Consider 1.0 kg of austenite containing 1.15 wt% C, cooled to below 727 °C (1341 °F).(a) What is the proeutectoid phase?(b) How many kilograms each of total ferrite and cementite form?(c) How many kilograms each of pearlite and the proeutectoid phase form?(d) Schematically sketch and label the resulting microstructure.Temperature (°C)16001400120010008006001538°C4000-1493°C1394°C912°Cy, Austenite0.760.022a, Ferrite5Y+L2.14Composition (at% C)15101147°Ca + Fe3CL4.30y + Fe3C727°C20Cementite (Fe3C)564(Fe)Composition (wt% C)Adapted from Binary Alloy Phase Diagrams, Vol. 1, 2nd edition, T. B. Massalski (Editor-in-Chief), 1990. Reprintedby permission of ASM International, Materials Park, OH.25250020001500-10006.70Temperature (°F)

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Consider 1.0 kg of austenite containing 1.15 wt% C, cooled to below 727 °C (1341 °F). (a) What is the proeutectoid phase? (b) How many kilograms each of total ferrite and cementite form? (c) How many kilograms each of pearlite and the proeutectoid phase form? (d) Schematically sketch and label the resulting microstructure. Temperature (°C) 16000 1400 1200 1000 800 600 400 1538°C + -1493°C 1394°C 912°C y. Austenite 0.76 0.022 a, Ferrite Y+L 2.14 2 Composition (at % C) 10 1147°C a + FezC 15 L 4.30 y+ Fe C 727°C 20 Cementite (Fe3C) 5 4 0 (Fe) 3 Composition (wt% C) Adapted from Binary Alloy Phase Diagrams, Vol. 1, 2nd edition, T. B. Massalski (Editor-in-Chief), 1990. Reprinted by permission of ASM International, Materials Park, OH. 6 25 -2500 -2000 1500 1000 6.70 Temperature (°F)

Consider 1.0 kg of austenite containing 1.15 wt% C, cooled to below 727 °C (1341 °F). (a) What is the proeutectoid phase? (b) How many kilograms each of total ferrite and cementite form? (c) How many kilograms each of pearlite and the proeutectoid phase form? (d) Schematically sketch and label the resulting microstructure. Temperature (°C) 16000 1400 1200 1000 800 600 400 1538°C + -1493°C 1394°C 912°C y. Austenite 0.76 0.022 a, Ferrite Y+L 2.14 2 Composition (at % C) 10 1147°C a + FezC 15 L 4.30 y+ Fe C 727°C 20 Cementite (Fe3C) 5 4 0 (Fe) 3 Composition (wt% C) Adapted from Binary Alloy Phase Diagrams, Vol. 1, 2nd edition, T. B. Massalski (Editor-in-Chief), 1990. Reprinted by permission of ASM International, Materials Park, OH. 6 25 -2500 -2000 1500 1000 6.70 Temperature (°F)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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