10 Questions
What is the crystal structure of the Fe3C (cementite) phase?
Orthorhombic
What is the approximate tensile strength of Fe3C (cementite)?
5,000 psi
What is the maximum solubility of carbon in α-ferrite at room temperature?
0.25%
What is the temperature of the eutectoid reaction in the Fe-Fe3C system?
727°C
What is the composition of the liquid phase in the eutectic reaction in the Fe-Fe3C system?
4.30% C
What is the maximum carbon content of the γ-austenite phase in the Fe-Fe3C system?
0.80% C
What is the composition of the pearlite phase in the Fe-Fe3C system?
α-Fe (0.025% C) + Fe3C (6.67% C)
What is the composition of the δ-ferrite phase in the Fe-Fe3C system?
0.55% C
What is the composition of the liquid phase in the peritectic reaction in the Fe-Fe3C system?
0.55% C
What is the percentage of the ledeburite phase in the Fe-Fe3C system?
17.8%
Test your knowledge on the Iron-Carbon phase diagram and the allotropic transformations in iron. Explore the different lattice structures of iron at varying temperatures and understand the significance of Cementite in the phase diagram.
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