Investigation of Heat Transfer and Simulation of Metal Flow in Hot Upsetting

[+] Author and Article Information
Yong-Taek Im

Department of Industrial & Systems Engineering, ERC for Net-Shape Manufacturing, The Ohio State University, Columbus, OH 43210

J. Eng. Ind 111(4), 337-344 (Nov 01, 1989) (8 pages) doi:10.1115/1.3188769 History: Received April 01, 1987; Online July 30, 2009


An investigation of heat transfer and deformation during hot upsetting has been performed by comparing results of finite element analysis with experimental data obtained from the literature. The effect of the interface heat transfer coefficient for three orders of magnitude has been evaluated in the hot upsetting of AISI 1042 carbon steel, AISI 304 stainless steel, and OFHC copper. The finite element studies have shown to be a practical method to obtain information on the interface heat transfer coefficient, a value that is difficult to determine experimentally. The results for heat transfer in the billets and dies considering transfer time, resting time, and deformation are presented.

Copyright © 1989 by ASME
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