A simple instability condition based on the Ziegler's continuum principles as applied to large plastic flow, is extended for delineating the regions of unstable metal flow during hot deformation of 2014 Al-20 vol% Al 2O3 metal matrix composite. The optimum hot working conditions for this material are suggested. © 2004 Elsevier B.V. All rights reserved.

Bhagwati P. Kashyap

Department of Metallurgical & Materials Engineering

IIT Jodhpur

S.V.S.N. Murty

B.N. Rao

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Journal	Journal of Materials Processing Technology
ISSN	09240136