The Dynamic Transformation of Deformed Austenite
Chiradeep Ghosh
Broschiertes Buch

The Dynamic Transformation of Deformed Austenite

At Temperatures above the Ae3

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The dynamic transformation behavior of deformed austenite was studied in four steels of increasing carbon contents that had been deformed over the temperature range 743 917°C. Strains of 0.15 5 were applied at strain rates of 0.4 - 4.5 s-1. The structures observed are Widmanstätten in form and appear to have nucleated displacively. The onsets of dynamic transformation and dynamic recrystallization were detected in the four steels using the double-differentiation method. Two sets of second derivative minima were found to be associated with all the flow curves. The mean flow stresses (MFS s) p...