Hydrostatic Extrusion

[+] Author and Article Information
B. Avitzur

Department of Metallurgical Engineering, Lehigh University, Bethlehem, Pa.

J. Eng. Ind 87(4), 487-493 (Nov 01, 1965) (7 pages) doi:10.1115/1.3670866 History: Received June 08, 1964; Online December 08, 2011


The process of hydrostatic extrusion, where the liquid-surrounded billet is pushed through a die by means of liquid pressure instead of a ram, is analyzed. Expressions are provided giving the following: (a) The required pressure as a function of the other process variables. (b) The most suitable cone angle minimizing the required pressure. (c) The capacity of existing equipment. The present study is an extension of a previous study [12] of flow through converging conical dies.

Copyright © 1965 by ASME
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