Fe-C Diagram
cooled down from a temperature within the g-phase region (e.g., at 800 ºC). • Initially the alloy is composed entirely of the austenitic phase having a composition of 0.83 wt% C • As the alloy is cooled, no changes will occur until the eutectoid temperature (727 ºC). • Upon crossing this temperature to point B, the austenite
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