Au–Pb system

35 accepted literature values from 1 paper(s) (experimental 23, model 12); 2 calculated phase diagram(s).

Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (7) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	23
model	12

Accepted values by property group
Property group	Values
invariant reaction	33
phase transition	2

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
AuPb-04Wan-LB.tdb	J. Wang, H.S. Liu, Z.P. Jin, Calphad, 28, 91-95(2004). doi:10.1016/j.calphad.2004.05.003	`c40850c0dc0ef3a1e6c1a5f2667432486c26082edd606b05d7263648487b09ac`	viewer · TDB · JSON
AuPb-86Nab-LB.tdb	J.-P. Nabot, Thesis, INPG, Grenoble, 1986.	`7b2df32722d0e251981742e1ccad1131f89d34231985db1663abde6ff47fd976`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
AuPb-04Wan-LB.tdb	706.92	FCC_A1 (x(Pb) 0.00159) + AU2PB_C15 (x(Pb) 0.33333) + LIQUID (x(Pb) 0.45977)
AuPb-04Wan-LB.tdb	706.92	FCC_A1 (x(Pb) 0.0016) + AU2PB_C15 (x(Pb) 0.33333) + LIQUID (x(Pb) 0.45964)
AuPb-04Wan-LB.tdb	525.62	AU2PB_C15 (x(Pb) 0.33333) + AUPB2_C16 (x(Pb) 0.66667) + LIQUID (x(Pb) 0.74107)
AuPb-04Wan-LB.tdb	525.62	AU2PB_C15 (x(Pb) 0.33333) + AUPB2_C16 (x(Pb) 0.66667) + LIQUID (x(Pb) 0.74134)
AuPb-04Wan-LB.tdb	525.62	AU2PB_C15 (x(Pb) 0.33333) + AUPB2_C16 (x(Pb) 0.66667) + LIQUID (x(Pb) 0.7409)
AuPb-04Wan-LB.tdb	495.35	AUPB2_C16 (x(Pb) 0.66667) + AUPB3 (x(Pb) 0.75) + LIQUID (x(Pb) 0.82581)
AuPb-04Wan-LB.tdb	495.35	AUPB2_C16 (x(Pb) 0.66667) + AUPB3 (x(Pb) 0.75) + LIQUID (x(Pb) 0.82607)
AuPb-04Wan-LB.tdb	495.35	AUPB2_C16 (x(Pb) 0.66667) + AUPB3 (x(Pb) 0.75) + LIQUID (x(Pb) 0.82623)
AuPb-04Wan-LB.tdb	495.35	AUPB2_C16 (x(Pb) 0.66667) + AUPB3 (x(Pb) 0.75) + LIQUID (x(Pb) 0.82624)
AuPb-04Wan-LB.tdb	487.82	AUPB3 (x(Pb) 0.75) + LIQUID (x(Pb) 0.84825) + FCC_A1 (x(Pb) 0.99988)
AuPb-04Wan-LB.tdb	487.82	AUPB3 (x(Pb) 0.75) + LIQUID (x(Pb) 0.84833) + FCC_A1 (x(Pb) 0.99988)
AuPb-04Wan-LB.tdb	379.16	AUPB2_C16 (x(Pb) 0.66667) + AUPB3 (x(Pb) 0.75) + FCC_A1 (x(Pb) 0.99999)
AuPb-04Wan-LB.tdb	379.16	AUPB2_C16 (x(Pb) 0.66667) + AUPB3 (x(Pb) 0.75) + FCC_A1 (x(Pb) 0.99999)
AuPb-04Wan-LB.tdb	379.16	AUPB2_C16 (x(Pb) 0.66667) + AUPB3 (x(Pb) 0.75) + FCC_A1 (x(Pb) 0.99999)
AuPb-04Wan-LB.tdb	379.16	AUPB2_C16 (x(Pb) 0.66667) + AUPB3 (x(Pb) 0.75) + FCC_A1 (x(Pb) 0.99999)
AuPb-86Nab-LB.tdb	703.67	FCC_A1 (x(Pb) 0.0221) + AU2PB_C15 (x(Pb) 0.33333) + LIQUID (x(Pb) 0.4448)
AuPb-86Nab-LB.tdb	703.67	FCC_A1 (x(Pb) 0.0221) + AU2PB_C15 (x(Pb) 0.33333) + LIQUID (x(Pb) 0.44477)
AuPb-86Nab-LB.tdb	526.29	AU2PB_C15 (x(Pb) 0.33333) + AUPB2_C16 (x(Pb) 0.66667) + LIQUID (x(Pb) 0.73458)
AuPb-86Nab-LB.tdb	526.29	AU2PB_C15 (x(Pb) 0.33333) + AUPB2_C16 (x(Pb) 0.66667) + LIQUID (x(Pb) 0.73462)
AuPb-86Nab-LB.tdb	526.29	AU2PB_C15 (x(Pb) 0.33333) + AUPB2_C16 (x(Pb) 0.66667) + LIQUID (x(Pb) 0.73441)
AuPb-86Nab-LB.tdb	495.04	AUPB2_C16 (x(Pb) 0.66667) + AUPB3 (x(Pb) 0.75) + LIQUID (x(Pb) 0.82141)
AuPb-86Nab-LB.tdb	495.04	AUPB2_C16 (x(Pb) 0.66667) + AUPB3 (x(Pb) 0.75) + LIQUID (x(Pb) 0.82119)
AuPb-86Nab-LB.tdb	495.04	AUPB2_C16 (x(Pb) 0.66667) + AUPB3 (x(Pb) 0.75) + LIQUID (x(Pb) 0.82151)
AuPb-86Nab-LB.tdb	487.02	AUPB3 (x(Pb) 0.75) + LIQUID (x(Pb) 0.84474) + FCC_A1 (x(Pb) 0.99441)
AuPb-86Nab-LB.tdb	487.02	AUPB3 (x(Pb) 0.75) + LIQUID (x(Pb) 0.84479) + FCC_A1 (x(Pb) 0.99441)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull AuPb-86Nab-LB

