TemperatureTemperatureCy Austenitea Ferrite8=Delta ironCM CementiteЗо008+L28022в002720=15391492L26008+ YCM begins2552Primary to solidiftyaustenitebegins tosolidity4002400Austenite inYliquid2200L+FeyC2066° F20662000Austenite solid solutionof carbon in gamma ironи3оFeCAustentiteledeburiteandcementite1800Magnetic (414 F)1/point AАсм6701600910YFeCAz ACementiteandledeburiteAusteniteto pearlite7601333F4001333A,2,3723A1200Pearlite and CementiteCementite, pearliteand transformed0.025Pearliteandferritea Fe-C ledeburite000Magnetic change of FeCAo410210o.008%4.36,670.500.83% 1%3% .2%4%5%6% 65%Hyper-eutectoid-Hypo-eutectoid-SteelCast Iron

Question
Asked Sep 19, 2019
61 views

A 609 g eutectoid steel ( about 0.8%C) is heated to 1,002 C and cooled slowly through the eutectorid temperature. This results in the formation of  cementite Fe3C (6.67%C) and ferrite (0.025%C). Calculate the number of grams of cementite that form in the steel.

Temperature
Temperature
C
y Austenite
a Ferrite
8=Delta iron
CM Cementite
Зо00
8+L
2802
2в00
2720
=
1539
1492
L
2600
8+ Y
CM begins
2552
Primary to solidifty
austenite
begins to
solidity
400
2400
Austenite in
Y
liquid
2200
L+FeyC
2066° F
2066
2000
Austenite solid solution
of carbon in gamma iron
и3о
FeC
Austentite
ledeburite
and
cementite
1800
Magnetic (414 F)
1/point A
Асм
670
1600
910
YFeC
Az A
Cementite
and
ledeburite
Austenite
to pearlite
760
1333F
400
1333
A,2,3
723
A
1200
Pearlite and Cementite
Cementite, pearlite
and transformed
0.025
Pearlite
and
ferrite
a Fe-C ledeburite
000
Magnetic change of FeC
Ao
410
210
o.008%
4.3
6,67
0.50
0.83% 1%
3% .
2%
4%
5%
6% 65%
Hyper-eutectoid-
Hypo-eutectoid-
Steel
Cast Iron
help_outline

Image Transcriptionclose

Temperature Temperature C y Austenite a Ferrite 8=Delta iron CM Cementite Зо00 8+L 2802 2в00 2720 = 1539 1492 L 2600 8+ Y CM begins 2552 Primary to solidifty austenite begins to solidity 400 2400 Austenite in Y liquid 2200 L+FeyC 2066° F 2066 2000 Austenite solid solution of carbon in gamma iron и3о FeC Austentite ledeburite and cementite 1800 Magnetic (414 F) 1/point A Асм 670 1600 910 YFeC Az A Cementite and ledeburite Austenite to pearlite 760 1333F 400 1333 A,2,3 723 A 1200 Pearlite and Cementite Cementite, pearlite and transformed 0.025 Pearlite and ferrite a Fe-C ledeburite 000 Magnetic change of FeC Ao 410 210 o.008% 4.3 6,67 0.50 0.83% 1% 3% . 2% 4% 5% 6% 65% Hyper-eutectoid- Hypo-eutectoid- Steel Cast Iron

fullscreen
check_circle

Expert Answer

Step 1

Refer to the given figure and write the expression for the amount of...

help_outline

Image Transcriptionclose

%0.8 C0.80-0.025 6.67 0.025 =0.117 %

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Engineering

Mechanical Engineering

Material Science

Related Mechanical Engineering Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: QUESTION 3 A high-pressure axial compressor for a stagnation pressure ratio of 8.5. The mass flow ra...

A: Write the expression for stagnation pressure ratio. 

question_answer

Q: True or False: Objects on a layer that is frozen can be seen but not modified.

A: The AutoCAD will hide the objects in the particular layer upon freezing it.Thus the objects in froze...

question_answer

Q: The Scotch-yoke mechanism converts rotational motion of the disk to oscillatory translation of the s...

A: Draw the schematic diagram of the system. 

question_answer

Q: 13.1-4. Temperature Distribution in a Hollow Sphere. Derive Eq. (13.1-18) for the steady- state cond...

A: Consider a hollow sphere of constant density and thermal conductivity.Let the outer surface is at te...

question_answer

Q: 3. Water flowing through a pipe assumes a laminar-flow velocity profile at some section is parabolic...

A: Consider the given water flow through the pipe

question_answer

Q: Question 4 A beam made up of two unequal leg angles is subjected bending moment M having to a its ve...

A: Refer “PROPERTIES OF EUROPEAN UNEQUAL ANGLES”.

question_answer

Q: The disc rolls such that the angular acceleration= 4 rad/s2 and and the angular velocity=2 rad/s. As...

A: Write the expression to obtain the acceleration of point C. 

question_answer

Q: A steam turbine at steady state is operated at part load by throttling the steam to a lower pressure...

A: Frist we have to draw the line diagram by using assumptions given in the problem 

question_answer

Q: Calculate the maximum velocity of slider B if the system is released from rest with x y. Motion is i...

A: Refer the given figure and apply the Pythagorean Theorem.