B–Fe–Pr system

61 accepted literature values from 1 paper(s) (experimental 33, model 18, unspecified 10); 0 calculated phase diagram(s).

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Accepted values by evidence class
Evidence class	Values
experimental	33
model	18
unspecified	10

Accepted values by property group
Property group	Values
invariant reaction	31
phase transition	30

Invariant reactions (literature)

Invariant reactions reported in the literature for the B–Fe–Pr system (31)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1906	other: liq. -> FeB + PrB6	liq.: B 0.5051, Pr 3.000e-5	model	[1] Chen 2020	Table 5, p. 12, row 1 report
1818	quasi-peritectic: liq. + PrB6 -> FeB + PrB4	liq.: B 0.3927, Pr 0.0016	model	[1] Chen 2020	Table 5, p. 12, row 2 report
1782	eutectic: liq. -> FeB + PrB6 + rhombo(B)	liq.: B 0.6331, Pr 0	model	[1] Chen 2020	Table 5, p. 12, row 3 report
1679	quasi-peritectic: liq. + FeB -> PrB4 + Fe2B	liq.: B 0.3269, Pr 0.0036	model	[1] Chen 2020	Table 5, p. 12, row 4 report
1527	other: liq. + PrB4 -> Pr1.1Fe4B4	liq.: B 0.2243, Pr 0.0745	model	[1] Chen 2020	Table 5, p. 12, row 5 report
1526	quasi-peritectic: liq. + PrB4 -> Fe2B + Pr1.1Fe4B4	liq.: B 0.228, Pr 0.061	model	[1] Chen 2020	Table 5, p. 12, row 6 report
1423	quasi-peritectic: liq. + PrB4 -> Pr2B5 + Pr1.1Fe4B4	liq.: B 0.147, Pr 0.3679	model	[1] Chen 2020	Table 5, p. 12, row 7 report
1418	liq. + fcc(Fe) -> Pr2Fe14B		unspecified	[1] Chen 2020 cites Tian 1987	Table 5, p. 12, row 10 report
1418	other: liq. + fcc(Fe) -> Pr2Fe14B	liq.: B 0.0963, Pr 0.1798	model	[1] Chen 2020	Table 5, p. 12, row 8 report
1418	liq. + fcc(Fe) -> Pr2Fe14B		experimental	[1] Chen 2020	Table 5, p. 12, row 9 report
1398	liq. + fcc(Fe) -> Pr2Fe14B		unspecified	[1] Chen 2020 cites Neiva 1995 doi	Table 5, p. 12, row 11 report
1373	liq. -> Pr2Fe14B + Pr1.1Fe4B4		unspecified	[1] Chen 2020 cites Tian 1987	Table 5, p. 12, row 14 report
1369	liq. -> Pr2Fe14B + Pr1.1Fe4B4		experimental	[1] Chen 2020	Table 5, p. 12, row 13 report
1368	other: liq. -> Pr2Fe14B + Pr1.1Fe4B4	liq.: B 0.1524, Pr 0.1139	model	[1] Chen 2020	Table 5, p. 12, row 12 report
1366	quasi-peritectic: liq. + Fe2B -> Pr1.1Fe4B4 + fcc(Fe)	liq.: B 0.1579, Pr 0.0703	model	[1] Chen 2020	Table 5, p. 12, row 16 report
1363	liq. -> Pr2Fe14B + Pr1.1Fe4B4		unspecified	[1] Chen 2020 cites Neiva 1995 doi	Table 5, p. 12, row 15 report
1362	eutectic: liq. -> fcc(Fe) + Pr2Fe14B + Pr1.1Fe4B4	liq.: B 0.1543, Pr 0.0815	model	[1] Chen 2020	Table 5, p. 12, row 17 report
1358	liq. -> fcc(Fe) + Pr2Fe14B + Pr1.1Fe4B4		experimental	[1] Chen 2020	Table 5, p. 12, row 18 report
1358	liq. + fcc(Fe) -> Pr2Fe14B + Pr2Fe17		unspecified	[1] Chen 2020 cites Tian 1987	Table 5, p. 12, row 20 report
1355	liq. + fcc(Fe) -> Pr2Fe14B + Pr2Fe17		unspecified	[1] Chen 2020 cites Neiva 1995 doi	Table 5, p. 12, row 21 report
1355	quasi-peritectic: liq. + fcc(Fe) -> Pr2Fe14B + Pr2Fe17	liq.: B 0.0326, Pr 0.4014	model	[1] Chen 2020	Table 5, p. 12, row 19 report
1240	peritectic: liq. + Pr1.1Fe4B4 + Pr2B5 -> Pr5Fe2B6	liq.: B 0.0647, Pr 0.6533	model	[1] Chen 2020	Table 5, p. 12, row 22 report
1068	other: bcc(Pr) + Pr2B5 -> liq. + dhcp(Pr)	liq.: B 0.0095, Pr 0.9184	model	[1] Chen 2020	Table 5, p. 12, row 23 report
1063	quasi-peritectic: liq. + Pr2B5 -> Pr5Fe2B6 + dhcp(Pr)	liq.: B 0.0095, Pr 0.9145	model	[1] Chen 2020	Table 5, p. 12, row 24 report
1013	liq. + Pr5Fe2B6 -> Pr1.1Fe4B4 + dhcp(Pr)		unspecified	[1] Chen 2020 cites Neiva 1995 doi	Table 5, p. 12, row 26 report
967	quasi-peritectic: liq. + Pr5Fe2B6 -> Pr1.1Fe4B4 + dhcp(Pr)	liq.: B 0.0066, Pr 0.8231	model	[1] Chen 2020	Table 5, p. 12, row 25 report
963	liq. + Pr1.1Fe4B4 -> Pr2Fe14B + dhcp(Pr)		unspecified	[1] Chen 2020 cites Neiva 1995 doi	Table 5, p. 12, row 28 report
961	quasi-peritectic: liq. + Pr1.1Fe4B4 -> Pr2Fe14B + dhcp(Pr)	liq.: B 0.0063, Pr 0.8179	model	[1] Chen 2020	Table 5, p. 12, row 27 report
949	liq. -> Pr2Fe14B + dhcp(Pr) + Pr2Fe17		unspecified	[1] Chen 2020 cites Tian 1987	Table 5, p. 12, row 30 report
943	liq. -> Pr2Fe14B + dhcp(Pr) + Pr2Fe17		unspecified	[1] Chen 2020 cites Neiva 1995 doi	Table 5, p. 12, row 31 report
939	eutectic: liq. -> Pr2Fe14B + dhcp(Pr) + Pr2Fe17	liq.: B 3.000e-4, Pr 0.8018	model	[1] Chen 2020	Table 5, p. 12, row 29 report

