Q277
Which of the following statement is wrong?
A.
Steel with 0.8% carbon is wholly pearlite
B.
The amount of cementite increases with the increase in percentage of carbon in iron
C.
A mechanical mixture of 87% cementite and 13% ferrite is called pearlite
AnswerD.
The cementite is identified as round particles in the structure
Answer: Option C
Solution
Answer: Option C
Solution:
Pearlite is a Mixture of Ferrite and Cementite (alternately arranged as like pearls)obtain 100% pearlite at 727 deg.C.
Soft Phase than Austenite but posses better strength than Ferrite.