5.62 Determine the amount of gamma and alpha phases (Fig. 5.4b in a 10-kg, 1060 steel...

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5.62 Determine the amount of gamma and alpha phases (Fig. 5.4b in a 10-kg, 1060 steel casting as it is being cooled to the following temperatures: (a) 750°C; (b) 728°C; and (c) 7260 1600 8 (Ferrite). Temperature (°C) 1400 O 1200 1000 800 600 400 0 1538°C -1495°C 1394°C y (austenite) 912°C α+y 0.77% 0.022% a (ferrite) 1 + liquid 1148°C 2.11% ● (8 Liquid 4.30% y + cementite Detail view 727°C + cementite Cementite (Fe,C). (a) 2 3 Carbon (% by weight) 4 5 2500 -2000 1500 1000 6 6.67 Temperature (°C) 1100 1000 900 800 700 600 500 400 0 uy L 727°C y + Fe C 2000 1500 - Ferrite -Fe C-1000 a + Fe₂C 0.5 1.0 1.5 2.0 2.5 Carbon (% by weight) (b) 5.62 Determine the amount of gamma and alpha phases (Fig. 5.4b in a 10-kg, 1060 steel casting as it is being cooled to the following temperatures: (a) 750°C; (b) 728°C; and (c) 7260 1600 8 (Ferrite). Temperature (°C) 1400 O 1200 1000 800 600 400 0 1538°C -1495°C 1394°C y (austenite) 912°C α+y 0.77% 0.022% a (ferrite) 1 + liquid 1148°C 2.11% ● (8 Liquid 4.30% y + cementite Detail view 727°C + cementite Cementite (Fe,C). (a) 2 3 Carbon (% by weight) 4 5 2500 -2000 1500 1000 6 6.67 Temperature (°C) 1100 1000 900 800 700 600 500 400 0 uy L 727°C y + Fe C 2000 1500 - Ferrite -Fe C-1000 a + Fe₂C 0.5 1.0 1.5 2.0 2.5 Carbon (% by weight) (b)

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A At 750C At 750C the steel consists of predominantly gamma ferrite phase The carbon content of the ... View the full answer