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Abstract
Hot workability relates to the ability of a metal or alloy to be deformed under conditions of high temperature (> O.6Tm, where Tm is the melting temperature in degrees Kelvin) and relatively high strain rates (10-1 to 103 S-1). The two characteristics that govern hot workability are strength and ductility. In a previous review, the relationship between strength and structure under hot-working conditions was examined with particular reference to deformation to large strains leading to essentially steady-state conditions.
