Thermodynamic Description of Ternary Fe-B-X Systems. Part 3: Fe-B-Mn/ Opis Termodynamiczny Trójsk?adnikowych Uk?adów Fe-B-X. Cz??? 3: Fe-B-Mn

摘要

A thermodynamic optimization of the ternary Fe-B-Mn system is presented. The thermodynamic parameters of the binary sub-systems, Fe-Mn, Fe-B and B-Mn, are taken from earlier assessments slightly modifying the B-Mn system description. The thermodynamic parameters of the Fe-B-Mn system are optimized in this study using literature experimental thermodynamic and phase equilibrium data. The solution phases of the system are described using the substitutional solution model and the borides are treated as stoichiometric or semi-stoichiometric phases of the (A,B)pCq type described with the two-sublattice models.