-SCShow Attempt HistoryCurrent Attempt in ProgressConsider 6.8 kg of austenite containing 0.43 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?See Animated Figure 9.24Part 1Part 2How many kilograms of total ferrite and cementite form?(a) ma =kg(b) mFe, C1iSave for LaterQ= iF12WF2#3kg80F3E4000000F4R%F5TMacBook Pro< 6AAttempts: 0 of 5 used6Y&7AAF7U* escPart 2How many kilograms of total ferrite and cementite form?(a) ma = ikg(b) mFe, C =Save for LaterPart 3How many kilograms of pearlite and proeutectoid ferrite form?(a) mp =ikg(b) m = ieTextbook and MediaSave for Later!1QF1@2F2W#3kgkg80F3ECDS4000000F4R%5F5T< 6MacBook ProA6Attempts: 0Attempts: 0 of 5F6Y&7

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Current Attempt in Progress Consider 6.8 kg of austenite containing 0.43 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? See Animated Figure 9.24 Part 1 Part 2 How many kilograms of total ferrite and cementite form? kg (a) ma (b) mFe, C Mi = i IN Save for Later kg Attempts10

Current Attempt in Progress Consider 6.8 kg of austenite containing 0.43 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? See Animated Figure 9.24 Part 1 Part 2 How many kilograms of total ferrite and cementite form? kg (a) ma (b) mFe, C Mi = i IN Save for Later kg Attempts10

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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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) 1600 1400 1200 1000 800 600 1538°C 400 0 -1493°C 1394°C 912°C y, Austenite 0.76 0.022 a, Ferrite 5 Y+L 2.14 Composition (at% C) 15 10 1147°C a + Fe3C L 4.30 y + Fe3C 727°C 20 Cementite (Fe3C) 5 6 4 (Fe) 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. 25 2500 2000 1500 -1000 6.70 Temperature (°F)
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Consider 2.0 kg of austenite containing 0.5 wt% C and cooled to just below 727°C (1341°F). (a) What is the proeutectoid phase? (b) How many kilograms each of pearlite, the proeutectoid phase, and cementite form?
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