Sketch the microstructure of 0.2% C steel. Calculate %Pearlite, %cementite, % proeutectoid ferrite and % total ferrite.
Sketch the microstructure of 0.2% C steel. Calculate %Pearlite, %cementite, % proeutectoid ferrite and % total ferrite.
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The stucture would consist of proeutectoid ferrite and pearlite. Assume solubility of carbon in ferrite is negligible. % Pearlite= (0.2-0)/(0.8-0) * 100= 25 Balance 75% is proeutectoid ferrite %cementite= (0.2-0)/(6.67-0) * 100 = 3% so total ferrite = 97%
The stucture would consist of proeutectoid ferrite and pearlite. Assume solubility of carbon in ferrite is negligible.
% Pearlite= (0.2-0)/(0.8-0) * 100= 25
Balance 75% is proeutectoid ferrite
%cementite= (0.2-0)/(6.67-0) * 100 = 3%
so total ferrite = 97%
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