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RESEARCH PAPERS

Dynamic Behavior of Metals Under Tensile Impact—Part 2: Annealed and Cold-Worked Materials

[+] Author and Article Information
A. B. Schultz

Department of Materials Engineering, University of Illinois at Chicago Circle, Chicago, Ill.

J. Appl. Mech 37(3), 771-777 (Sep 01, 1970) (7 pages) doi:10.1115/1.3408609 History: Received April 22, 1969; Revised September 10, 1969; Online July 12, 2010

Abstract

The mechanical behavior of metals subjected to unaxial tensile impact at room temperature is reported. Tests were conducted on 1100 aluminum subjected to light and to heavy cold working; 2024 aluminum after annealing and after light and heavy cold working; C1010 steel in these same three conditions; and OFHC copper and 70–30 brass in an annealed state. In four of the 10 series, the materials were found to possess dynamic stress-strain curves which fell below the static curves. The yield point of the steel was lowered by impact loading. Ratios of dynamic to static ultimate stress were found to range from 0.59–1.3.

Copyright © 1970 by ASME
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