After being slowly cooled from the austenite region, a simple iron?carbon steel exhibits a microstructure consisting of 40 percent pearlite and 60 percent ferrite.
(a) Estimate the carbon concentration of the steel.
(b) Describe the equilibrium microstructure that would be obtained if the steel were heated to 730°C and held there for a long period of time.
(c) What would be the equilibrium structure of this steel if it were heated to 850°C?
(d) Make sketches of all these microstructures.
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Answer the following statement true (T) or false (F)
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A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B
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