In–Ir system

27 accepted literature values from 1 paper(s) (experimental 10, model 9, unspecified 8); 1 calculated phase diagram(s). 18 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 (8) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	10
model	9
unspecified	8

Accepted values by property group
Property group	Values
invariant reaction	26
mixing / partial	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
InIr-11Ser.tdb	C. Servant, M. Idbenali, Thermochim. Acta, 517, 1-8(2011). doi:10.1016/j.tca.2010.12.019	`08d4e25130797918e03f7a335e97e6a40dcd96678f151c1146ed0f4f1d957cc0`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
InIr-11Ser.tdb	1461.07	LIQUID (x(Ir) 0.30592) + IN2IR_CB (x(Ir) 0.38395) + FCC_A1 (x(Ir) 0.96302)
InIr-11Ser.tdb	1254.08	LIQUID (x(Ir) 0.10124) + IN3IR_HT (x(Ir) 0.24523) + IN2IR_CB (x(Ir) 0.30808)
InIr-11Ser.tdb	634	IN3IR_HT (x(Ir) 0.24999) + IN3IR_D011 (x(Ir) 0.25) + IN2IR_CB (x(Ir) 0.3209)
InIr-11Ser.tdb	620.57	LIQUID (x(Ir) 2.000e-5) + IN3IR_HT (x(Ir) 0.23657) + IN3IR_D011 (x(Ir) 0.24001)
InIr-11Ser.tdb	620.57	LIQUID (x(Ir) 2.000e-5) + IN3IR_HT (x(Ir) 0.23657) + IN3IR_D011 (x(Ir) 0.24001)
InIr-11Ser.tdb	429.75	LIQUID (x(Ir) 0) + TETRAGONAL_A6 (x(Ir) 0) + IN3IR_D011 (x(Ir) 0.23823)
InIr-11Ser.tdb	429.75	TETRAGONAL_A6 (x(Ir) 0) + LIQUID (x(Ir) 0) + IN3IR_D011 (x(Ir) 0.23822)
InIr-11Ser.tdb	429.75	LIQUID (x(Ir) 0) + TETRAGONAL_A6 (x(Ir) 0) + IN3IR_D011 (x(Ir) 0.23823)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the In–Ir system (26)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1463.15	Liq ⇔ In2Ir + (Ir)	In2Ir: In 0.666667, Ir 0.333333	unspecified	[1] Servant 2011 cites Anres 2000 doi	Table 5, p. 6, row 12 report
1463.15	eutectic: Liq -> In2 Ir + (Ir)	In2 Ir: In 0.666667, Ir 0.333333	experimental	[1] Servant 2011 cites Anres 2000 doi	Table 3, p. 5, row 14 report
1463.15	congruent melting: Liq -> In2 Ir	Liq: Ir 0.33; In2 Ir: Ir 0.33; In2Ir: Ir 0.33	model	[1] Servant 2011	Table 3, p. 5, row 12 report
1461.15	Liq ⇔ In2Ir + (Ir)	In2Ir: In 0.666667, Ir 0.333333	unspecified	[1] Servant 2011 cites Flandorfer 2002 doi	Table 5, p. 6, row 11 report
1461.15	eutectic: Liq -> In2 Ir + (Ir)	In2 Ir: In 0.666667, Ir 0.333333	experimental	[1] Servant 2011 cites Flandorfer 2002 doi	Table 3, p. 5, row 13 report
1461.15	Liq ⇔ In2Ir + (Ir)	Liq: Ir 0.3057; In2Ir: Ir 0.3837; (Ir): Ir 0.9621	model	[1] Servant 2011	Table 5, p. 6, row 13 report
1258.15	Liq + In2Ir ⇔ In3Ir_HT	In2Ir: In 0.666667, Ir 0.333333; In3Ir_HT: In 0.75, Ir 0.25	unspecified	[1] Servant 2011 cites Anres 2000 doi	Table 5, p. 6, row 9 report
1258.15	Liq + In2 Ir -> In3 Ir_HT	In2 Ir: In 0.666667, Ir 0.333333; In3 Ir_HT: In 0.75, Ir 0.25	experimental	[1] Servant 2011 cites Anres 2000 doi	Table 3, p. 5, row 10 report
1254.15	Liq + In2Ir ⇔ In3Ir_HT	In2Ir: In 0.666667, Ir 0.333333; In3Ir_HT: In 0.75, Ir 0.25	unspecified	[1] Servant 2011 cites Flandorfer 2002 doi	Table 5, p. 6, row 8 report
1254.15	Liq + In2 Ir -> In3 Ir_HT	Liq: Ir 0.0976; In2 Ir: Ir 0.2934; In3 Ir_HT: Ir 0.2442; In2Ir: Ir 0.2934; In3Ir_HT: Ir 0.2442	model	[1] Servant 2011	Table 3, p. 5, row 11 report
1254.15	Liq + In2 Ir -> In3 Ir_HT	In2 Ir: In 0.666667, Ir 0.333333; In3 Ir_HT: In 0.75, Ir 0.25	experimental	[1] Servant 2011 cites Flandorfer 2002 doi	Table 3, p. 5, row 9 report
