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2 A plain plain carbon steel of unknown composition is cooled...
Q2 What are the phases present at room temperature for steel of 0.76% C? Determine the...
Q2 What are the phases present at room temperature for steel of 0.76% C? Determine the composition & amounts of ferrite (a) and cementite (Fe3C) at room temperature in pearlite of eutectoid composition (0.76%C). Use attached Fe-Fe3C phase diagram or Fig. 9.24 in your text book. Composition (at% C) 10 25 1538°C TT - 1493°C 14008 1394°C 1147°C 4.30 y Austenite Temperature (°C) 1000 912°C y + Fezc 800 727°C 0.76 brol 600 0.022 a, Ferrite a + Fea Cementite...
a) Give the common name for the following phases – Q, y, Fe3C b) For a...
a) Give the common name for the following phases – Q, y, Fe3C b) For a composition of 1 wt% C, calculate the amounts of proeutectoid cementite and pearlite Composition (at% C) 10 15 5 20 25 1600 1538°C 1493°C L 1400 2500 1394°C 7+L 1200 1147°C 2.14 4.30 y, Austenite 2000 Temperature (°C) 1000 Temperature (°F) 912°C y + Fezc 800 1500 Q + y 727°C 0.76 600 0.022 a, Ferrite a + Fezc Cementite (Fe3C) 1000 400 0...
(12 Question 4: points: 4 pts each) Consider 3.0 kg of austenite containing 1.6 wt% C...
(12 Question 4: points: 4 pts each) Consider 3.0 kg of austenite containing 1.6 wt% C at 1100 °C, cooled to below 726 °C. (a) What is the proeutectoid phase? (b) How many kilograms of total ferrite and cementite form? (c) How many kilograms each of pearlite and the proeutectoid cementite form? Composition (at% C) 10 15 5 20 25 0 1600 1538°C 1493°C L 1400 S 1394°C 7+L 1200 1147°C 2.14 4.30 y, Austenite Temperature (°C) 1000 912°C y...
8. For the Fe-C diagram answer the following a) Give the common name for the following...
8. For the Fe-C diagram answer the following a) Give the common name for the following phases - a, Y, FeC b) Assume each of the given compositions has been slowly cooled under equilibrium conditions to 700°C. Draw the microstructure of each, taking care to annotate drawings fully, including identification of phases, microconstituents, and features. Also list each phase composition...... (6 points) 100.0% Fe 0.2%C, 99.8%Fe 0.6%C, 99.4%Fe 0.76%C, 99.24%Fe () () () c) For a composition of 1 wt%...
15. From the iron-carbon phase diagram (see Figure below) a. What are the concentrations of carbon...
15. From the iron-carbon phase diagram (see Figure below) a. What are the concentrations of carbon in each a-ferrite and Fe3C at a temperature just below 727°C? b. What are the phases involved in the eutectoid reaction? c. I am making a hyper-eutectoid steel with 2 wt%C. If I cool slowly from 1400°C, what phases and microstructure will I have at room temperature, assuming only equilibrium phases can be present? d. What is the euctectoid composition for Fe-C system shown...
Consider 1.1 kg of austenite containing 1.2 wt% C, cooled to below 727°C (1341°F). (a) How...
Consider 1.1 kg of austenite containing 1.2 wt% C, cooled to
below 727°C (1341°F). (a) How many kilograms of total ferrite form?
(b) How many kilograms of total cementite form? (c) How many
kilograms of pearlite form? (d) How many kilograms of the
proeutectoid phase form? The iron-iron carbide phase diagram is
shown in the Animated Figure 10.28
Composition = 0 wt% Composition = 0 at% emperature = 0 °C Temperature = 32 F Composition (at% C) 10 15 20...
3. For the Fe-C diagram answer the following ...(11 points) a) Give the common name for...
3. For the Fe-C diagram answer the following ...(11 points) a) Give the common name for the following phases - a, y, FezC...(1 point) b) Assume each of the given compositions has been slowly cooled under equilibrium conditions to 700°C. Draw the microstructure of each, taking care to annotate drawings fully, including identification of phases, microconstituents, and features. Also list each phase composition............(6 points) 100.0% Fe 0.2%C, 99.8%Fe 0.6%C, 99.4%Fe 0.76%C, 99.24%Fe () (0) () (0) c) For a composition...
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...
1) what phases are present? 2) what is the carbon content of the liquid? 3) what...
1) what phases are present?
2) what is the carbon content of the liquid?
3) what is the percent liquid present?
4)what temperature is necessary for the entire sample to be
liquid?
*please include calculations if they are used to find the
answer, thanks!*
10 Composition (at%C) 15 20 25 1600 1538°C 1493°C 1400 2500 1394°C +L 1200 1147°C V, Austenite 2.14 Temperature (°C) 2000 Temperature (°F) 1000 912°C y + Fe, C 800 1500 727°C 0.76 0.022 600 a...
please make sure it is correct What are the phase present in a 1040 steel at...
please make sure it is correct
What are the phase present in a 1040 steel at 500 °C ? Composition Cat C 10 15 20 25 1600 11538 C 2493C 1400 2500 1394-C y 1200 11470 2.14 4.30 7. Austenite 2000 Temperature ("C) Temperature (°F) 1000 912 C y+ Fezc 800 1500 727 C y 0.76 600 0.022 a, Ferrite a Fejc Cementite Fez 1000 400 5 6 6.70 Fe 3 4 Composition to Ferrite OL Cementite O II Ferrite...
