A Unified Bifurcation Analysis of Sheet Metal Forming Limits

[+] Author and Article Information
Xinhai Zhu

Livermore Software Technology Co., 7374 Las Positas Rd., Livermore, CA 94550

Klaus Weinmann

Department of ME-EM, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931-1295

Abhijit Chandra

Department of Mechanical Engineering, Iowa State University, Ames, IA 50011

J. Eng. Mater. Technol 123(3), 329-333 (Feb 07, 2001) (5 pages) doi:10.1115/1.1370397 History: Received April 24, 2000; Revised February 07, 2001
Copyright © 2001 by ASME
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Grahic Jump Location
Illustration of a localized neck in the plane of the sheet
Grahic Jump Location
Comparison of the present prediction with experimental data (material: aluminum, n=0.245, from Hecker 12)
Grahic Jump Location
Illustration of perturbed forces around the necked region



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