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11.15) Make a copy of the isothermal transforma- tion diagram for an iron-carbon alloy of eutectoid composition (Figure 11.14) and then sketch and label on this diagram time- temperature paths to produce the following microstructures: (a) 100% coarse pearlite. (b) 100% tempered martensite. (c) 50% coarse pearlite, 25% bainite, and pearl- 25% martensite.

11.15) Make a copy of the isothermal transforma- tion diagram for an iron-carbon alloy of eutectoid composition (Figure 11.14) and then sketch and label on this diagram time- temperature paths to produce the following microstructures: (a) 100% coarse pearlite. (b) 100% tempered martensite. (c) 50% coarse pearlite, 25% bainite, and pearl- 25% martensite.

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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11.15) Make a copy of the isothermal transforma- tion diagram for an iron-carbon alloy of eutectoid composition (Figure 11.14) and then sketch and label on this diagram time- temperature paths to produce the following microstructures:

(a) 100% coarse pearlite.

(b) 100% tempered martensite.

(c) 50% coarse pearlite, 25% bainite, and pearl- 25% martensite.

is, howe le mar- FIGURE 11.14 The complete isothermal transformation diagram for an iron-carbon alloy of eutectoid composition: A, austenite; B, bainite: M, martensite; P, pearlite. 800 1400 Eutectoid temperature 700 1200 A 600 1000 500 800 400 A 600 300 M(start) 50% 400 200 M+ A M(50%) M(90%) 100 200 10-1 10 102 103 104 105 Time (s) Temperature (°C) Temperature (F)
Transcribed Image Text:is, howe le mar- FIGURE 11.14 The complete isothermal transformation diagram for an iron-carbon alloy of eutectoid composition: A, austenite; B, bainite: M, martensite; P, pearlite. 800 1400 Eutectoid temperature 700 1200 A 600 1000 500 800 400 A 600 300 M(start) 50% 400 200 M+ A M(50%) M(90%) 100 200 10-1 10 102 103 104 105 Time (s) Temperature (°C) Temperature (F)
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