Fe–B system

0 accepted literature values from 0 paper(s); 7 calculated phase diagram(s).

Data: interactive phase diagram · Markdown

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
FeB-01Pal.tdb	M. Palumbo, G. Cacciamani, E. Bosco, M. Baricco, Calphad, 25, 625-37(2001). doi:10.1016/S0364-5916(02)00012-3	`d868b8575842d60b902a516560a74f20e76d051efc995445aa9be40f1d01aabf`	viewer · TDB · JSON
FeB-02Rom.tdb	T. Van Rompaey, K.C. Hari Kumar, P. Wollants, J. Alloys Compd., 334, 173-81(2002).	`76003da4f9d7a948978d07416cd8c6fc6849efd95bd33ef34a5216ede742c992`	viewer · TDB · JSON
FeB-08Yos.tdb	K. Yoshitomi, Y. Nakama, H. Ohtani, M. Hasebe, ISIJ Int., 48, 835-44(2008). doi:10.2355/isijinternational.48.835	`bca7bc67b25d3e8bfbee09d03e47ecdb901b39084cb66856cc2a725a070ee6f1`	viewer · TDB · JSON
FeB-19Wit.tdb	V.T. Witusiewicz, A.A. Bondar, U. Hecht, A. Theofilatos, N.I. Tsyganenko, S.V. Utkin, I.B. Tikhonova, J. Alloys Compd., 800, 419-49(2019). doi:10.1016/j.jallcom.2019.05.341	`a20e39e4c8231b9ef69fed71aa7c23195d88d62d6db3aacc248fcd404445df70`	viewer · TDB · JSON
FeB-20Tak.tdb	K. Takahashi, K. Ishikawa, M. Fujioka, M. Enoki, H. Ohtani, Tetsu-to-Hagane, 106, 310-20(2020). doi:10.2355/tetsutohagane.TETSU-2019-097	`17fba6129d08f63e0d3725813578443a16b5ed00be2a1edca5cad04e5fe9315c`	viewer · TDB · JSON
FeB-91Pan.tdb	L.M. Pan, unpublished research, 1991.	`9f52784aa22c8ff3f0897df2ad6878b58c903241f0983e5430d5ca3db77f2e44`	viewer · TDB · JSON
FeB-94Hal-LB.tdb	B. Hallemans, P. Wollants, J.R. Roos, Z. Metallkd., 85, 676-82(1994). doi:10.1515/ijmr-1994-851002	`724a628400ef810cb479abfadf4cb9931f7b146840942f0561e61a99cf63763b`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
FeB-01Pal.tdb	1764.32	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.62974) + BETA_RHOMBO_B (x(B) 1)
FeB-01Pal.tdb	1764.32	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.62987) + BETA_RHOMBO_B (x(B) 1)
FeB-01Pal.tdb	1667.98	M2B_C16 (x(B) 0.33333) + LIQUID (x(B) 0.33516) + MB_B27 (x(B) 0.5)
FeB-01Pal.tdb	1667.98	M2B_C16 (x(B) 0.33333) + LIQUID (x(B) 0.3354) + MB_B27 (x(B) 0.5)
FeB-01Pal.tdb	1655.52	FCC_A1 (x(B) 1.000e-4) + BCC_A2 (x(B) 5.200e-4) + LIQUID (x(B) 0.09669)
FeB-01Pal.tdb	1469.01	FCC_A1 (x(B) 1.700e-4) + LIQUID (x(B) 0.16663) + M2B_C16 (x(B) 0.33333)
FeB-01Pal.tdb	1469.01	FCC_A1 (x(B) 1.700e-4) + LIQUID (x(B) 0.16656) + M2B_C16 (x(B) 0.33333)
FeB-01Pal.tdb	1185.25	FCC_A1 (x(B) 4.000e-5) + BCC_A2 (x(B) 7.000e-5) + M2B_C16 (x(B) 0.33333)
FeB-02Rom.tdb	1772.47	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.62624) + BETA_RHOMBO_B (x(B) 1)
FeB-02Rom.tdb	1772.47	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.6263) + BETA_RHOMBO_B (x(B) 1)
FeB-02Rom.tdb	1772.47	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.62639) + BETA_RHOMBO_B (x(B) 1)
FeB-02Rom.tdb	1668.98	BCC_A2 (x(B) 9.000e-5) + FCC_A1 (x(B) 1.400e-4) + LIQUID (x(B) 0.08603)
FeB-02Rom.tdb	1668.98	BCC_A2 (x(B) 9.000e-5) + FCC_A1 (x(B) 1.400e-4) + LIQUID (x(B) 0.08603)
