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TECHNICAL PAPERS

Cavitation and Mushrooming in Attack of Thick Targets by Deforming Rods

[+] Author and Article Information
M. Lee

School of Mechanical and Aerospace Engineering, Sejong University, 98 Kwangjin-Gu, Kunja-Dong, Seoul 143747, Koreae-mail: mlee@sejong.ac.kr

J. Appl. Mech 68(3), 420-424 (Nov 27, 2000) (5 pages) doi:10.1115/1.1360690 History: Received February 16, 1999; Revised November 27, 2000
Copyright © 2001 by ASME
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References

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Taylor, G. I., 1941, “The Formation and Enlargement of a Circular Hole in a Thin Plastic Sheet,” Q. J. Mech. Appl. Math., 1 .
Hill,  R., 1980, “Cavitation and the Influence of Headshape in Attack of Thick Targets by Non-Deforming Projectiles,” J. Mech. Phys. Solids, 28, pp. 249–263.
Bishop,  R. F., Hill,  R., and Mott,  N. F., 1945, “The Theory of Indentation and Hardness Tests,” Proc. Phys. Soc., 57, p. 148.
Walters,  W. P., and Scott,  B. R., 1985, “The Crater Radial Growth Rate Under Ballistic Impact Conditions,” Comput. Struct., 20, No. 1–3, pp. 641–648.
Miller, C. W., 1995, “Two-Dimensional Engineering Model of Jet Penetration,” Proceedings of the 15th International Symposium on Ballistics, American Defense Preparedness Association, pp. 8–21.
Shinar, G. I., Barnea, N., Ravid, M., and Hirsch, E., 1995, “An Analytical Model for the Cratering of Metallic Targets by Hypervelocity Long Rods,” Proceedings of the 15th International Symposium on Ballistics, Israel, American Defense Preparedness Association, pp. 59–66.
Tate,  A., 1967, “A Theory for the Deceleration of Long Rods after Impact,” J. Mech. Phys. Solids, 15, pp. 387–399.
Tate,  A., 1967, “Further Results in the Theory of Long Rod Penetration,” J. Mech. Phys. Solids, 17, pp. 141–150.
Alekseevskii, V. P., “Penetration of a Rod into a Target At High Velocity,” Combustion, Explosion and Shock Waves, Vol. 2, Faraday Press, New York, pp. 63–66 (translation from the Russian).
Walker,  J. D., and Anderson,  C. E., 1995, “A Time-Dependent Model for Long-Rod Penetration,” Int. J. Impact Eng., 16, No. 1, pp. 19–48.
Satapathy,  S., and Bless,  J. S., 1996, “Quasi-Static Penetration Tests of PMMA: Analysis of Strength and Crack Morphology,” Mech. Mater., 23, No. 4, p. 323.
Tate,  A., 1986, “Long Rod Penetration Models—Part II. Extensions to the Hydrodynamic Theory of Penetration,” Int. J. Mech. Sci., 28, No. 9, pp. 599–612.
Bless, S., 1995, “Impact and Penetration Mechanics,” short course notes.
Hohler,  A., and Stilp,  A., 1987, “Hypervelocity Impact of Rod Projectiles With L/D From 1 to 32,” Int. J. Impact Eng., 5, pp. 323–331.
Szendrei, T., 1995, “Analytical Model for High-Velocity Impact Cratering With Material Strengths: Extensions and Validation,” 15th International Symposium on Ballistics, Israel, American Defense Preparedness Association, pp. 123–131.
Lee,  M., 2000, “Analysis of Jacketed-Rod Penetration,” Int. J. Impact Eng., 24, No. 9, pp. 891–905.

Figures

Grahic Jump Location
Cavitation in a thick target by a nondeforming projectile
Grahic Jump Location
Mushrooming and region of the target resistant pressure
Grahic Jump Location
The ratio of cavity growth due to mushrooming to the rod radius with impact velocity, and the corresponding penetration velocity
Grahic Jump Location
Square of the ratio of cavity growth due to mushrooming to final growth with impact velocity
Grahic Jump Location
Ratio of cavity radius to rod radius with impact velocity, experimental data for steel rod striking into steel target provided by Hohler and Stilp 15
Grahic Jump Location
Ratio of cavity radius to rod radius with impact velocity, experimental data for tungsten rod striking into tungsten target provided by Hohler and Stilp 15
Grahic Jump Location
Ratio of cavity radius to rod radius with impact velocity, experimental data for aluminum alloy rod striking into lead target provided by Tate 9

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