1254.15	Liq + In2Ir ⇔ In3Ir_HT	Liq: Ir 0.1012; In2Ir: Ir 0.308; In3Ir_HT: Ir 0.2452	model	[1] Servant 2011	Table 5, p. 6, row 10 report
894.25	eutectic: Liq -> In2 Ir + (Ir)	Liq: Ir 0.5984; In2 Ir: Ir 0.3414; (Ir): Ir 0.9752; In2Ir: Ir 0.3414	model	[1] Servant 2011	Table 3, p. 5, row 15 report
636.15	In2 Ir + In3 Ir-HT -> In3 Ir-LT	In2 Ir: In 0.666667, Ir 0.333333; In3 Ir-HT: In 0.75, Ir 0.25; In3 Ir-LT: In 0.75, Ir 0.25	experimental	[1] Servant 2011 cites Flandorfer 2002 doi	Table 3, p. 5, row 7 report
636.15	In2Ir + In3Ir_HT ⇔ In3Ir_LT	In2Ir: In 0.666667, Ir 0.333333; In3Ir_HT: In 0.75, Ir 0.25; In3Ir_LT: In 0.75, Ir 0.25	unspecified	[1] Servant 2011 cites Flandorfer 2002 doi	Table 5, p. 6, row 6 report
634.85	In2 Ir + In3 Ir-HT -> In3 Ir-LT	In2 Ir: Ir 0.3278; In3 Ir-HT: In 0.75, Ir 0.25; In3 Ir-LT: In 0.75, Ir 0.25; In3 Ir_HT: Ir 0.25; In3 Ir_LT: Ir 0.25; In2Ir: Ir 0.3278; In3Ir_HT: Ir 0.25; In3Ir_LT: Ir 0.25	model	[1] Servant 2011	Table 3, p. 5, row 8 report
634.15	In2Ir + In3Ir_HT ⇔ In3Ir_LT	In2Ir: Ir 0.3208; In3Ir_HT: Ir 0.25; In3Ir_LT: Ir 0.25	model	[1] Servant 2011	Table 5, p. 6, row 7 report
625.15	In3 Ir-HT -> Liq + In3 Ir-LT	In3 Ir-HT: In 0.75, Ir 0.25; In3 Ir-LT: In 0.75, Ir 0.25	experimental	[1] Servant 2011 cites Anres 2000 doi	Table 3, p. 5, row 5 report
620.15	In3 Ir-HT -> Liq + In3 Ir-LT	In3 Ir-HT: Ir 0.2386; Liq: Ir 3.700e-5; In3 Ir-LT: Ir 0.2425; In3Ir_LT: Ir 0.2425; In3Ir_HT: Ir 0.2386	model	[1] Servant 2011	Table 3, p. 5, row 6 report
620.15	In3 Ir-HT -> Liq + In3 Ir-LT	In3 Ir-HT: In 0.75, Ir 0.25; In3 Ir-LT: In 0.75, Ir 0.25	experimental	[1] Servant 2011 cites Flandorfer 2002 doi	Table 3, p. 5, row 4 report
620.15	In3Ir-HT ⇔ Liq + In3Ir-LT	In3Ir-HT: In 0.75, Ir 0.25; In3Ir-LT: In 0.75, Ir 0.25	unspecified	[1] Servant 2011 cites Flandorfer 2002 doi	Table 5, p. 6, row 4 report
429.95	Liq ⇔ In + In3Ir-LT	Liq: Ir 0; In: Ir 0; In3Ir-LT: Ir 0.2382; In3Ir_LT: Ir 0.2382	model	[1] Servant 2011	Table 5, p. 6, row 3 report
429.79	Liq ⇔ In + In3Ir-LT	In3Ir-LT: In 0.75, Ir 0.25	unspecified	[1] Servant 2011 cites Anres 2000 doi	Table 5, p. 6, row 2 report
429.79	eutectic: Liq -> In + In3 Ir-LT	In3 Ir-LT: In 0.75, Ir 0.25	experimental	[1] Servant 2011 cites Anres 2000 doi	Table 3, p. 5, row 2 report
429.15	Liq ⇔ In + In3Ir-LT		unspecified	[1] Servant 2011 cites Flandorfer 2002 doi	Table 5, p. 6, row 1 report
429.15	eutectic: Liq -> In + In3 Ir-LT		experimental	[1] Servant 2011 cites Flandorfer 2002 doi	Table 3, p. 5, row 1 report

Other properties

Mixing / partial (1)

Mixing / partial, In–Ir system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Partial enthalpy printed: partial molar enthalpy of mixing	-50 unspecified ± 2	1154	liquid	experimental	[1] Servant 2011 cites Anres 2000 doi	p. 2 report	They found that at 1154 K the limiting partial molar enthalpy of mixing of hypothetically supercooled liquid iridium in liquid indium is equal to -50 ± 2 kJ/mol.

Sources

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

Colette Servant, Mohamed Idbenali, Thermodynamic assessment of the In–Ir system in the In rich part, Thermochimica Acta 517, 1-8 (2011). doi:10.1016/j.tca.2010.12.019

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}
}