Bi–In system

17 accepted literature values from 1 paper(s) (experimental 9, model 8); 3 calculated phase diagram(s). 4 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 (10) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	9
model	8

Accepted values by property group
Property group	Values
invariant reaction	16
model expression	1

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
BiIn-02Cui.tdb	Y. Cui, S. Ishihara, X.J. Liu, I. Ohnuma, R. Kainuma, H. Ohtani, K. Ishida, Mater. Trans. (JIM), 43, 1879-86(2002). doi:10.2320/matertrans.43.1879	`887591159496af2fd0a04756b0a016be8079e76e304cc0613a52a5fce404f8f4`	viewer · TDB · JSON
BiIn-88Che-LB.tdb	P.-Y Chevalier, Calphad, 12, 383-92(1988). doi:10.1016/0364-5916(88)90040-5	`cac488a2c3db9a2b0504355c776f3614d68193bcb3fc92b56af3cefc0655c6e1`	viewer · TDB · JSON
BiIn-88Che-SGSOL.tdb	P.-Y Chevalier, Calphad, 12, 383-92(1988). doi:10.1016/0364-5916(88)90040-5	`83cf71e5240934370fbd427dc5324e2d03636f66d74ae0ced6c20aa8371f95a9`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
BiIn-02Cui.tdb	382.37	RHOMBOHEDRAL_A7 (x(In) 6.000e-5) + LIQUID (x(In) 0.47516) + BIIN (x(In) 0.5)
BiIn-02Cui.tdb	382.37	RHOMBOHEDRAL_A7 (x(In) 6.000e-5) + LIQUID (x(In) 0.47468) + BIIN (x(In) 0.5)
BiIn-02Cui.tdb	366.73	LIQUID (x(In) 0.82537) + TET_ALPHA1_A6 (x(In) 0.91811) + TETRAGONAL_A6 (x(In) 0.93055)
BiIn-02Cui.tdb	362.01	BIIN (x(In) 0.5) + BI3IN5 (x(In) 0.625) + LIQUID (x(In) 0.64741)
BiIn-02Cui.tdb	362.01	BIIN (x(In) 0.5) + BI3IN5 (x(In) 0.625) + LIQUID (x(In) 0.64732)
BiIn-02Cui.tdb	361.26	BI3IN5 (x(In) 0.625) + LIQUID (x(In) 0.65885) + BIIN2_B82 (x(In) 0.66667)
BiIn-02Cui.tdb	361.26	BI3IN5 (x(In) 0.625) + LIQUID (x(In) 0.65893) + BIIN2_B82 (x(In) 0.66667)
BiIn-02Cui.tdb	345.72	BIIN2_B82 (x(In) 0.66667) + LIQUID (x(In) 0.77768) + TET_ALPHA1_A6 (x(In) 0.87436)
BiIn-02Cui.tdb	345.72	BIIN2_B82 (x(In) 0.66667) + LIQUID (x(In) 0.77776) + TET_ALPHA1_A6 (x(In) 0.87445)
BiIn-02Cui.tdb	322.22	BIIN2_B82 (x(In) 0.66667) + TET_ALPHA1_A6 (x(In) 0.90324) + TETRAGONAL_A6 (x(In) 0.92156)
BiIn-02Cui.tdb	322.22	BIIN2_B82 (x(In) 0.66667) + TET_ALPHA1_A6 (x(In) 0.90324) + TETRAGONAL_A6 (x(In) 0.92156)
BiIn-88Che-LB.tdb	382.36	RHOMBOHEDRAL_A7 (x(In) 6.000e-5) + LIQUID (x(In) 0.47494) + BIIN (x(In) 0.5)
BiIn-88Che-LB.tdb	382.36	RHOMBOHEDRAL_A7 (x(In) 6.000e-5) + LIQUID (x(In) 0.47443) + BIIN (x(In) 0.5)
BiIn-88Che-LB.tdb	364.49	LIQUID (x(In) 0.82993) + TET_ALPHA1_A6 (x(In) 0.91059) + TETRAGONAL_A6 (x(In) 0.9212)
