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RESEARCH PAPERS

A Comparison of Redundant Deformation Factors in the Drawing of Round Section Bars

[+] Author and Article Information
P. R. Cetlin, A. P. Silva

Dept. of Metallurgical Engineering, Federal University of Minas Gerais, Belo Horizonte, Brazil

J. Eng. Mater. Technol 116(4), 574-575 (Oct 01, 1994) (2 pages) doi:10.1115/1.2904331 History: Received August 01, 1991; Revised September 01, 1993; Online April 29, 2008

Abstract

The experimental drawing of SAE 1008 steel bars was performed for different reductions in area (r) and die semi-angles (α). The redundant deformation factor (φ) was evaluated for each case using two techniques: microhardness profiles and stress-strain curves superposition. The experimental values of φ obtained by the two techniques were not in agreement.

Copyright © 1994 by The American Society of Mechanical Engineers
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