Q2 What are the phases present at room temperature for steel of 0.76% C? Determine the composition & amounts of ferrite (a) and cementite (Fe3C) at room temperature in pearlite of eutectoid composition (0.76%C). Use attached Fe-Fe3C phase diagram or Fig. 9.24 in your text book. Composition (at% C) 10 25 1538°C TT - 1493°C 14008 1394°C 1147°C 4.30 y Austenite Temperature (°C) 1000 912°C y + Fezc 800 727°C 0.76 brol 600 0.022 a, Ferrite a + Fea Cementite...
a) Give the common name for the following phases – Q, y, Fe3C b) For a composition of 1 wt% C, calculate the amounts of proeutectoid cementite and pearlite Composition (at% C) 10 15 5 20 25 1600 1538°C 1493°C L 1400 2500 1394°C 7+L 1200 1147°C 2.14 4.30 y, Austenite 2000 Temperature (°C) 1000 Temperature (°F) 912°C y + Fezc 800 1500 Q + y 727°C 0.76 600 0.022 a, Ferrite a + Fezc Cementite (Fe3C) 1000 400 0...
(12 Question 4: points: 4 pts each) Consider 3.0 kg of austenite containing 1.6 wt% C at 1100 °C, cooled to below 726 °C. (a) What is the proeutectoid phase? (b) How many kilograms of total ferrite and cementite form? (c) How many kilograms each of pearlite and the proeutectoid cementite form? Composition (at% C) 10 15 5 20 25 0 1600 1538°C 1493°C L 1400 S 1394°C 7+L 1200 1147°C 2.14 4.30 y, Austenite Temperature (°C) 1000 912°C y...
8. For the Fe-C diagram answer the following a) Give the common name for the following phases - a, Y, FeC b) Assume each of the given compositions has been slowly cooled under equilibrium conditions to 700°C. Draw the microstructure of each, taking care to annotate drawings fully, including identification of phases, microconstituents, and features. Also list each phase composition...... (6 points) 100.0% Fe 0.2%C, 99.8%Fe 0.6%C, 99.4%Fe 0.76%C, 99.24%Fe () () () c) For a composition of 1 wt%...
15. From the iron-carbon phase diagram (see Figure below) a. What are the concentrations of carbon in each a-ferrite and Fe3C at a temperature just below 727°C? b. What are the phases involved in the eutectoid reaction? c. I am making a hyper-eutectoid steel with 2 wt%C. If I cool slowly from 1400°C, what phases and microstructure will I have at room temperature, assuming only equilibrium phases can be present? d. What is the euctectoid composition for Fe-C system shown...
Consider 1.1 kg of austenite containing 1.2 wt% C, cooled to
below 727°C (1341°F). (a) How many kilograms of total ferrite form?
(b) How many kilograms of total cementite form? (c) How many
kilograms of pearlite form? (d) How many kilograms of the
proeutectoid phase form? The iron-iron carbide phase diagram is
shown in the Animated Figure 10.28
Composition = 0 wt% Composition = 0 at% emperature = 0 °C Temperature = 32 F Composition (at% C) 10 15 20...
3. For the Fe-C diagram answer the following ...(11 points) a) Give the common name for the following phases - a, y, FezC...(1 point) b) Assume each of the given compositions has been slowly cooled under equilibrium conditions to 700°C. Draw the microstructure of each, taking care to annotate drawings fully, including identification of phases, microconstituents, and features. Also list each phase composition............(6 points) 100.0% Fe 0.2%C, 99.8%Fe 0.6%C, 99.4%Fe 0.76%C, 99.24%Fe () (0) () (0) c) For a composition...
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...
1) what phases are present?
2) what is the carbon content of the liquid?
3) what is the percent liquid present?
4)what temperature is necessary for the entire sample to be
liquid?
*please include calculations if they are used to find the
answer, thanks!*
10 Composition (at%C) 15 20 25 1600 1538°C 1493°C 1400 2500 1394°C +L 1200 1147°C V, Austenite 2.14 Temperature (°C) 2000 Temperature (°F) 1000 912°C y + Fe, C 800 1500 727°C 0.76 0.022 600 a...
please make sure it is correct
What are the phase present in a 1040 steel at 500 °C ? Composition Cat C 10 15 20 25 1600 11538 C 2493C 1400 2500 1394-C y 1200 11470 2.14 4.30 7. Austenite 2000 Temperature ("C) Temperature (°F) 1000 912 C y+ Fezc 800 1500 727 C y 0.76 600 0.022 a, Ferrite a Fejc Cementite Fez 1000 400 5 6 6.70 Fe 3 4 Composition to Ferrite OL Cementite O II Ferrite...
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