Bi–Zn system

23 accepted literature values from 2 paper(s) (experimental 8, model 10, unspecified 5); 5 calculated phase diagram(s). 9 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.

Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (5) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	8
model	10
unspecified	5

Accepted values by property group
Property group	Values
invariant reaction	13
phase transition	10

Calculated phase diagrams

Binary phase diagrams calculated with pycalphad 0.11.2 from the SGTE binary collection (Hallstedt 2025, CC BY 4.0). Evidence class: model.

Assessments with a calculated phase diagram
TDB file	Assessment	SHA-256	Links
BiZn-00Mal-LB.tdb	D.V. Malakhov, Calphad, 24, 1-14(2000). doi:10.1016/S0364-5916(00)00011-0	`dc7817b37fd0170061653e5ba718a97547c6a4035adadceda5aba2ba833bd99a`	viewer · TDB · JSON
BiZn-03Kim.tdb	S.S. Kim, T.H. Sanders, Jr., Z. Metallkd., 94, 390-95(2003). doi:10.1515/ijmr-2003-0070	`33acdc44f5718ce5d4890cd5b5d6aeffea7168f1b3e5842bfd2f8059a3f4b78a`	viewer · TDB · JSON
BiZn-05Dja.tdb	Y. Djaballah, L. Bennour, F. Bouharkat, A. Belgacem-Bouzida, Modelling Simul. Mater. Sci. Eng., 13, 361-69(2005). doi:10.1088/0965-0393/13/3/006	`f5ecc95e0f1b3aaf5c4925b8979964b4be90e2de2d410a49bb327cb6aa7c6d93`	viewer · TDB · JSON
BiZn-07Viz.tdb	J. Vizdal, M.H. Braga, A. Kroupa, K.W. Richter, D. Soares, L.F. Malheiros, J. Ferreira, Calphad, 31, 438-48(2007). doi:10.1016/j.calphad.2007.05.002	`0d71ac7c1215c02805ab7daba36a9d02a98bf96fb3907b05d8af4a965cd7bd78`	viewer · TDB · JSON
BiZn-85Gir.tdb	C. Girard, PhD Thesis, University of Provence, Marseille, 1985.	`303007160c50d88dc31951280713c6bd167e1297499ad2925a501d4254cf566d`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
BiZn-00Mal-LB.tdb	689.65	LIQUID (x(Zn) 0.37083) + LIQUID#2 (x(Zn) 0.99253) + HCP_A3 (x(Zn) 0.9993)
BiZn-00Mal-LB.tdb	527.65	RHOMBOHEDRAL_A7 (x(Zn) 0.01636) + LIQUID (x(Zn) 0.081) + HCP_A3 (x(Zn) 0.99985)
BiZn-03Kim.tdb	688.05	LIQUID (x(Zn) 0.40749) + LIQUID#2 (x(Zn) 0.99027) + HCP_A3 (x(Zn) 0.99969)
BiZn-03Kim.tdb	520.1	RHOMBOHEDRAL_A7 (x(Zn) 0.01568) + LIQUID (x(Zn) 0.08865) + HCP_A3 (x(Zn) 0.99987)
BiZn-05Dja.tdb	682.17	LIQUID (x(Zn) 0.34227) + LIQUID#2 (x(Zn) 0.97549) + HCP_A3 (x(Zn) 1)
BiZn-05Dja.tdb	524.73	RHOMBOHEDRAL_A7 (x(Zn) 0) + LIQUID (x(Zn) 0.08215) + HCP_A3 (x(Zn) 1)
BiZn-05Dja.tdb	524.73	RHOMBOHEDRAL_A7 (x(Zn) 0) + LIQUID (x(Zn) 0.0819) + HCP_A3 (x(Zn) 1)
BiZn-07Viz.tdb	691.42	LIQUID#2 (x(Zn) 0.37374) + LIQUID (x(Zn) 0.99235) + HCP_A3 (x(Zn) 0.99584)
BiZn-07Viz.tdb	527.67	RHOMBOHEDRAL_A7 (x(Zn) 0.01634) + LIQUID (x(Zn) 0.0809) + HCP_A3 (x(Zn) 0.99855)
BiZn-85Gir.tdb	684.69	LIQUID (x(Zn) 0.36393) + LIQUID#2 (x(Zn) 0.98047) + HCP_A3 (x(Zn) 0.9992)
BiZn-85Gir.tdb	530.36	RHOMBOHEDRAL_A7 (x(Zn) 0) + LIQUID (x(Zn) 0.0748) + HCP_A3 (x(Zn) 0.99892)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull BiZn-00Mal-LB · CALPHAD hull BiZn-03Kim · CALPHAD hull BiZn-05Dja · CALPHAD hull BiZn-85Gir

