microstructure that consists of alternating layers of two phases (α-iron (ferrite) and Fe₃C (cementite)) that form simultaneously during the eutectoid transformation

microstructure that consists of two phases (γ-iron (austenite) and Fe₃C (cementite) ) that form during the eutectic transformation

mother-of-pearl

microstructure found in steel alloys consisting of sphere-like cementite particles within an α-iron (ferrite) matrix