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.
Issue Section:
Research Papers
Topics:
Extruding,
Hydrostatics,
Lubrication,
Metals,
Work hardening,
Heating,
Lubrication theory,
Temperature
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Copyright © 1986
by ASME
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