BiIn-88Che-LB.tdb	361.86	BIIN (x(In) 0.5) + BI3IN5 (x(In) 0.625) + LIQUID (x(In) 0.65013)
BiIn-88Che-LB.tdb	361.86	BIIN (x(In) 0.5) + BI3IN5 (x(In) 0.625) + LIQUID (x(In) 0.6501)
BiIn-88Che-LB.tdb	361.86	BIIN (x(In) 0.5) + BI3IN5 (x(In) 0.625) + LIQUID (x(In) 0.65009)
BiIn-88Che-LB.tdb	360.91	BI3IN5 (x(In) 0.625) + LIQUID (x(In) 0.66327) + BIIN2_B82 (x(In) 0.66667)
BiIn-88Che-LB.tdb	360.91	BI3IN5 (x(In) 0.625) + LIQUID (x(In) 0.6633) + BIIN2_B82 (x(In) 0.66667)
BiIn-88Che-LB.tdb	360.91	BI3IN5 (x(In) 0.625) + LIQUID (x(In) 0.66294) + BIIN2_B82 (x(In) 0.66667)
BiIn-88Che-LB.tdb	360.91	BI3IN5 (x(In) 0.625) + LIQUID (x(In) 0.66295) + BIIN2_B82 (x(In) 0.66667)
BiIn-88Che-LB.tdb	343.65	BIIN2_B82 (x(In) 0.66667) + LIQUID (x(In) 0.78342) + TET_ALPHA1_A6 (x(In) 0.87202)
BiIn-88Che-LB.tdb	343.65	BIIN2_B82 (x(In) 0.66667) + LIQUID (x(In) 0.78353) + TET_ALPHA1_A6 (x(In) 0.87213)
BiIn-88Che-LB.tdb	318.91	BIIN2_B82 (x(In) 0.66667) + TET_ALPHA1_A6 (x(In) 0.90873) + TETRAGONAL_A6 (x(In) 0.91951)
BiIn-88Che-LB.tdb	318.91	BIIN2_B82 (x(In) 0.66667) + TET_ALPHA1_A6 (x(In) 0.90871) + TETRAGONAL_A6 (x(In) 0.91949)
BiIn-88Che-SGSOL.tdb	382.36	RHOMBOHEDRAL_A7 (x(In) 0) + LIQUID (x(In) 0.47492) + BIIN (x(In) 0.5)
BiIn-88Che-SGSOL.tdb	382.36	RHOMBOHEDRAL_A7 (x(In) 0) + LIQUID (x(In) 0.47442) + BIIN (x(In) 0.5)
BiIn-88Che-SGSOL.tdb	382.36	RHOMBOHEDRAL_A7 (x(In) 0) + LIQUID (x(In) 0.47395) + BIIN (x(In) 0.5)
BiIn-88Che-SGSOL.tdb	364	LIQUID (x(In) 0.82892) + TET_ALPHA1_A6 (x(In) 0.89977) + TETRAGONAL_A6 (x(In) 0.9206)
BiIn-88Che-SGSOL.tdb	361.86	BIIN (x(In) 0.5) + BI3IN5 (x(In) 0.625) + LIQUID (x(In) 0.65013)
BiIn-88Che-SGSOL.tdb	361.86	BIIN (x(In) 0.5) + BI3IN5 (x(In) 0.625) + LIQUID (x(In) 0.6501)
BiIn-88Che-SGSOL.tdb	360.91	BI3IN5 (x(In) 0.625) + LIQUID (x(In) 0.66327) + BIIN2_B82 (x(In) 0.66667)
BiIn-88Che-SGSOL.tdb	360.91	BI3IN5 (x(In) 0.625) + LIQUID (x(In) 0.6633) + BIIN2_B82 (x(In) 0.66667)
BiIn-88Che-SGSOL.tdb	344.93	BIIN2_B82 (x(In) 0.66667) + LIQUID (x(In) 0.77875) + TET_ALPHA1_A6 (x(In) 0.84619)
BiIn-88Che-SGSOL.tdb	344.93	BIIN2_B82 (x(In) 0.66667) + LIQUID (x(In) 0.77916) + TET_ALPHA1_A6 (x(In) 0.8467)
BiIn-88Che-SGSOL.tdb	319.71	BIIN2_B82 (x(In) 0.66667) + TET_ALPHA1_A6 (x(In) 0.891) + TETRAGONAL_A6 (x(In) 0.91868)
BiIn-88Che-SGSOL.tdb	319.71	BIIN2_B82 (x(In) 0.66667) + TET_ALPHA1_A6 (x(In) 0.891) + TETRAGONAL_A6 (x(In) 0.91868)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull BiIn-88Che-LB · CALPHAD hull BiIn-88Che-SGSOL

Invariant reactions (literature)

