On the Thickness Effect of Axisymmetric Deformation of Sheet Metals

[+] Author and Article Information
Shyam K. Samanta, G. Grab

Metallurgy Department, Scientific Research Laboratory, Ford Motor Company, Dearborn, Mich. 48121

J. Eng. Mater. Technol 106(2), 208-209 (Apr 01, 1984) (2 pages) doi:10.1115/1.3225701 History: Received November 10, 1983; Online September 15, 2009


In the present investigation, we have studied the influence of sheet thickness on the limiting strain, i.e., forming limit, of a mild steel by punch stretching experiments. Our results show that for a two-fold increase in thickness the limiting strain of a material does not substantially increase with increasing thickness of the sheet . These experimental observations were well supported by the results of theoretical analysis using Finite Element modelling of the process.

Copyright © 1984 by ASME
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