Question:
Which is the hardest structure that appears on the Fe-C equilibrium diagram?
Which is the hardest structure that appears on the Fe-C equilibrium diagram?
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Cementite is a hard, brittle phase in steel that can significantly influence the mechanical properties of steel alloys.
Updated On: May 5, 2025
- Ferrite
- Pearlite
- Austenite
- Cementite
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The Correct Option is D
Solution and Explanation
Cementite (Fe$_3$C) is the hardest structure that appears in the Fe-C equilibrium diagram, and it plays a critical role in the hardness of steel.
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