Other properties

Phase transition (30)

Phase transition, B–Fe–Pr system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Phase transition	940 K	940	liq. → Pr2Fe14B + Pr2Fe17 + dhcp(Pr) alloy: B 0.03, Fe 0.73, Pr 0.24	experimental	[1] Chen 2020	Table 2, p. 3, row 19 report
Phase transition	950 K	950	liq. + Pr1.1Fe4B4 → Pr2Fe14B + dhcp(Pr) alloy: B 0.07, Fe 0.787, Pr 0.143	experimental	[1] Chen 2020	Table 2, p. 3, row 33 report
Phase transition	952 K	952	liq. + Pr1.1Fe4B4 → Pr2Fe14B + dhcp(Pr) alloy: B 0.081, Fe 0.766, Pr 0.153	experimental	[1] Chen 2020	Table 2, p. 3, row 29 report
Phase transition	959 K	959	liq. + Pr1.1Fe4B4 → Pr2Fe14B + dhcp(Pr) alloy: B 0.107, Fe 0.478, Pr 0.415	experimental	[1] Chen 2020	Table 2, p. 3, row 25 report
Phase transition	960 K	960	liq. + Pr1.1Fe4B4 → Pr2Fe14B + dhcp(Pr) alloy: B 0.07, Fe 0.586, Pr 0.344	experimental	[1] Chen 2020	Table 2, p. 3, row 22 report
Phase transition	1290 K	1290	liq. → Pr1.1Fe4B4 + Pr2Fe14B alloy: B 0.107, Fe 0.478, Pr 0.415	experimental	[1] Chen 2020	Table 2, p. 3, row 24 report
Phase transition	1301 K	1301	liq. → Pr2Fe14B + Pr1.1Fe4B4 alloy: B 0.07, Fe 0.586, Pr 0.344	experimental	[1] Chen 2020	Table 2, p. 3, row 21 report
Phase transition	1338 K	1338	liq. → Pr1.1Fe4B4 alloy: B 0.107, Fe 0.478, Pr 0.415	experimental	[1] Chen 2020	Table 2, p. 3, row 23 report
Phase transition	1357 K	1357	liq. → fcc(Fe) + Pr2Fe14B + Pr1.1Fe4B4 alloy: B 0.2, Fe 0.754, Pr 0.046	experimental	[1] Chen 2020	Table 2, p. 3, row 15 report
Phase transition	1359 K	1359	liq. → fcc(Fe) + Pr2Fe14B + Pr1.1Fe4B4 alloy: B 0.103, Fe 0.8, Pr 0.097	experimental	[1] Chen 2020	Table 2, p. 3, row 5 report
Phase transition	1365 K	1365	liq. → Pr2Fe14B alloy: B 0.07, Fe 0.586, Pr 0.344	experimental	[1] Chen 2020	Table 2, p. 3, row 20 report
Phase transition	1367 K	1367	liq. → Pr2Fe14B + Pr1.1Fe4B4 alloy: B 0.2, Fe 0.657, Pr 0.143	experimental	[1] Chen 2020	Table 2, p. 3, row 10 report
Phase transition	1367 K	1367	liq. → Pr2Fe14B + Pr1.1Fe4B4 alloy: B 0.121, Fe 0.747, Pr 0.132	experimental	[1] Chen 2020	Table 2, p. 3, row 7 report
Phase transition	1368 K	1368	liq. + fcc(Fe) → Pr2Fe14B + Pr2Fe17 alloy: B 0.03, Fe 0.73, Pr 0.24	experimental	[1] Chen 2020	Table 2, p. 3, row 18 report
Phase transition	1368 K	1368	liq. → Pr2Fe14B + Pr1.1Fe4B4 alloy: B 0.081, Fe 0.766, Pr 0.153	experimental	[1] Chen 2020	Table 2, p. 3, row 28 report
