Elastic-Plastic Response of 6061-T6 Aluminum Beams to Impulse Loads

[+] Author and Article Information
M. J. Forrestal, D. L. Wesenberg

Simulation Research Department, Sandia Laboratories, Albuquerque, New Mex.

J. Appl. Mech 43(2), 259-262 (Jun 01, 1976) (4 pages) doi:10.1115/1.3423820 History: Received September 01, 1975; Revised January 01, 1976; Online July 12, 2010


The elastic-plastic response of 6061-T6 aluminum beams is examined experimentally and analytically. Simply supported beams are loaded with half-sine wave, short-duration magnetic pressure pulses and the response is monitored with a framing camera and strain gages. A closed-form elastic-plastic approximate theory for peak displacement is derived and compared with measurements and a numerical analysis. Measured displacement-time and strain-time histories are also compared with numerical predictions. Good agreement is shown between measurements and predictions.

Copyright © 1976 by ASME
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