GATE 2021 PI – Question 16
General Engineering · Engineering Materials · 1 mark · Multiple choice
Pearlite in eutectoid steel consists of alternating layers of α-ferrite and which phase?
- Martensite
- Austenite
- Cementite
- Bainite
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Show answer and explanation
Correct answer: (C) Cementite
Explanation
The eutectoid decomposition of austenite forms lamellar ferrite and cementite Fe₃C. Their aggregate is pearlite. **C**.
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