- Fe3C - Cementite -

Partial Phase Diagram for the system Fe-C:

Raghavan, V. Phase Diagrams of Ternary Iron Alloys, pt. 1 (1987)

Cementite:

• Fe3C

• The most stable iron carbide, but still metastable wrt/ a-Fe + C (gr)

• Ferromagnetic

• Orthorhombic

• 16 atoms / unit cell:
  • 4 C
  • 8 Feg (2 Fe-C bonds)
  • 4 Fes (3 Fe-C bonds)

Previous slide

Next slide

Back to first slide

View graphic version