RESEARCH PAPERS: Mechanisms Papers

Springback of Wire Products Considering Natural Strain

[+] Author and Article Information
A. N. Palazotto, D. A. Seccombe

Department of Mechanical Engineering, University of Bridgeport, Bridgeport, Conn.

J. Eng. Ind 95(3), 809-814 (Aug 01, 1973) (6 pages) doi:10.1115/1.3438230 History: Received July 19, 1972; Online July 15, 2010


This paper makes use of the Ramberg-Osgood stress-strain relationship to evaluate the springback angle for wire products. Natural strain is present in the analysis. In order to incorporate the natural strain expression into the equations, a least-squares polynomial approximation is developed primarily to transform the Ramberg-Osgood equation. Results are compared with experimental values for various radii and angle of bends using several copper alloys with different strain hardening characteristics.

Copyright © 1973 by ASME
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