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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?

  1. Martensite
  2. Austenite
  3. Cementite
  4. 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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