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Research Papers

High-Range Plasticity of Metals Beyond Normal Work-Hardening

[+] Author and Article Information
E. V. Crane

Research and Development Engineering, E. W. Bliss Company, Canton, Ohio

W. S. Wagner

E. W. Bliss Company, Canton, Ohio

J. Eng. Ind 81(2), 178-181 (May 01, 1959) (4 pages) doi:10.1115/1.4008293 History: Received August 19, 1958; Published May 01, 1959; Online February 20, 2019

Abstract

Metals, plastically worked for mass-production purposes are shown to have a little known and potentially valuable “high” working range, primarily compressive and substantially beyond commonplace practices and physicals. This “high range” lies beyond the point of normal tensile failure. It is distinguished by a steeper or more rapid rate of work-hardening. While some use has been made of it, to advantage, in wire-drawing, rolling, cold extrusion, and shell drawing, inadequate technical data concerning it may be attributed to unfamiliarity with the testing program. To provide pressed-metal engineering with the extended plastic-range data needed for planning operation sequences, a testing technique is outlined, which if not new, is at least unfamiliar and potentially useful until a better method is devised.

Copyright © 1959 by ASME
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