Steel Tensile Sample Electron Backscatter Diffraction (EBSD)

Maps from a steel tensile sample with very coarse grains showing austenite in a retained ferrite matrix.

The peak in the misorientation distribution function (MDF) at 45 degrees about 100 is equivalent to the Bain relation for smallest atom movement to produce a bcc structure from an fcc lattice. ([110] directions in an (001) plane of the bcc lattice align with [100] directions of the fcc lattice). The MDFs for all of the scans were quite similar to the one shown here.

Steel Tensile Sample Electron Backscatter Diffraction (EBSD)

Steel Tensile Sample Electron Backscatter Diffraction (EBSD)