bodner S R. Ballistic Impact: The Status of Analytical and Numerical Modelling [J]. Int J Impact Eng, 1988, 7: 9-35.
[4]  Corbett G G, Reid S R, Johnson W. Impact Loading of Plates and Shells by Free-Flying Projectiles: A Review [J]. Int J Impact Eng, 1996, 18(2): 141-230.
[5]  Wen H M, Jones N. Semi-Empirical Equations for the Perforation of Plates Struck by a Mass [A]. Bulson P S. Structures under Shock and Impact II [C]. Southampton and Boston and Thomas Telford, London: Computational Mechanics Publications, 1992: 369-380.
[6]  Wen H M. Predicting the Penetration and Perforation of FRP Laminates Struck Normally by Projectiles with Different Nose Shapes [J]. Composite Structures, 2000, 49: 321-329.
[7]  Johnson W. Impact Strength of Materials [M]. London: Edward Arnold, 1972.
[8]  Hill R. The Mathematical Theory of Plasticity [M]. Oxford: Oxford University Press, 1950.
[9]  Forrestal M J, Okajima K, Luk V K. Penetration of 6061-T651 Aluminium Targets with Rigid Long Rods [J]. ASME J Appl Mech, 1988, 55: 755-760.
[10]  Forrestal M J, Rosenberg Z, Luk V K, et al. Perforation of Aluminium Plates with Conical-Nosed Rods [J]. J Appl Mech, 1987, 54: 230-232.
[11]  Luk V K, Amos D E. Dynamic Cylindrical Cavity Expansion of Compressible Strain-Hardening Materials [J]. ASME J Appl Mech, 1991, 58: 334-340.
[12]  Dikshit S N, Sundararajan G. The Penetration of Thick Steel Plates by Ogive Shaped Projectiles-Experiment and Analysis [J]. Int J Impact Eng, 1992, 12(3): 373- 408.
[13]  Gupta N K, Madhu V. Normal and Oblique Impact of a Kinetic Energy Projectile on Mild Steel Plates [J]. Int J Impact Eng, 1992, 12(3): 333-343.
[14]  Forrestal M J, Brar N S, Luk V K. Penetration of Strain-Hardening Targets with Rigid Spherical-Nose Rods [A]. Schwer L E. Computational Techniques for Contact, Impact, Penetration and Perforation of Solids [C]. ASME, 1989, AMD-103: 215-222.
[15]  Corbett G G, Reid S R. Quasi-Static and Dynamic Local Loading of Monolithic Simply-Supported Steel Plates [J]. Int J Impact Eng, 1993, 13(3): 423- 441.
[16]  Luk V K, Piekutowski A J. An Analytical Model on Penetration of Erosive Long Rods into Metallic Targets [J]. Int J Impact Eng, 1991, 11(3): 323-340.
[17]  Anderson C E Jr, Hohler V, Walker J D, et al. Time-Resolved Penetration of Long Rods into Steel Targets [J]. Int J Impact Eng, 1995, 16(1): 1-18.
[18]  Ravid M, Bodner S R, Holcman I. A Two-Dimensional Analysis of Penetration by an Eroding Projectile [J]. Int J Impact Eng, 1994, 15(5): 587- 603.
[19]  Cullis I G, Lynch N J. Performance of Model Scale Long Rod Projectiles against Complex Targets over the Velocity Range 1700~2200 m/s [J]. Int J Impact Eng, 1995, 17: 263-274.
[20]  Grace F I. Long-Rod Penetration into Targets of Finite Thickness at Normal Impact [J]. Int J Impact Eng, 1995, 16(3): 419- 433.

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