RESEARCH PAPERS: Mechanisms Papers

Impact Extrusion—Upper Bound Analysis of the End of the Stroke

[+] Author and Article Information
W. C. Hahn, B. Avitzur, E. D. Bishop

Department of Metallurgy and Materials Science, Lehigh University, Bethlehem, Pa.

J. Eng. Ind 95(3), 849-857 (Aug 01, 1973) (9 pages) doi:10.1115/1.3438236 History: Received July 24, 1972; Online July 15, 2010


The upper bound approach is used to analyze the final stage of impact extrusion of a thin or thick-walled cup. The results of two different velocity fields are compared. The prediction and prevention of defects during the final stage is described.

Copyright © 1973 by ASME
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