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 4

Thermodynamic parameters for the B-Mn-V system developed in the present work.

Phase	Parameters
M2B	L0(Mn, V : B) = −65000
	L1(Mn, V : B) = −85000
MB	L0(Mn, V : B) = −263490 + 130T
V3B2	L0(Mn, V : B) = −186690
V3B4	L0(Mn, V : B) = −310000
	L1(Mn, V : B) = 106000
	L2(Mn, V : B) = 180000
VB	L0(Mn, V : B) = −128000
Mn3B4	L0(Mn, V : B) = −500000
	L1(Mn, V : B) = −5000
	L2(Mn, V : B) = −10000
MB2	L0(Mn, V : B) = −49000
	L1(Mn, V : B) = −4000
	L2(Mn, V : B) = 13540 + 12.53T
α-Mn	G0(V : B) = GVBCC + GBβB + 2000
β-Mn	G0(V : B) = GVBCC + GBβB + 2000