Invariant reactions (literature)

Invariant reactions reported in the literature for the Au–Pb system (33)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
727	L + Au2Pb -> AuPb2	L: Pb 0.74; Au2Pb: Pb 0.333333; AuPb2: Pb 0.666667	experimental	[1] Wang 2004 cites Vogel 1905 doi	Table 4, p. 4, row 10 report
707	L + fcc (Au) -> Au2Pb	L: Pb 0.43; Au2Pb: Pb 0.333333	model	[1] Wang 2004 cites Okamoto 1984 doi	Table 4, p. 4, row 2 report
707	L + fcc (Au) -> Au2Pb	L: Pb 0.426; Au2Pb: Pb 0.333333	experimental	[1] Wang 2004 cites Evans 1982	Table 4, p. 4, row 5 report
707	L + fcc (Au) -> Au2Pb	L: Pb 0.46; Au2Pb: Pb 0.333333	model	[1] Wang 2004	Table 4, p. 4, row 7 report
707	L + fcc (Au) -> Au2Pb	L: Pb 0.426; Au2Pb: Pb 0.333333	experimental	[1] Wang 2004 cites Evans 1983	Table 4, p. 4, row 1 report
702	L + fcc (Au) -> Au2Pb	L: Pb 0.43; Au2Pb: Pb 0.333333	experimental	[1] Wang 2004 cites Legendre 1971	Table 4, p. 4, row 6 report
691	L + fcc (Au) -> Au2Pb	L: Pb 0.44; Au2Pb: Pb 0.333333	experimental	[1] Wang 2004 cites Vogel 1905 doi	Table 4, p. 4, row 3 report
691	L + fcc (Au) -> Au2Pb	L: Pb 0.437; Au2Pb: Pb 0.333333	experimental	[1] Wang 2004 cites Bhattacharyya 1971	Table 4, p. 4, row 4 report
526	L + Au2Pb -> AuPb2	L: Pb 0.735; Au2Pb: Pb 0.333333; AuPb2: Pb 0.666667	model	[1] Wang 2004 cites Okamoto 1984 doi	Table 4, p. 4, row 9 report
526	L + Au2Pb -> AuPb2	L: Pb 0.741; Au2Pb: Pb 0.333333; AuPb2: Pb 0.666667	model	[1] Wang 2004	Table 4, p. 4, row 15 report
526	L + Au2Pb -> AuPb2	L: Pb 0.738; Au2Pb: Pb 0.333333; AuPb2: Pb 0.666667	experimental	[1] Wang 2004 cites Evans 1982	Table 4, p. 4, row 12 report
526	L + Au2Pb -> AuPb2	L: Pb 0.738; Au2Pb: Pb 0.333333; AuPb2: Pb 0.666667	experimental	[1] Wang 2004 cites Evans 1983	Table 4, p. 4, row 8 report
525.5	L + Au2Pb -> AuPb2	L: Pb 0.72; Au2Pb: Pb 0.333333; AuPb2: Pb 0.666667	experimental	[1] Wang 2004 cites Evans 1972	Table 4, p. 4, row 14 report
524	L + Au2Pb -> AuPb2	L: Pb 0.71; Au2Pb: Pb 0.333333; AuPb2: Pb 0.666667	experimental	[1] Wang 2004 cites Bhattacharyya 1971	Table 4, p. 4, row 11 report
524	L + Au2Pb -> AuPb2	L: Pb 0.71; Au2Pb: Pb 0.333333; AuPb2: Pb 0.666667	experimental	[1] Wang 2004 cites Legendre 1971	Table 4, p. 4, row 13 report
495.5	L + AuPb2 -> AuPb3	L: Pb 0.822; AuPb2: Pb 0.666667; AuPb3: Pb 0.75	experimental	[1] Wang 2004 cites Evans 1983	Table 4, p. 4, row 16 report
495	L + AuPb2 -> AuPb3	L: Pb 0.826; AuPb2: Pb 0.666667; AuPb3: Pb 0.75	model	[1] Wang 2004	Table 4, p. 4, row 22 report
495	L + AuPb2 -> AuPb3	L: Pb 0.843; AuPb2: Pb 0.666667; AuPb3: Pb 0.75	experimental	[1] Wang 2004 cites Evans 1972	Table 4, p. 4, row 21 report
494.5	L + AuPb2 -> AuPb3	L: Pb 0.821; AuPb2: Pb 0.666667; AuPb3: Pb 0.75	model	[1] Wang 2004 cites Okamoto 1984 doi	Table 4, p. 4, row 17 report