Invariant reactions (literature)

Invariant reactions reported in the literature for the Bi–Zn system (13)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
690.15	monotectic: liq 1+Zn -> liq 2	liq 1: Zn 0.992; Zn: Zn 0.39	model	[1] Djaballah 2005 cites Malakhov 2000 doi	Table 2, p. 6, row 8 report
690.15	monotectic: liq 1+Zn -> liq 2	liq 1: Zn 0.992; Zn: Zn 0.31	experimental	[1] Djaballah 2005 cites Bouharkat 1996 doi	Table 2, p. 6, row 6 report
689.66	monotectic	Bi-rich liquid: Zn 0.37083; Zn-rich liquid: Zn 0.99253; HCP solution: Zn 0.9993	model	[2] Malakhov 2000	Table 8, p. 11, row 1 report
689.15	monotectic: liq 1+Zn -> liq 2	liq 1: Zn 0.994; Zn: Zn 0.37	experimental	[1] Djaballah 2005 cites Seith 1955 doi	Table 2, p. 6, row 10 report
688.15	monotectic: liq 1+Zn -> liq 2	liq 1: Zn 0.991; Zn: Zn 0.41	model	[1] Djaballah 2005 cites Kim 2003 doi	Table 2, p. 6, row 9 report
685.95	monotectic: liq 1+Zn -> liq 2	liq 1: Zn 0.98; Zn: Zn 0.401	model	[1] Djaballah 2005	Table 2, p. 6, row 11 report
684.65	monotectic: liq 1+Zn -> liq 2	liq 1: Zn 0.364; Zn: Zn 0.999	unspecified	[1] Djaballah 2005 cites Girard 1985	Table 2, p. 6, row 7 report
676.15	monotectic: liq 1+Zn -> liq 2	liq 1: Zn 0.9905; Zn: Zn 0.384	experimental	[1] Djaballah 2005 cites Khairullin 1996	Table 2, p. 6, row 5 report
530.15	eutectic: Zn + Bi -> liq 1	Zn: Zn 1; Bi: Zn 0.074	unspecified	[1] Djaballah 2005 cites Girard 1985	Table 2, p. 6, row 2 report
527.65	eutectic	Rhombohedral solution: Zn 0.01636; Liquid: Zn 0.081; Hexagonal solution: Zn 0.99985	model	[2] Malakhov 2000	Table 9, p. 11, row 1 report
527.65	eutectic: Zn + Bi -> liq 1	Zn: Zn 0.99; Bi: Zn 0.081	model	[1] Djaballah 2005 cites Malakhov 2000 doi	Table 2, p. 6, row 3 report
527.15	eutectic: Zn + Bi -> liq 1	Zn: Zn 1; Bi: Zn 0.076	experimental	[1] Djaballah 2005 cites Bouharkat 1996 doi	Table 2, p. 6, row 1 report
526.95	eutectic: Zn + Bi -> liq 1	Zn: Zn 1; Bi: Zn 0.071	model	[1] Djaballah 2005	Table 2, p. 6, row 4 report

Other properties

Phase transition (10)

