Analysis of Tube Extrusion

[+] Author and Article Information
H. S. Mehta, Shiro Kobayashi

Mechanical Engineering Department, University of California at Berkeley, Berkeley, Calif.

A. H. Shabaik

Engineering Department, University of California at Los Angeles, Los Angeles, Calif.

J. Eng. Ind 92(2), 403-410 (May 01, 1970) (8 pages) doi:10.1115/1.3427758 History: Received July 01, 1969; Online July 15, 2010


Two solutions for the detailed mechanics of tube extrusion are presented. One is based on the theoretical velocity field, and the other on the flow field observed experimentally. The theoretical solution makes use of admissible velocity fields containing no velocity discontinuities. Experimental flow patterns are obtained for commercially pure lead and a superplastic alloy of the eutectic of lead and tin. The two solutions are compared in terms of velocity components, grid distortions, and strain and stress distributions, and very good agreement between the two solutions is revealed.

Copyright © 1970 by ASME
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