Essential Magnesium Alloys Binary Phase Diagrams and Their Thermochemical Data

Table 24

Optimized model parameters of the Mg-Ce system [42].

Phase	Parameters; Δ𝑔^0 and ^0𝐿 in J/mole, ^oΔ𝐻 in J/mole·atom and ^oΔ𝑆 in J/mole·atom·K
	Z^MgMgCe=2, Z^CeCeMg=6;
Liquid	Δ𝑔^0MgCe=−15914.4+7.44𝑇; Δ𝑔^10MgCe=−9632.4+2.51𝑇;
	Δ𝑔^01MgCe=−8371.8
Mg-hcp	^0𝐿^Mg-hcp= −24 486.4
𝛿-Ce	^0𝐿^𝛿-Ce=−15600.7−9.75𝑇; ^1𝐿^𝛿-Ce=−9003
𝛾-Ce	^0𝐿^𝛾-Ce=−9277.0𝑇;
CeMg	^oΔ𝐻^CeMgCe,Mg=−14300.0; ^oΔ𝑆^CeMgCe,Mg=−2.52
CeMg2	^oΔ𝐻^CeMg2Ce,Mg=−15816.3; ^oΔ𝑆^CeMg2Ce,Mg=−3.43
CeMg3	^oΔ𝐻^CeMg3Ce,Mg=−19000.0; ^oΔ𝑆^CeMg3Ce,Mg=−6.62
Ce5Mg41	^oΔ𝐻^Ce5Mg41Ce,Mg=−12521.8; ^oΔ𝑆^Ce5Mg41Ce,Mg=−6.50
Ce2Mg17	^oΔ𝐻^Ce2Mg17Ce,Mg=−11363.5; ^oΔ𝑆^Ce2Mg17Ce,Mg=−5.40
CeMg12	^oΔ𝐻^CeMg12Ce,Mg=−10931.1; ^oΔ𝑆^CeMg12Ce,Mg=−6.65