FeB-02Rom.tdb	1668.98	BCC_A2 (x(B) 9.000e-5) + FCC_A1 (x(B) 1.400e-4) + LIQUID (x(B) 0.08603)
FeB-02Rom.tdb	1661.05	LIQUID (x(B) 0.31767) + M2B_C16 (x(B) 0.33333) + MB_B27 (x(B) 0.5)
FeB-02Rom.tdb	1661.04	LIQUID (x(B) 0.31746) + M2B_C16 (x(B) 0.33333) + MB_B27 (x(B) 0.5)
FeB-02Rom.tdb	1469.24	FCC_A1 (x(B) 2.800e-4) + LIQUID (x(B) 0.16659) + M2B_C16 (x(B) 0.33333)
FeB-02Rom.tdb	1469.24	FCC_A1 (x(B) 2.800e-4) + LIQUID (x(B) 0.16654) + M2B_C16 (x(B) 0.33333)
FeB-02Rom.tdb	1184.2	BCC_A2 (x(B) 4.000e-5) + FCC_A1 (x(B) 1.000e-4) + M2B_C16 (x(B) 0.33333)
FeB-08Yos.tdb	1729.88	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.65394) + BETA_RHOMBO_B (x(B) 1)
FeB-08Yos.tdb	1729.88	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.65399) + BETA_RHOMBO_B (x(B) 1)
FeB-08Yos.tdb	1729.88	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.65403) + BETA_RHOMBO_B (x(B) 1)
FeB-08Yos.tdb	1666.26	FCC_A1 (x(B) 7.000e-5) + BCC_A2 (x(B) 1.100e-4) + LIQUID (x(B) 0.08288)
FeB-08Yos.tdb	1666.26	FCC_A1 (x(B) 7.000e-5) + BCC_A2 (x(B) 1.100e-4) + LIQUID (x(B) 0.08287)
FeB-08Yos.tdb	1664.59	LIQUID (x(B) 0.3265) + M2B_C16 (x(B) 0.33333) + MB_B27 (x(B) 0.5)
FeB-08Yos.tdb	1664.58	LIQUID (x(B) 0.32637) + M2B_C16 (x(B) 0.33333) + MB_B27 (x(B) 0.5)
FeB-08Yos.tdb	1430.82	FCC_A1 (x(B) 9.000e-5) + LIQUID (x(B) 0.16715) + M2B_C16 (x(B) 0.33333)
FeB-08Yos.tdb	1430.82	FCC_A1 (x(B) 9.000e-5) + LIQUID (x(B) 0.16707) + M2B_C16 (x(B) 0.33333)
FeB-08Yos.tdb	1185.02	FCC_A1 (x(B) 1.000e-5) + BCC_A2 (x(B) 3.000e-5) + M2B_C16 (x(B) 0.33333)
FeB-19Wit.tdb	1772.87	MB_B27 (x(B) 0.50573) + LIQUID (x(B) 0.63977) + BETA_RHOMBO_B (x(B) 0.985)
FeB-19Wit.tdb	1668.98	BCC_A2 (x(B) 5.000e-5) + FCC_A1 (x(B) 1.000e-4) + LIQUID (x(B) 0.0728)
FeB-19Wit.tdb	1668.98	BCC_A2 (x(B) 5.000e-5) + FCC_A1 (x(B) 1.000e-4) + LIQUID (x(B) 0.0728)
FeB-19Wit.tdb	1668.98	BCC_A2 (x(B) 5.000e-5) + FCC_A1 (x(B) 1.000e-4) + LIQUID (x(B) 0.07278)
FeB-19Wit.tdb	1656.27	LIQUID (x(B) 0.32236) + M2B_C16 (x(B) 0.33333) + MB_B27 (x(B) 0.48749)
FeB-19Wit.tdb	1485.05	MB_B27 (x(B) 0.50254) + MB_B33 (x(B) 0.50254) + BETA_RHOMBO_B (x(B) 0.99553)
FeB-19Wit.tdb	1485.05	M2B_C16 (x(B) 0.33333) + MB_B27 (x(B) 0.49132) + MB_B33 (x(B) 0.49132)
FeB-19Wit.tdb	1485.05	M2B_C16 (x(B) 0.33333) + MB_B27 (x(B) 0.49124) + MB_B33 (x(B) 0.49124)
FeB-19Wit.tdb	1435.15	FCC_A1 (x(B) 2.200e-4) + LIQUID (x(B) 0.17061) + M2B_C16 (x(B) 0.33333)
FeB-19Wit.tdb	1435.15	FCC_A1 (x(B) 2.200e-4) + LIQUID (x(B) 0.1706) + M2B_C16 (x(B) 0.33333)
FeB-19Wit.tdb	1184.03	BCC_A2 (x(B) 1.000e-5) + FCC_A1 (x(B) 7.000e-5) + M2B_C16 (x(B) 0.33333)
FeB-20Tak.tdb	1773.17	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.66099) + BETA_RHOMBO_B (x(B) 0.98225)
FeB-20Tak.tdb	1773.17	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.661) + BETA_RHOMBO_B (x(B) 0.98225)
FeB-20Tak.tdb	1673.51	LIQUID (x(B) 0.29614) + M2B_C16 (x(B) 0.33333) + MB_B27 (x(B) 0.5)
FeB-20Tak.tdb	1673.51	LIQUID (x(B) 0.29617) + M2B_C16 (x(B) 0.33333) + MB_B27 (x(B) 0.5)