Phase transition, Bi–Zn system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Phase transition	846.15 K	846.15	critical point: 2 liq -> 1 liq 2 liq: Zn 0.83	experimental	[1] Djaballah 2005 cites Khairullin 1996	Table 2, p. 6, row 16 report
Phase transition	848.15 K	848.15	critical point: 2 liq -> 1 liq 2 liq: Zn 0.83	model	[1] Djaballah 2005 cites Kim 2003 doi	Table 2, p. 6, row 20 report
Phase transition	848.15 K	848.15	critical point: 2 liq -> 1 liq 2 liq: Zn 0.815	unspecified	[1] Djaballah 2005 cites Glazov 1988	Table 2, p. 6, row 13 report
Phase transition	853.15 K	853.15	critical point: 2 liq -> 1 liq 2 liq: Zn 0.87	model	[1] Djaballah 2005 cites Malakhov 2000 doi	Table 2, p. 6, row 19 report
Phase transition	853.15 K	853.15	critical point: 2 liq -> 1 liq 2 liq: Zn 0.813	experimental	[1] Djaballah 2005 cites Kanai 1993 doi	Table 2, p. 6, row 15 report
Phase transition	868.15 K	868.15	critical point: 2 liq -> 1 liq 2 liq: Zn 0.85	experimental	[1] Djaballah 2005 cites Bouharkat 1996 doi	Table 2, p. 6, row 17 report
Phase transition	873.15 K	873.15	critical point: 2 liq -> 1 liq	unspecified	[1] Djaballah 2005 cites Singh 1992 doi	Table 2, p. 6, row 14 report
Phase transition	888.15 K	888.15	critical point: 2 liq -> 1 liq 2 liq: Zn 0.859	unspecified	[1] Djaballah 2005 cites Girard 1985	Table 2, p. 6, row 18 report
Phase transition	898.15 K	898.15	critical point: 2 liq -> 1 liq 2 liq: Zn 0.85	experimental	[1] Djaballah 2005 cites Okajima 1980 doi	Table 2, p. 6, row 12 report
Phase transition	906.15 K	906.15	critical point: 2 liq -> 1 liq 2 liq: Zn 0.816	model	[1] Djaballah 2005	Table 2, p. 6, row 21 report

Sources

Reporting papers the values were read from (a value cited from another work names that work in its row).

Y Djaballah, L Bennour, F Bouharkat, A Belgacem-Bouzida, Thermodynamic assessment of the binary system (Bi–Zn), Modelling Simul. Mater. Sci. Eng. 13, 361-369 (2005). doi:10.1088/0965-0393/13/3/006
Dmitri V. Malakhov, Thermodynamic assessment of the Bi-Zn system, Calphad 24, 1-14 (2000). doi:10.1016/s0364-5916(00)00011-0

Please cite

R. Arróyave, J. Saal, D. Shin, ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature (version 2026.10; Version 1, machine-extracted), Zenodo (2026). doi:10.5281/zenodo.23735569
R. Arróyave, J. Saal, D. Shin, ORCHID-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). doi:10.5281/zenodo.23735859
R. Arróyave, J. Saal, D. Shin, ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD) (version 2026.10), Zenodo (2026). doi:10.5281/zenodo.23735891
R. Arróyave, J. Saal, D. Shin, ORCHID data: umbrella record of the ORCHID datasets (version 2026.10; Version 1, machine-extracted), Zenodo (2026). doi:10.5281/zenodo.23736065

Also cite the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work); B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, https://doi.org/10.1016/j.calphad.2025.102833 (CC BY 4.0), and the original assessment named in each file; A. Jain et al., The Materials Project: A materials genome approach to accelerating materials innovation, APL Materials 1 (2013) 011002, https://doi.org/10.1063/1.4812323 (CC BY 4.0); J. E. Saal et al., JOM 65 (2013) 1501, https://doi.org/10.1007/s11837-013-0755-4 and S. Kirklin et al., npj Comput. Mater. 1 (2015) 15010, https://doi.org/10.1038/npjcompumats.2015.10 (CC BY 4.0). Version 1, machine-extracted: values were read by language-model readers constrained to quote their source and checked automatically, and the release was then audited on the printed pages by adversarial audits, an independent second review of fit-facing records and a preliminary human review of a frozen sample. Flags such as accepted and ESPEI-ready record screening results, not certification; known issues are listed in the release notes.

@misc{orchid_literature_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735569},
  url       = {https://doi.org/10.5281/zenodo.23735569},
  note      = {Version 1, machine-extracted}
}

@misc{orchid_phase_diagrams_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Diagrams: calculated binary phase diagrams}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735859},
  url       = {https://doi.org/10.5281/zenodo.23735859}
}

@misc{orchid_hulls_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD)}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735891},
  url       = {https://doi.org/10.5281/zenodo.23735891}
}

@misc{orchid_data_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID data: umbrella record of the ORCHID datasets}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23736065},
  url       = {https://doi.org/10.5281/zenodo.23736065},
  note      = {Version 1, machine-extracted}
}