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RESEARCH PAPERS

A Study on the Large Ductile Deformations and Perforation of Mild Steel Plates Struck by a Mass—Part I: Experimental Results

[+] Author and Article Information
N. Jones, S.-B. Kim

Impact Research Centre, Department of Mechanical Engineering, The University of Liverpool, Liverpool L69 3GH, U.K.

J. Pressure Vessel Technol 119(2), 178-184 (May 01, 1997) (7 pages) doi:10.1115/1.2842281 History: Received December 07, 1995; Revised October 10, 1996; Online February 11, 2008

Abstract

An experimental study is reported on the ductile deformation and perforation of plates struck at the center by solid cylindrical projectiles having the longitudinal axis normal to the plate surface. The plates, which are made from 4 to 8-mm-thick mild steel sheet, are fully clamped around a circular boundary and are struck by projectiles having blunt ends and traveling with impact velocities within the range 7.7–118.9 m/s. Comparisons are made in Part II with the static perforation behavior and with previously published experimental results and several empirical equations for the impact case. A new empirical equation, which retains the influence of the impact velocity on the perforation energy, is also proposed in Part II.

Copyright © 1997 by The American Society of Mechanical Engineers
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