Cementite with a granular pearlite structure was investigated using electron microscopy. It was established that, in the early stages of deformation, carbide particles were deformed by the movement of stacking faults, which were characterized by an α[010] partial shift in the (001) planes of cementite. The Burgers vector, the [010](001) slip plane of the split dislocations forming pile-ups, and deformation bands were determined using gb analysis. The stacking-fault energy was estimated in a (001) cementite plane to be about 12.8mJ/m2. With increasing degree of deformation, additional slip was shown to occur in cementite via [100](011).

Dislocation Structure of Cementite in Granular Pearlite after Cold Plastic Deformation. L.E.Karkina, T.A.Zubkova, I.L.Yakovleva: Physics of Metals and Metallography, 2013, 114[3], 234-41