Experimental Study of Phase Composition of B-Fe-Mn-V Alloys and Thermodynamic Calculations of Phase Equilibria in the B-Mn-V and B-Fe-Mn-V Systems

Table 2

Thermodynamic parameters for the Fe-Mn-V system from the work [8].

Phase	Parameters
σ	G0(Fe : V : Mn) = 8GFEFCC + 4GVBCC + 18∗GHSERMN − 200000
	G0(Mn : V : Fe) = 8GMNFCC + 4GVBCC + 18GFEBCC − 150000;
	L0(V : Mn, V) = −100000
	L0(V : FE, V; 0) = −300000
FCC	L0(Fe, Mn : Va) = −7762 + 3.865T
	L1(Fe, Mn : Va) = −259
BCC	L0(Fe, Mn : Va) = −2759 + 1.237T
α-Mn	G(V : Va) = GVBCC + 9000
	L0(Fe, Mn : Va) = −10184
	L0(Mn, V : Va; 0) = −22225
β-Mn	G(V : Va) = GVBCC + 10000
	L0(Fe, Mn : Va; 0) = −11518 + 2.819T
	L0(Mn, V : Va) = −17724