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RESEARCH PAPERS

Analysis of Strip Rolling by the Upper Bound Approach

[+] Author and Article Information
B. Avitzur, W. Gordon

Institute for Metal Forming (IMF), Department of Materials Science and Engineering, Lehigh University, Bethlehem, PA 18015

S. Talbert

Modeling and System Design Group, Ministry of State for Urban Affairs, Ontario, Canada

J. Eng. Ind 109(4), 338-346 (Nov 01, 1987) (9 pages) doi:10.1115/1.3187137 History: Received July 08, 1986; Online July 30, 2009

Abstract

The process of strip rolling is analyzed using the upper bound technique. Two triangular velocity fields, one with triangles in linear rigid body motion and the other with triangles in rotational rigid body motion, are developed. The total power is determined as a function of the four independent process parameters (relative thickness, reduction, friction and net front-back tension). The results of these two velocity fields are compared with the established solution from Avitzur’s velocity field of continuous deformation. Upon establishing the validity of the triangular velocity field as an approach to the strip rolling problem, recommendations are suggested on how this approach can be used to study the split end or alligatoring defect.

Copyright © 1987 by ASME
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