Essential Magnesium Alloys Binary Phase Diagrams and Their Thermochemical Data

Table 14

Optimized model parameters of the Mg-Sr system [41].

Phase	Parameters; Δ𝑔^0 in J/mole, ^oΔ𝐻 in J/mole·atom and ^oΔ𝑆 in J/mole·atom·K
Liquid	Z^MgMgSr=4, Z^SrSrMg=6; Δ𝑔^0MgSr=−7425.6+2.59𝑇; Δ𝑔^10MgSr=−1417.3+0.54𝑇; Δ𝑔^01MgSr= 1 938.0
Mg2Sr	^oΔ𝐻^Mg2SrMg,Sr=−10300.0; ^oΔ𝑆^Mg2SrMg,Sr = −1.88
Mg38Sr9	^oΔ𝐻^Mg38Sr9Mg,Sr = −6 038. 3; ^oΔ𝑆^Mg38Sr9Mg,Sr = −0.25
Mg23Sr6	^oΔ𝐻^Mg23Sr6Mg,Sr = −6 496.5; ^oΔ𝑆^Mg23Sr6Mg,Sr = −0.39
Mg17Sr2	^oΔ𝐻^Mg17Sr2Mg,Sr = −3 631.6; ^oΔ𝑆^Mg17Sr2Mg,Sr = 0.01