Pb–Pt system

17 accepted literature values from 1 paper(s) (model 10, DFT 3, unspecified 4); 1 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
model	10
DFT	3
unspecified	4

Accepted values by property group
Property group	Values
invariant reaction	8
phase transition	3
crystal structure	6

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
PbPt-09Lon.tdb	Z.H. Long, X.M. Tao, H.S. Liu, Z.P. Jin, J. Phase Equilib. Diffus., 30, 318-22(2009). doi:10.1007/s11669-009-9530-1	`1c1ed1ff0d289a0a828908d931000bb4c171fdef03c4e3f4482b16d92e0c2428`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
PbPt-09Lon.tdb	1189.45	LIQUID (x(Pt) 0.58298) + PBPT3_L12 (x(Pt) 0.75) + FCC_A1 (x(Pt) 0.99888)
PbPt-09Lon.tdb	1189.45	LIQUID (x(Pt) 0.583) + PBPT3_L12 (x(Pt) 0.75) + FCC_A1 (x(Pt) 0.99888)
PbPt-09Lon.tdb	1064.51	LIQUID (x(Pt) 0.48799) + PBPT_B81 (x(Pt) 0.5) + PBPT3_L12 (x(Pt) 0.75)
PbPt-09Lon.tdb	1064.51	LIQUID (x(Pt) 0.48827) + PBPT_B81 (x(Pt) 0.5) + PBPT3_L12 (x(Pt) 0.75)
PbPt-09Lon.tdb	633.23	LIQUID (x(Pt) 0.13317) + PB4PT (x(Pt) 0.2) + PBPT_B81 (x(Pt) 0.5)
PbPt-09Lon.tdb	633.23	LIQUID (x(Pt) 0.13346) + PB4PT (x(Pt) 0.2) + PBPT_B81 (x(Pt) 0.5)
PbPt-09Lon.tdb	633.23	LIQUID (x(Pt) 0.13313) + PB4PT (x(Pt) 0.2) + PBPT_B81 (x(Pt) 0.5)
PbPt-09Lon.tdb	556.4	FCC_A1 (x(Pt) 0) + LIQUID (x(Pt) 0.0516) + PB4PT (x(Pt) 0.2)
PbPt-09Lon.tdb	556.4	FCC_A1 (x(Pt) 0) + LIQUID (x(Pt) 0.05157) + PB4PT (x(Pt) 0.2)
PbPt-09Lon.tdb	556.4	FCC_A1 (x(Pt) 0) + LIQUID (x(Pt) 0.05141) + PB4PT (x(Pt) 0.2)
PbPt-09Lon.tdb	556.4	FCC_A1 (x(Pt) 0) + LIQUID (x(Pt) 0.05141) + PB4PT (x(Pt) 0.2)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the Pb–Pt system (8)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1189	peritectic: L + fcc (Pt) -> Pt3Pb	L: Pt 0.583; Pt3Pb: Pt 0.75	model	[1] Long 2009	Table 3, p. 3, row 2 report
1188	peritectic: L + fcc (Pt) -> Pt3Pb	L: Pt 0.58; Pt3Pb: Pt 0.75	unspecified	[1] Long 2009 cites Conclusions	Table 3, p. 3, row 1 report
1068	peritectic: L + Pt3Pb -> PtPb	L: Pt 0.475; Pt3Pb: Pt 0.75; PtPb: Pt 0.5	unspecified	[1] Long 2009 cites Conclusions	Table 3, p. 3, row 3 report
1065	peritectic: L + Pt3Pb -> PtPb	L: Pt 0.488; Pt3Pb: Pt 0.75; PtPb: Pt 0.5	model	[1] Long 2009	Table 3, p. 3, row 4 report
633	peritectic: L + PtPb -> PtPb4	L: Pt 0.133; PtPb: Pt 0.5; PtPb4: Pt 0.2	unspecified	[1] Long 2009 cites Conclusions	Table 3, p. 3, row 5 report
633	peritectic: L + PtPb -> PtPb4	L: Pt 0.133; PtPb: Pt 0.5; PtPb4: Pt 0.2	model	[1] Long 2009	Table 3, p. 3, row 6 report
563	eutectic: L -> PtPb4 + fcc (Pb)	L: Pt 0.053; PtPb4: Pt 0.2	unspecified	[1] Long 2009 cites Conclusions	Table 3, p. 3, row 7 report
557	eutectic: L -> PtPb4 + fcc (Pb)	L: Pt 0.052; PtPb4: Pt 0.2	model	[1] Long 2009	Table 3, p. 3, row 8 report

Other properties

Phase transition (3)

Phase transition, Pb–Pt system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	633 K	633	PtPb4	model	[1] Long 2009 cites Conclusions	p. 1 report	The phase diagram of the Pt-Pb system reported by Hansen and Anderko[6] exhibits three intermediate compounds, Pt3Pb, PtPb, and PtPb4. These compounds decompose peritectially at 1188, 1068, and 633 K, respectively.
Phase transition	1068 K	1068	PtPb	model	[1] Long 2009 cites Conclusions	p. 1 report	The phase diagram of the Pt-Pb system reported by Hansen and Anderko[6] exhibits three intermediate compounds, Pt3Pb, PtPb, and PtPb4. These compounds decompose peritectially at 1188, 1068, and 633 K, respectively.
Phase transition	1188 K	1188	Pt3Pb	model	[1] Long 2009 cites Conclusions	p. 1 report	The phase diagram of the Pt-Pb system reported by Hansen and Anderko[6] exhibits three intermediate compounds, Pt3Pb, PtPb, and PtPb4. These compounds decompose peritectially at 1188, 1068, and 633 K, respectively.

Crystal structure (6)

Crystal structure, Pb–Pt system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Lattice a	4.058 Å		Pt3Pb alloy: Pt 0.75	model	[1] Long 2009 cites Ellner 1981 doi	Table 1, p. 2, row 5 report
Lattice a	4.1371 Å	0	Pt3Pb alloy: Pt 0.75	DFT	[1] Long 2009	Table 1, p. 2, row 4 report
Lattice a	6.8148 Å	0	PtPb4 alloy: Pt 0.2	DFT	[1] Long 2009	Table 1, p. 2, row 6 report
Lattice a	6.65 Å		PtPb4 alloy: Pt 0.2	model	[1] Long 2009 cites Rosler 1951	Table 1, p. 2, row 7 report
Lattice c	6.0913 Å	0	PtPb4 alloy: Pt 0.2	DFT	[1] Long 2009	Table 1, p. 2, row 6 report
Lattice c	5.96 Å		PtPb4 alloy: Pt 0.2	model	[1] Long 2009 cites Rosler 1951	Table 1, p. 2, row 7 report

Sources

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

Z. H. Long, X. M. Tao, H. S. Liu, Z. P. Jin, First-Principle Calculation Assisted Thermodynamic Assessment of the Pt-Pb System, J. Phase Equilib. Diffus. 30, 318-322 (2009). doi:10.1007/s11669-009-9530-1

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}
}