Essential Magnesium Alloys Binary Phase Diagrams and Their Thermochemical Data

Table 21

Optimized model parameters of the Mg-Ni system [45].

Phase	Parameters; Δ𝑔^0 and ^0𝐿 in J/mole
Liquid	Z^MgMgNi=2,Z^NiNiMg=4; Δ𝑔^0MgNi= −16 829.4 + 5.02𝑇; Δ𝑔^10MgNi= −15 068.9 + 10.49𝑇; Δ𝑔^01MgNi=−16345.6+1.26𝑇
Mg-hcp	^0𝐿^Mg-hcp=3767.2
Ni-fcc	^0𝐿^Ni-fcc=36835.0
Mg2Ni*	Δ𝐺𝑓=−16075.7+4.66𝑇 (J/mole·atom)
MgNi2^∗; (Mg%, Ni)1; (Mg, Ni%)2	^o𝐺^MgNi2Mg:Mg=8332.6+12.65𝑇; ^o𝐺^MgNi2Mg:Ni=−21431.0+25.24𝑇−9.39𝑇ln𝑇+22.17×10^−4𝑇^2+6.66×10^4𝑇^−1; ^o𝐺^MgNi2Ni:Mg=23343.37+4.66𝑇; ^o𝐺^MgNi2Ni:Ni= 4 908.55 + 7.0𝑇; (J/mole·atom)

∗Modified in this work.