A Thermal Hydrodynamic Lubrication Analysis for Hydrostatic Extrusion of a Work Hardening Metal

[+] Author and Article Information
S. M. Mahdavian

Department of Mechanical & Production Engineering, Royal Melbourne Institute of Technology Ltd., Melbourne, Victoria, 3000, Australia

J. Tribol 108(3), 368-371 (Jul 01, 1986) (4 pages) doi:10.1115/1.3261206 History: Received March 04, 1984; Online October 29, 2009


The thermal hydrodynamic lubrication theory is extended to hydrostatic extrusion of a strain hardening metal. The effects of viscous heating in both inlet and work zones, and surface temperature of work zones are included. The results are compared with previous theoretical models. It indicates that thermal strain hardening effects play an important role in determining hydrostatic extrusion for high reduction of area and high strength metals.

Copyright © 1986 by ASME
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