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2. The mass fractions of ferrite and cementite in an iron-carbon alloy are 0.88 and 0.12,...
The microstructure of an iron-carbon alloy consists of proeutectoid cementite and pearlite; the mass fractions of...
The microstructure of an iron-carbon alloy consists of proeutectoid cementite and pearlite; the mass fractions of these microconstituents are 0.12 and 0.88, respectively. Determine the concentration of carbon in this alloy. The iron-iron carbide phase diagram is shown in the Animated Figure 9.24. wt%C Composition = 0 wt% C Composition = 0 at% C Temperature = 400 °C Temperature = 752 F 2025 Composition (at% C) 10 15 160025 1600 97538 9493 °C 1400 1400 2500 | 1394 °C y+L...
What is the proeutectoid phase for an iron-carbon alloy in which the mass fractions of total...
What is the proeutectoid phase for an iron-carbon alloy in which the mass fractions of total ferrite and total cementite are 0.96 and 0.04, respectively? See Animated Figure 9.24 Part 1 What are the concentrations of carbon in a-ferrite and FeyCat a temperature just below 727°C? You may want to use Animated Figure 9.24 (a) C = i (b) Cre,c = i Save for Later Attempts:0 of 1 used Submit Answer Part 2 Compute the composition of an iron-carbon alloy...
3. What is the proeutectoid phase for an iron-carbon alloy in which the mass fractions of...
3. What is the proeutectoid phase for an iron-carbon alloy in which the mass fractions of total ferrite and total cementite are 0.89 and 0.11, respectively? Why?
...cementite and pearlite; the mass fraction these microconstituents are 0.17 and 0.83, respectively. Determine. a) the...
...cementite and pearlite; the mass fraction these
microconstituents are 0.17 and 0.83, respectively. Determine. a)
the concentration of carbon on this alloy and b) is this alloy
hypereutectoid?
* Question Completion Status: Question 13 The microstructure of an iron-carbon alloy consists of proeutectoid cementite and pearlite; alloy hypoeutectoid or hypereutectoid? 1600 10 15 25 150C 14936 1400 13940 2500 1200 1147 Austenie 2.14 4.30 1 Temperature 2000 1000 9126 Tempenture () y. Feyc 300 727°C 1500 0.76 0.022 Femte 600...
material Question 3: For an Iron-Iron Carbide (Fe-FesC) phase diagram, answer the following for 5.0 wt%...
material
Question 3: For an Iron-Iron Carbide (Fe-FesC) phase diagram, answer the following for 5.0 wt% C 10 Points How many phases are possible at this composition and what will be the melting temperature at this a) composition? b) the alloy is hypocutectic or hypereutectoid at 800°C at this composition ? c) the alloy is hypocutectic or hypereutectoid at 600°C at this composition? d) composition and amount of each phase at 1250°C at this composition e) composition and amount of...
6. The microstructure of an iron-carbon alloy consists are of an iron-carbon alloy consists of procutectoid...
6. The microstructure of an iron-carbon alloy consists are of an iron-carbon alloy consists of procutectoid cementite and pearlite, the mass fraction of these microconstituents are 0.17 and of these microconstituents are 0.17 and 0.83, respectively. Determine, a) the concentration of carbon on this alloy and by the phase limit compositions (15 pts) 7+ Fec Temperature + Fec 6.70 0.022 0.76 V+X) (Pearlite); Ci Wrc = V/(V+X) (proeutectoid cementite)
The phase diagram for the iron-carbon Fe-C system is shown below. use it to answer the...
The phase diagram for the iron-carbon Fe-C system is shown
below. use it to answer the following questions
a) How many different solid allotropes (phases) does pure iron
have?
b) what is the maximum carbon solubility of carbon in
austentite?
c) what is the maximum carbon solubility of carbon in
ferrite?
d)On cooling the following phase reaction occurs at 0.76% C and
727*c y--> alpha + Fe3C. On cooling what phase reaction occurs
at .16% C and 1493*c?
e)For a...
4. (12 marks) This question pertains to the iron-iron carbide phase dingrane below 1%)() 2.11 43...
4. (12 marks) This question pertains to the iron-iron carbide phase dingrane below 1%)() 2.11 43 Ai 0.77 727"C 6.67 500 0.0218 Fe,C Weight percent carborn For a Fe-0.6 wt% C alloy at temperature just below the eutectoid. (a) calculate the fractions of total ferrite and cementite phases b) Calculate fractions of the proeutectoid ferrite and pearlite.
8. The mass fraction of eutectoid cementite in an iron-carbon alloy is 0.109. on the basis...
8. The mass fraction of eutectoid cementite in an iron-carbon alloy is 0.109. on the basis of this information, is it possible to determine the composition of the alloy? If so, what is its composition? If this is not possible, explain why.
Determine the amount of pearlite in 99.5% Fe - 0.5% C alloy that is cooled slowly...