FeB-20Tak.tdb	1666.26	FCC_A1 (x(B) 7.000e-5) + BCC_A2 (x(B) 1.100e-4) + LIQUID (x(B) 0.08288)
FeB-20Tak.tdb	1666.26	FCC_A1 (x(B) 7.000e-5) + BCC_A2 (x(B) 1.100e-4) + LIQUID (x(B) 0.08287)
FeB-20Tak.tdb	1459.12	FCC_A1 (x(B) 9.000e-5) + LIQUID (x(B) 0.15997) + M2B_C16 (x(B) 0.33333)
FeB-20Tak.tdb	1459.12	FCC_A1 (x(B) 9.000e-5) + LIQUID (x(B) 0.15991) + M2B_C16 (x(B) 0.33333)
FeB-20Tak.tdb	1184.96	FCC_A1 (x(B) 1.000e-5) + BCC_A2 (x(B) 2.000e-5) + M2B_C16 (x(B) 0.33333)
FeB-20Tak.tdb	1184.96	FCC_A1 (x(B) 1.000e-5) + BCC_A2 (x(B) 2.000e-5) + M2B_C16 (x(B) 0.33333)
FeB-91Pan.tdb	1736.59	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.64289) + BETA_RHOMBO_B (x(B) 1)
FeB-91Pan.tdb	1736.59	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.64292) + BETA_RHOMBO_B (x(B) 1)
FeB-91Pan.tdb	1736.59	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.64304) + BETA_RHOMBO_B (x(B) 1)
FeB-91Pan.tdb	1683.9	LIQUID (x(B) 0.33204) + M2B_C16 (x(B) 0.33333) + MB_B27 (x(B) 0.5)
FeB-91Pan.tdb	1683.9	LIQUID (x(B) 0.33247) + M2B_C16 (x(B) 0.33333) + MB_B27 (x(B) 0.5)
FeB-91Pan.tdb	1632.56	FCC_A1 (x(B) 0.00114) + BCC_A2 (x(B) 0.00235) + LIQUID (x(B) 0.09836)
FeB-91Pan.tdb	1448.23	FCC_A1 (x(B) 7.600e-4) + LIQUID (x(B) 0.1655) + M2B_C16 (x(B) 0.33333)
FeB-91Pan.tdb	1448.23	FCC_A1 (x(B) 7.600e-4) + LIQUID (x(B) 0.16549) + M2B_C16 (x(B) 0.33333)
FeB-91Pan.tdb	1186.66	FCC_A1 (x(B) 6.000e-5) + BCC_A2 (x(B) 2.200e-4) + M2B_C16 (x(B) 0.33333)
FeB-91Pan.tdb	1186.66	FCC_A1 (x(B) 5.000e-5) + BCC_A2 (x(B) 2.100e-4) + M2B_C16 (x(B) 0.33333)
FeB-94Hal-LB.tdb	1782.05	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.63302) + BETA_RHOMBO_B (x(B) 1)
FeB-94Hal-LB.tdb	1782.05	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.63309) + BETA_RHOMBO_B (x(B) 1)
FeB-94Hal-LB.tdb	1782.05	MB_B27 (x(B) 0.5) + LIQUID (x(B) 0.63326) + BETA_RHOMBO_B (x(B) 1)
FeB-94Hal-LB.tdb	1681.94	LIQUID (x(B) 0.32677) + M2B_C16 (x(B) 0.33333) + MB_B27 (x(B) 0.5)
FeB-94Hal-LB.tdb	1681.94	LIQUID (x(B) 0.32717) + M2B_C16 (x(B) 0.33333) + MB_B27 (x(B) 0.5)
FeB-94Hal-LB.tdb	1666.97	FCC_A1 (x(B) 1.100e-4) + BCC_A2 (x(B) 1.200e-4) + LIQUID (x(B) 0.08127)
FeB-94Hal-LB.tdb	1666.97	FCC_A1 (x(B) 1.100e-4) + BCC_A2 (x(B) 1.200e-4) + LIQUID (x(B) 0.08127)
FeB-94Hal-LB.tdb	1445.27	FCC_A1 (x(B) 1.900e-4) + LIQUID (x(B) 0.16439) + M2B_C16 (x(B) 0.33333)
FeB-94Hal-LB.tdb	1445.27	FCC_A1 (x(B) 1.900e-4) + LIQUID (x(B) 0.16436) + M2B_C16 (x(B) 0.33333)
FeB-94Hal-LB.tdb	1184.67	BCC_A2 (x(B) 5.000e-5) + FCC_A1 (x(B) 6.000e-5) + M2B_C16 (x(B) 0.33333)

Please cite

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 data: umbrella record of the ORCHID datasets (version 2026.10; Version 1, machine-extracted), Zenodo (2026). doi:10.5281/zenodo.23736065

Also cite 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; the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work); 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_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_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}
}