Invariant reactions reported in the literature for the Bi–In system (16)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
383.15	congruent melting: BiIn(β)=L	BiIn(β): In 0.5; L: In 0.5	experimental	[1] Chevalier 1988 cites ref. 5	Table 3, p. 4, row 4 report
382.93	congruent melting: BiIn(β)=L	BiIn(β): In 0.5; L: In 0.5	model	[1] Chevalier 1988	Table 3, p. 4, row 3 report
382.65	rho+BiIn(β)=L	BiIn(β): Bi 0.5, In 0.5; L: In 0.473	experimental	[1] Chevalier 1988 cites ref. 5	Table 3, p. 4, row 2 report
382.33	rho+BiIn(β)=L	BiIn(β): Bi 0.5, In 0.5; L: In 0.475	model	[1] Chevalier 1988	Table 3, p. 4, row 1 report
365.65	L+bct(α)<->fct(α1)	L: In 0.837	experimental	[1] Chevalier 1988 cites ref. 7	Table 3, p. 4, row 16 report
364.02	L+bct(α)<->fct(α1)	L: In 0.829	model	[1] Chevalier 1988	Table 3, p. 4, row 15 report
363	congruent melting: BiIn2(δ)=L	BiIn2(δ): In 0.666; L: In 0.666	experimental	[1] Chevalier 1988 cites ref. 7	Table 3, p. 4, row 10 report
362.15	L=BiIn(β)+Bi3In5(γ)	L: In 0.61; BiIn(β): Bi 0.5, In 0.5; Bi3In5(γ): Bi 0.375, In 0.625	experimental	[1] Chevalier 1988 cites ref. 5	Table 3, p. 4, row 5 report
361.84	L+BiIn(β)=Bi3In5(γ)	L: In 0.65; BiIn(β): Bi 0.5, In 0.5; Bi3In5(γ): Bi 0.375, In 0.625	model	[1] Chevalier 1988	Table 3, p. 4, row 6 report
361	L=Bi3In5(γ)+BiIn2(δ)	L: In 0.65; Bi3In5(γ): Bi 0.375, In 0.625; BiIn2(δ): Bi 0.333333, In 0.666667	experimental	[1] Chevalier 1988 cites ref. 5	Table 3, p. 4, row 8 report
360.95	congruent melting: BiIn2(δ)=L	BiIn2(δ): In 0.666; L: In 0.666	model	[1] Chevalier 1988	Table 3, p. 4, row 9 report
360.9	L=Bi3In5(γ)+BiIn2(δ)	L: In 0.663; Bi3In5(γ): Bi 0.375, In 0.625; BiIn2(δ): Bi 0.333333, In 0.666667	model	[1] Chevalier 1988	Table 3, p. 4, row 7 report
345.15	BiIn2(δ)+fct(α1)=L	BiIn2(δ): Bi 0.333333, In 0.666667; L: In 0.784; α1: In 0.878	experimental	[1] Chevalier 1988 cites ref. 7	Table 3, p. 4, row 12 report
343.62	BiIn2(δ)+fct(α1)=L	BiIn2(δ): Bi 0.333333, In 0.666667; L: In 0.784; α1: In 0.872	model	[1] Chevalier 1988	Table 3, p. 4, row 11 report
322.15	BiIn2(δ)+bct(α)=fct(α1)	BiIn2(δ): Bi 0.333333, In 0.666667	experimental	[1] Chevalier 1988 cites ref. 7	Table 3, p. 4, row 14 report
319.52	BiIn2(δ)+bct(α)=fct(α1)	BiIn2(δ): Bi 0.333333, In 0.666667	model	[1] Chevalier 1988	Table 3, p. 4, row 13 report

Other properties

Model expression (1)

Model expression, Bi–In system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
hm form expression term printed: AH(B)	-753 unspecified ± 42			experimental	[1] Chevalier 1988 cites ref. 1141	p. 2 report	The heats of formation have been measured by calorimetry by Robinson and Bever 1141 -T=273K ; AH(B)=-753+42 J/g.at ; AH(6) =-502+42 J/g.at-, Boom et al. ; AH(v)=-16952226 J/g.at-; AH(6)=-456? 1151 -T=273K ; AH(B)= -2975 ?251 J/g.at )=-732+63 J/g.at ; AH(y )=-544t63 J/g. 230 J/g.at-, and Singh 1161 -T=273K ; AHH(B at ; AH( 6)=-481?63 J/g.at-.

Sources

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

Pierre-Yves Chevalier, A Thermodynamic evaluation of the Bi-In System, Calphad 12, 383-391 (1988). doi:10.1016/0364-5916(88)90040-5

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}
}