# Fileset

[Figures.pdf](https://mdr.nims.go.jp/filesets/4984aa70-f123-4acd-a837-361bdf9a5b30/download)

## Creator

[Ikuo Ohnuma](https://orcid.org/0000-0003-4874-4941), Kwangsik Han, Inho Lee, Takako Yamashita, Ryosuke Kainuma

## Rights

This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: https://doi.org/10.1007/s11669-024-01110-1[In Copyright](http://rightsstatements.org/vocab/InC/1.0/)

## Other metadata

[Thermodynamic Evaluation of the Fe-Zn Binary System with Reference to the Latest Experimental Phase Diagram](https://mdr.nims.go.jp/datasets/f54cb2cb-afec-4245-b6cb-f74d5766b78b)

## Fulltext

F01_Exp-PD_v2Han et al. [32]Burton et al. [23] Han et al. [32]Burton et al. [23]Fe 205.640 60 80 Znat.%Zn1600140012001000600800400300Temperature,T /°C LiquidΓδ1kδ1kδ1pδ1pζ(αFe)para(αFe)ferroΓ1Γ1 (ηZn)(γFe)(γFe)(a) Fe-Zn phase diagram (b) Fe-Zn phase diagram (IMCs)900700500300800600400450at.%Zn60 70 80 90 Zn69.369.3ΓζLiq.(ηZn)(ηZn)δ1pδ1kΓ1Γ1419.3°C419.3°C420410425415430LZn98.5 99.599.0ζ + (ηZn)(ηZn)at.%Zn(c) Fe solubility in liquid and ηZn417.4°C417.4°Cζ + Lζ + LCalculated (TCFE12)Calculated (TCFE12)Han et al. [32]Figure 1  Phase diagrams of the Fe-Zn binary system experimentally determined by Han et al. [32] 00.0020.0040.0060.0080.0100.0120.0140.0160.0180.020Fe 0.001 0.002 0.003 0.004 0.005 0.006T = 344°Cactivity of Zn in liquid (ref. Liquid)x(Zn)Fe 20 40 60 80 Znat.% Zn-6-5-4-3-2-10Gibbs energy of formation /kJ. mol-1T = 1585°CDimov [20]Stell [16]Gellings [21]Cigan [17](a)(b)(a) Comparison of the activity of Zn in Fe-rich liquid alloys calculated at 1585°C with experimental data [16,20]. (b) Comparison of the formation Gibbs energy of Fe-Zn alloys calculated at 344°C with experimental data [17,21].Figure 32004006008001000120014001600Temperature, T /°CFe 20 40 60 80 Znat.% Zn(a) Calculated phase diagram30040050060070080090060 70 80 90 ZnTemperature, T /°Cat.% Zn35040045050098.0 98.5 99.0 99.5 Znat.% ZnαFeΓζδ1kδ1kΓ1Γ1Liquidpresent workTCFE12Han et al.[32]Kirchner [4]γFeγFeδ1pδ1p(ηZn)800900100011001200130014001500Fe 2 4 6 8 10at.% ZnαFeγFe(b) Calculated γ-loopΓζδ1kδ1kΓ1Γ1Liquidδ1pδ1pLiquidζ + Liquidζ + (ηZn)(ηZn)(ηZn)(d) Calculated Fe solubility in (Zn)(ηZn)(c) Calculated equilibria : Zn-rich IMC phasesComparison of the phase diagrams of the Fe-Zn binary system calculated in this study with the phase diagrams calculated using the TCFE12 thermodynamic database and experimental data [4,32]. Calculated miscibility gap between δ1k and δ1p  phases is colored yellow in (c). The legend shown in (b) is common to (a) through (d). Figure 400.040.080.120.160.200.240.280.320.36Fraction of Fe 1Zn12 associate, yFe1Zn 12Fe 20 40 60 80 Znat.% ZnT = 450 °C600700800Site fraction of Fe1Zn12 associates in liquid Fe-Zn alloys calculated at temperatures from 450 °C to 800 °C.Figure 5-202468024602460246810Gibbs energies of liquid Fe-Zn alloys calculated using the associate solution model at temperatures from 450 °C to 800 °C compared with those calculated excluding Fe1Zn12 associates. Reference states of Fe and Zn are bcc (A2) and liquid, respectively.Figure 6Fe 20 40 60 80 Znat.% Znincluding associateexcluding associate(a) T = 800 °C(b) T = 700 °C(c) T = 600 °C(d) T = 450 °C Gibbs energy, Gm /kJ. mol-1LGm /kJ. mol-1LGm /kJ. mol-1LGm /kJ. mol-1LFe 20 40 60 80 Znat.% Zn at.% Znat.% ZnTemperature,T /°C 200400600800100012001400160030040050060070080090060 70 80 90 Zn35040045050055060065098.0 98.5 99.0 99.5 Zn(ηZn)(ηZn)Liquidδ1p + Lζ + Lζ + (ηZn)(a) Entire composition range (b) Phase boundary of IMC phases (c) Fe solubiliy in liquid and ηZn phases Comparison of the phase diagrams of the Fe-Zn binary system calculated in this study with the phase diagrams calculated excluding Fe1Zn12 associates (denoted by ”excld. associate” in (a)) from the Gibbs energy parameters, i.e., GLFe1Zn12= 0 and GA3Fe1Zn12= 0, in Table 3,  with the phase diagrams calculated using TCFE12 thermodynamic database, and with experimental data (solid and open circles)[32]. The legend shown in (a) is common to (a) through (c).Figure 7TCαLiquidassociate modelexcld. associateTCFE12(αFe)para(αFe)ferro(γFe)(γFe)ΓΓζ(ηZn)(ηZn)δ1pδ1kΓ1Γ1Liquid