RESEARCH PAPERS: Papers on Production Engineering

An Analytical Approach to the Problem of Core Fracture During Extrusion of Bimetal Rods

[+] Author and Article Information
B. Avitzur, R. Wu, S. Talbert, Y. T. Chou

Lehigh University, Institute for Metal Forming, Department of Metallurgy and Materials Engineering, Bethlehem, Pa 18015

J. Eng. Ind 107(3), 247-253 (Aug 01, 1985) (7 pages) doi:10.1115/1.3185994 History: Received November 16, 1984; Online July 30, 2009


The process of core fracture in bimetals during extrusion was reexamined. The new analysis, based on the upper-bound theorem in limit analysis, eliminated the lengthy numerical computations employed in the previous work [1]. The criterion for core fracture was derived and discussed.

Copyright © 1985 by ASME
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