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RESEARCH PAPERS

Low-Velocity Perforation of Punch-Impact-Loaded Metal Plates

[+] Author and Article Information
H.-M. Wen

Applied Mechanics Division, Department of Mechanical Engineering, UMIST, P.O. Box 88, Manchester M60 IQD, U.K.

N. Jones

Impact Research Centre, Department of Mechanical Engineering, The University of Liverpool, P.O. Box 147, Liverpool L69 3BX, U.K.

J. Pressure Vessel Technol 118(2), 181-187 (May 01, 1996) (7 pages) doi:10.1115/1.2842178 History: Received February 15, 1994; Revised August 10, 1995; Online February 11, 2008

Abstract

An approximate quasi-static theoretical analysis is presented for the behavior of punch-impact-loaded metal plates. Based on the principle of virtual work, load-deflection relationships are first obtained and then used to predict the energy-absorbing capabilities of plates subjected to low-velocity impacts that cause perforation. It is demonstrated that the theoretical predictions are in good agreement with experimental observations on fully clamped steel plates when material strain rate sensitivity is taken into consideration and provided that perforation does not occur by adiabatic shear plugging.

Copyright © 1996 by The American Society of Mechanical Engineers
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