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Mechanical Engineering - Engineering Materials - Discussion

Discussion Forum : Engineering Materials - Section 4 (Q.No. 33)
Engineering Materials
33.
Which of the following statement is wrong?
A steel with 0.8% carbon is wholly pearlite
The amount of cementite increases with the increase in percentage of carbon in iron
A mechanical mixture of 87% cementite and 13% ferrite is called pearlite
The cementite is identified as round particles in the structure
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.
Manikanta G said:   8 months ago
It is a Eutectoid mixture, not a mechanical mixture.
Vinod said:   1 decade ago
87% ferrite, 13% cementite.
(1)
Jimmy said:   1 decade ago
It's not mechanical mixture but interstitial solid state mixture.
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