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The hot working characteristics of as-cast Mg–3Sn–1Ca alloy have been studied using processing-map technique and the kinetic rate equation. The map exhibited two domains; one in the lower strain rate range (0.0003–0.01 s −1 ) and the other in the higher strain rate range (0.1–10 s −1 )—both falling in the same temperature range of 350–550 s −1 . Hot extrusion at 500 °C and...
The kinetics of hot deformation in oxygen-free and electrolytic grades of polycrystalline copper has been studied in a wide temperature range (300-950 o C) and strain rate range (0.001-100 s -1 ) using isothermal hot compression tests. The flow curves are typical of the process of dynamic recrystallization with initial peak in the flow stress followed by flow softening. At lower...
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