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RESEARCH PAPERS

Metal Flow in Two-Die Swaging

[+] Author and Article Information
W. G. Ovens

Mechanical and Industrial Engineering Department, Clarkson College of Technology, Potsdam, N.Y.

E. L. Bartholomew

Metallurgy Department, University of Connecticut, Storrs, Conn.

R. R. Biederman

Mechanical Engineering Department, Worcester Polytechnic Institute, Worcester, Mass.

J. Eng. Ind 98(4), 1121-1124 (Nov 01, 1976) (4 pages) doi:10.1115/1.3439064 History: Received July 14, 1975; Online July 15, 2010

Abstract

A study of materials subjected to reductions in area by two-die swaging shows that non-uniform hardening occurs. The amount of cold work strengthening on the surface is the same as that for a similar reduction in area by cold rolling. The center hardness, however, is significantly greater. Cracks at the center of specimens are frequently observed. These effects are attributed to redundant working since successive blows strike new areas around the periphery but every blow affects the center.

Copyright © 1976 by ASME
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