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Using the CCT diagram for the 1044 alloys provided in Appendix 3, determine the following: for a the normalized sample. for the water quenched sample. a) The microstructure b) The microstructure

Using the CCT diagram for the 1044 alloys provided in Appendix 3, determine the following: for a the normalized sample. for the water quenched sample. a) The microstructure b) The microstructure

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Using the CCT diagram for the 1044 alloys provided in Appendix 3, determine the following: for a the normalized sample. for the water quenched sample. a) The microstructure b) The microstructure
Transcribed Image Text:Using the CCT diagram for the 1044 alloys provided in Appendix 3, determine the following: for a the normalized sample. for the water quenched sample. a) The microstructure b) The microstructure
13 °C 900 800 700 600 500 400 300 200 100 S CONTINUOUS COOLING TRANSFORMATION DIAGRAM '44' C ANALYSIS Wt% (See note on page 8) Mn PS Cr 0.81 0.035 0.037 0.14 Ac, Ac₁ M₂ mm 0,1 BAR 15 DIAMETER C Si 0.44 0.28 10 M 0.2 10 + + I 20 A 50 5 Mo 0.04 50 AUSTENITISED AT 850 C PREVIOUS TREATMENT ROLLED 1000 COOLING RATE AT 700 C Ni Al 0.15 500 200 100 10 - 100 20 Nb 50 50 100 150 200 V Cu 0.12 20 10 C PER MIN 100 200 1 300 150 200 300 500 500 Sn 0.016 5 START] FINISH 500 1000 mm OIL -mm WATER 10% 50% 90% 2000 mm LAIR Figure A3-2: CCT diagram for AISI 1044 with applicable 20 mm bar diameter annotation for water (black dashed line) and air (red dashed line). F = ferrite, P = pearlite, B = bainite and M = martensite.
Transcribed Image Text:13 °C 900 800 700 600 500 400 300 200 100 S CONTINUOUS COOLING TRANSFORMATION DIAGRAM '44' C ANALYSIS Wt% (See note on page 8) Mn PS Cr 0.81 0.035 0.037 0.14 Ac, Ac₁ M₂ mm 0,1 BAR 15 DIAMETER C Si 0.44 0.28 10 M 0.2 10 + + I 20 A 50 5 Mo 0.04 50 AUSTENITISED AT 850 C PREVIOUS TREATMENT ROLLED 1000 COOLING RATE AT 700 C Ni Al 0.15 500 200 100 10 - 100 20 Nb 50 50 100 150 200 V Cu 0.12 20 10 C PER MIN 100 200 1 300 150 200 300 500 500 Sn 0.016 5 START] FINISH 500 1000 mm OIL -mm WATER 10% 50% 90% 2000 mm LAIR Figure A3-2: CCT diagram for AISI 1044 with applicable 20 mm bar diameter annotation for water (black dashed line) and air (red dashed line). F = ferrite, P = pearlite, B = bainite and M = martensite.
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