Phase transition	1369 K	1369	liq. + Fe2B → fcc(Fe) + Pr1.1Fe4B4 alloy: B 0.2, Fe 0.754, Pr 0.046	experimental	[1] Chen 2020	Table 2, p. 3, row 14 report
Phase transition	1369 K	1369	liq. → Pr2Fe14B + Pr1.1Fe4B4 alloy: B 0.07, Fe 0.787, Pr 0.143	experimental	[1] Chen 2020	Table 2, p. 3, row 32 report
Phase transition	1387 K	1387	liq. + fcc(Fe) → Pr2Fe14B alloy: B 0.03, Fe 0.73, Pr 0.24	experimental	[1] Chen 2020	Table 2, p. 3, row 17 report
Phase transition	1400 K	1400	liq. + fcc(Fe) → Pr2Fe14B alloy: B 0.103, Fe 0.8, Pr 0.097	experimental	[1] Chen 2020	Table 2, p. 3, row 3 report
Phase transition	1412 K	1412	liq. → Pr2Fe14B alloy: B 0.121, Fe 0.747, Pr 0.132	experimental	[1] Chen 2020	Table 2, p. 3, row 6 report
Phase transition	1414 K	1414	liq. + fcc(Fe) → Pr2Fe14B alloy: B 0.07, Fe 0.787, Pr 0.143	experimental	[1] Chen 2020	Table 2, p. 3, row 31 report
Phase transition	1417 K	1417	liq. → Fe2B + fcc(Fe) alloy: B 0.2, Fe 0.754, Pr 0.046	experimental	[1] Chen 2020	Table 2, p. 3, row 13 report
Phase transition	1418 K	1418	liq. + fcc(Fe) → Pr2Fe14B alloy: B 0.081, Fe 0.766, Pr 0.153	experimental	[1] Chen 2020	Table 2, p. 3, row 27 report
Phase transition	1438 K	1438	— alloy: B 0.103, Fe 0.8, Pr 0.097	experimental	[1] Chen 2020	Table 2, p. 3, row 2 report
Phase transition	1473 K	1473	liq. → Fe2B alloy: B 0.2, Fe 0.754, Pr 0.046	experimental	[1] Chen 2020	Table 2, p. 3, row 12 report
Phase transition	1490 K	1490	liq. → fcc(Fe) alloy: B 0.103, Fe 0.8, Pr 0.097	experimental	[1] Chen 2020	Table 2, p. 3, row 1 report
Phase transition	1491 K	1491	liq. → fcc(Fe) alloy: B 0.081, Fe 0.766, Pr 0.153	experimental	[1] Chen 2020	Table 2, p. 3, row 26 report
Phase transition	1510 K	1510	liq. → fcc(Fe) alloy: B 0.07, Fe 0.787, Pr 0.143	experimental	[1] Chen 2020	Table 2, p. 3, row 30 report
Phase transition	1518 K	1518	liq. → fcc(Fe) alloy: B 0.03, Fe 0.73, Pr 0.24	experimental	[1] Chen 2020	Table 2, p. 3, row 16 report
Phase transition	1544 K	1544	liq. → Pr1.1Fe4B4 alloy: B 0.2, Fe 0.657, Pr 0.143	experimental	[1] Chen 2020	Table 2, p. 3, row 9 report

Sources

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

Taili Chen, Cuiping Guo, Changrong Li, Zhenmin Du, Experimental investigation and thermodynamic description of the Pr–Fe–B system, Journal of Magnetism and Magnetic Materials 497, 165983 (2020). doi:10.1016/j.jmmm.2019.165983

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 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_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}
}