Determine the amount of pearlite in 99.5% Fe - 0.5% C
alloy that is cooled slowly from 870 degrees Celsius to just below
the eutectoid temperature. Also determine the amount of cementite
and ferrite at 726 degrees Celsius. Use 100g of alloy as your
base.
Fe Fe C Phase Diagram 1400 Entectic point 1200- 1147? 2.14 4.30 ? Ferrite ? Austenite ? Ferrite FeC Cementite 7-Austenite 912C 74 Fe-C Ledeburte ? + Fee Pearlite 800 72T C proint 0.022 600...
The microstructure of an iron-carbon alloy consists of proeutectoid cementite and pearlite; the mass fractions of these microconstituents are 0.12 and 0.88, respectively. Determine the concentration of carbon in this alloy. The iron-iron carbide phase diagram is shown in the Animated Figure 9.24. wt%C Composition = 0 wt% C Composition = 0 at% C Temperature = 400 °C Temperature = 752 F 2025 Composition (at% C) 10 15 160025 1600 97538 9493 °C 1400 1400 2500 | 1394 °C y+L...
What is the proeutectoid phase for an iron-carbon alloy in which the mass fractions of total ferrite and total cementite are 0.96 and 0.04, respectively? See Animated Figure 9.24 Part 1 What are the concentrations of carbon in a-ferrite and FeyCat a temperature just below 727°C? You may want to use Animated Figure 9.24 (a) C = i (b) Cre,c = i Save for Later Attempts:0 of 1 used Submit Answer Part 2 Compute the composition of an iron-carbon alloy...
3. What is the proeutectoid phase for an iron-carbon alloy in which the mass fractions of total ferrite and total cementite are 0.89 and 0.11, respectively? Why?
...cementite and pearlite; the mass fraction these
microconstituents are 0.17 and 0.83, respectively. Determine. a)
the concentration of carbon on this alloy and b) is this alloy
hypereutectoid?
* Question Completion Status: Question 13 The microstructure of an iron-carbon alloy consists of proeutectoid cementite and pearlite; alloy hypoeutectoid or hypereutectoid? 1600 10 15 25 150C 14936 1400 13940 2500 1200 1147 Austenie 2.14 4.30 1 Temperature 2000 1000 9126 Tempenture () y. Feyc 300 727°C 1500 0.76 0.022 Femte 600...
material
Question 3: For an Iron-Iron Carbide (Fe-FesC) phase diagram, answer the following for 5.0 wt% C 10 Points How many phases are possible at this composition and what will be the melting temperature at this a) composition? b) the alloy is hypocutectic or hypereutectoid at 800°C at this composition ? c) the alloy is hypocutectic or hypereutectoid at 600°C at this composition? d) composition and amount of each phase at 1250°C at this composition e) composition and amount of...
6. The microstructure of an iron-carbon alloy consists are of an iron-carbon alloy consists of procutectoid cementite and pearlite, the mass fraction of these microconstituents are 0.17 and of these microconstituents are 0.17 and 0.83, respectively. Determine, a) the concentration of carbon on this alloy and by the phase limit compositions (15 pts) 7+ Fec Temperature + Fec 6.70 0.022 0.76 V+X) (Pearlite); Ci Wrc = V/(V+X) (proeutectoid cementite)
The phase diagram for the iron-carbon Fe-C system is shown
below. use it to answer the following questions
a) How many different solid allotropes (phases) does pure iron
have?
b) what is the maximum carbon solubility of carbon in
austentite?
c) what is the maximum carbon solubility of carbon in
ferrite?
d)On cooling the following phase reaction occurs at 0.76% C and
727*c y--> alpha + Fe3C. On cooling what phase reaction occurs
at .16% C and 1493*c?
e)For a...
4. (12 marks) This question pertains to the iron-iron carbide phase dingrane below 1%)() 2.11 43 Ai 0.77 727"C 6.67 500 0.0218 Fe,C Weight percent carborn For a Fe-0.6 wt% C alloy at temperature just below the eutectoid. (a) calculate the fractions of total ferrite and cementite phases b) Calculate fractions of the proeutectoid ferrite and pearlite.
8. The mass fraction of eutectoid cementite in an iron-carbon alloy is 0.109. on the basis of this information, is it possible to determine the composition of the alloy? If so, what is its composition? If this is not possible, explain why.
Determine the amount of pearlite in 99.5% Fe - 0.5% C
alloy that is cooled slowly from 870 degrees Celsius to just below
the eutectoid temperature. Also determine the amount of cementite
and ferrite at 726 degrees Celsius. Use 100g of alloy as your
base.
Fe Fe C Phase Diagram 1400 Entectic point 1200- 1147? 2.14 4.30 ? Ferrite ? Austenite ? Ferrite FeC Cementite 7-Austenite 912C 74 Fe-C Ledeburte ? + Fee Pearlite 800 72T C proint 0.022 600...
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