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Ferrite — M2C coherent phase equilibrium in AF1410 Steel |
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| Authors: | H Grujicic G B Oison |
| Affiliation: | Department: of Materials Science and Engineering Massachusetts Institute of Technology Cambridge, Massachusetts 02139, UK |
| Abstract: | A Model for coherent ferrite/M2C carbide equilibrium is applied to AF1410 steel. The contribution fron coherent elastic energy to the Gibbs free energy has been expressed in a format compatible with the Redlich-Kister-Muggianu extrapolation formula for multicomponent phases. An equilibrium calculation at the standard tempering temperature of 510C predicts a substantial deviation from stoichiometry and a measurable solubility of iron in the M2C phase, both of which have been verified experimentally. |
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