494.5	L + AuPb2 -> AuPb3	L: Pb 0.822; AuPb2: Pb 0.666667; AuPb3: Pb 0.75	experimental	[1] Wang 2004 cites Evans 1982	Table 4, p. 4, row 19 report
494	L + AuPb2 -> AuPb3	L: Pb 0.814; AuPb2: Pb 0.666667; AuPb3: Pb 0.75	experimental	[1] Wang 2004 cites Bhattacharyya 1971	Table 4, p. 4, row 18 report
490	L + AuPb2 -> AuPb3	L: Pb 0.77; AuPb2: Pb 0.666667; AuPb3: Pb 0.75	experimental	[1] Wang 2004 cites Legendre 1971	Table 4, p. 4, row 20 report
488	eutectic: L -> AuPb3 + fcc (Pb)	L: Pb 0.85; AuPb3: Pb 0.75	experimental	[1] Wang 2004 cites Vogel 1905 doi	Table 4, p. 4, row 25 report
488	eutectic: L -> AuPb3 + fcc (Pb)	L: Pb 0.848; AuPb3: Pb 0.75	model	[1] Wang 2004	Table 4, p. 4, row 30 report
488	eutectic: L -> AuPb3 + fcc (Pb)	L: Pb 0.843; AuPb3: Pb 0.75	experimental	[1] Wang 2004 cites Bhattacharyya 1971	Table 4, p. 4, row 26 report
486	eutectic: L -> AuPb3 + fcc (Pb)	L: Pb 0.843; AuPb3: Pb 0.75	experimental	[1] Wang 2004 cites Evans 1972	Table 4, p. 4, row 29 report
485.5	eutectic: L -> AuPb3 + fcc (Pb)	L: Pb 0.848; AuPb3: Pb 0.75	model	[1] Wang 2004 cites Okamoto 1984 doi	Table 4, p. 4, row 24 report
485	eutectic: L -> AuPb3 + fcc (Pb)	L: Pb 0.848; AuPb3: Pb 0.75	experimental	[1] Wang 2004 cites Evans 1982	Table 4, p. 4, row 27 report
485	eutectic: L -> AuPb3 + fcc (Pb)	L: Pb 0.848; AuPb3: Pb 0.75	experimental	[1] Wang 2004 cites Evans 1983	Table 4, p. 4, row 23 report
483	eutectic: L -> AuPb3 + fcc (Pb)	L: Pb 0.85; AuPb3: Pb 0.75	experimental	[1] Wang 2004 cites Legendre 1971	Table 4, p. 4, row 28 report
380	AuPb3 -> AuPb2 + fcc (Pb)	AuPb3: Pb 0.75; AuPb2: Pb 0.666667	model	[1] Wang 2004	Table 4, p. 4, row 33 report
372	AuPb3 -> AuPb2 + fcc (Pb)	AuPb3: Pb 0.75; AuPb2: Pb 0.666667	model	[1] Wang 2004 cites Okamoto 1984 doi	Table 4, p. 4, row 31 report
325	AuPb3 -> AuPb2 + fcc (Pb)	AuPb3: Pb 0.75; AuPb2: Pb 0.666667	experimental	[1] Wang 2004 cites Predecki 1965	Table 4, p. 4, row 32 report

Other properties

Phase transition (2)

Phase transition, Au–Pb system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	372 K	372	other: AuPb3 = AuPb2 + fcc(Pb)	model	[1] Wang 2004 cites Okamoto 1984 doi	p. 2 report	phase AuPb3 could be stable above 372 K and decompose to AuPb2 and fcc (Pb) below this temperature.
Phase transition	380 K	380	other	model	[1] Wang 2004	p. 3 report	In the present work, the decomposition temperature of the phase AuPb3 is calculated to be 380 K and the phase AuPb2 is stable up to 495 K.

Sources

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

J. Wang, H.S. Liu, Z.P. Jin, Thermodynamic assessment of the Au–Pb system, Calphad 28, 91-95 (2004). doi:10.1016/j.calphad.2004.05.003

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}
}