Part 1 What are the concentrations of carbon in a-ferrite and Fe3C at a temperature just...
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Part 1 What are the concentrations of carbon in a-ferrite and Fe3C at a temperature just below 727°C? You may want to use Animated Figure 10.28. (a) Ca= Excellent! (b) CFe3C = 6.70 Hint eTextbook and Media Part 2 0.022 Co= eTextbook and Media Save for Later wt% Compute the composition of an iron-carbon alloy for which the mass fractions of total ferrite and total cementite are 0.95and 0.05, respectively. wt% Attempts: 1 of 3 used wt% C Attempts: 0 of 3 used Submit Answer Temperature (°C) 1600 1400 1200 1000 800 600 400 (Fe) 5 -1493 °C 1538 °C 1394 °C a+y 7, Austenite 912 °C 0.76 0.022 à, Feritte 1085 °C 1 y + L 2 Composition (at% C) 10 15 2.14 1147 °C a + Fe₂C L Composition = 0 wt% C Composition = 0 at% C Temperature = 400 °C Temperature = 752 °F 3 4 Composition (wt% C) 4.30 y+Fe3C 727 °C 20 Cementite (Fe,C) 5 6 25 2500 -2000 1500 1000 6.70 Temperature (°F) Temperature (°C) 1600 1400 1200 1000 800 600 400 (Fe) 1538 °C 8 5 -1493 °C 1394 °C a+y y, Austenite 912 °C 0.76 0.022 à, Feritte 1085 °C 1 y + L 2 Composition (at% C) 10 15 2.14 1147 °C a + Fe₂C L Composition = 0 wt% C Composition = 0 at% C Temperature = 400 °C Temperature = 752 °F 3 4 Composition (wt% C) 4.30 y + Fe3C 727 °C 20 Cementite (Fe,C) 5 6 25 2500 2000 1500 1000 6.70 Temperature (°F) Part 1 What are the concentrations of carbon in a-ferrite and Fe3C at a temperature just below 727°C? You may want to use Animated Figure 10.28. (a) Ca= Excellent! (b) CFe3C = 6.70 Hint eTextbook and Media Part 2 0.022 Co= eTextbook and Media Save for Later wt% Compute the composition of an iron-carbon alloy for which the mass fractions of total ferrite and total cementite are 0.95and 0.05, respectively. wt% Attempts: 1 of 3 used wt% C Attempts: 0 of 3 used Submit Answer Temperature (°C) 1600 1400 1200 1000 800 600 400 (Fe) 5 -1493 °C 1538 °C 1394 °C a+y 7, Austenite 912 °C 0.76 0.022 à, Feritte 1085 °C 1 y + L 2 Composition (at% C) 10 15 2.14 1147 °C a + Fe₂C L Composition = 0 wt% C Composition = 0 at% C Temperature = 400 °C Temperature = 752 °F 3 4 Composition (wt% C) 4.30 y+Fe3C 727 °C 20 Cementite (Fe,C) 5 6 25 2500 -2000 1500 1000 6.70 Temperature (°F) Temperature (°C) 1600 1400 1200 1000 800 600 400 (Fe) 1538 °C 8 5 -1493 °C 1394 °C a+y y, Austenite 912 °C 0.76 0.022 à, Feritte 1085 °C 1 y + L 2 Composition (at% C) 10 15 2.14 1147 °C a + Fe₂C L Composition = 0 wt% C Composition = 0 at% C Temperature = 400 °C Temperature = 752 °F 3 4 Composition (wt% C) 4.30 y + Fe3C 727 °C 20 Cementite (Fe,C) 5 6 25 2500 2000 1500 1000 6.70 Temperature (°F)
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