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Austenite (sloble) Coarse pearlite R/C 15 Medium pearlite R/C 30 Fine pearlite R/C 40 Upper boinite R/C 40 25% Austenite (unstable) A+F+C Lower bainile R/C 60 Ms Martensite R/C 64 -njoaduu

Austenite (sloble) Coarse pearlite R/C 15 Medium pearlite R/C 30 Fine pearlite R/C 40 Upper boinite R/C 40 25% Austenite (unstable) A+F+C Lower bainile R/C 60 Ms Martensite R/C 64 -njoaduu

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
Problem 1.1MA
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Look at the Cooling Curves Superimposed on a TTT diagram below. Then, match the correct cooling curve to the description.

 

 

(NOTE: image is attached and the area that needs answering is also attached as a photo)

Austenite (sloble) Coarse pearlite R/C 15 Medium pearlite R/C 30 Fine pearlite R/C 40 Upper boinite R/C 40 25% 8 星垂 Austenite (unstable) A+F+C Lower bainile R/C 60 Ms Mortensite R/C 64 Time, log scole
Transcribed Image Text:Austenite (sloble) Coarse pearlite R/C 15 Medium pearlite R/C 30 Fine pearlite R/C 40 Upper boinite R/C 40 25% 8 星垂 Austenite (unstable) A+F+C Lower bainile R/C 60 Ms Mortensite R/C 64 Time, log scole
It would be the approximate critical cooling rate for this А. steel. O Cooling Curve 1 It shows a very slow cooling rate typical of a В. conventional or full annealing process O Cooling Curve 3 O Cooling Curve 4 C. It may be considered typical of normalizing. O Cooling Curve 7 The transformation to fine pearlite will continue until the D. cooling curve becomes tangent to some percentage transformed.
Transcribed Image Text:It would be the approximate critical cooling rate for this А. steel. O Cooling Curve 1 It shows a very slow cooling rate typical of a В. conventional or full annealing process O Cooling Curve 3 O Cooling Curve 4 C. It may be considered typical of normalizing. O Cooling Curve 7 The transformation to fine pearlite will continue until the D. cooling curve becomes tangent to some percentage transformed.
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