Empirical interatomic potentials were derived for the description of C interstitial impurities in metals and intermetallic alloys, and potentials for Fe-C were described. The resultant potentials were used to predict the heats of solution of C in this metal and in some intermetallics.

Interatomic Potentials for Carbon Interstitials in Metals and Intermetallics. M.Ruda, D.Farkas, J.Abriata: Scripta Materialia, 2002, 46[5], 349-55