Nb–B system

0 accepted literature values from 0 paper(s); 5 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
NbB-07Pec.tdb	R.M. Pecanha, F. Ferreira, G.C. Coelho, C.A. Nunes, B. Sundman, Intermetallics, 15, 999-1005(2007). doi:10.1016/j.intermet.2006.10.054	`69bb1b9f802ec19af78b2a85c1fcdb4df5a8bc0b764364baaeb7d63fc381bb09`	viewer · TDB · JSON
NbB-08Wit.tdb	V.T. Witusiewicz, A.A. Bondar, U. Hecht, S. Rex, T.Ya. Velikanova, J. Alloys Compd., 448, 185-94(2008). doi:10.1016/j.jallcom.2006.10.034	`2bc2c38fb45e540c8ce91c2bed823a03b21db964cc6147ac11ca060377282ecd`	viewer · TDB · JSON
NbB-08Yos.tdb	K. Yoshitomi, Y. Nakama, H. Ohtani, M. Hasebe, ISIJ Int., 48, 835-44(2008). doi:10.2355/isijinternational.48.835	`3dfd7add5bd6f59611d1863efc7a52790dc4a3cd4dc87028630ab1fc2d923ddf`	viewer · TDB · JSON
NbB-09Nak.tdb	Y. Nakama, H. Ohtani, M. Hasebe, Mater. Trans. (JIM), 50, 984-93(2009). doi:10.2320/matertrans.MC200820	`a5b39b98692d5b705d483011d0a8a829f869516e851484fb4d364b398addd088`	viewer · TDB · JSON
NbB-23Pan.tdb	Y. Pan, X. Yang, Z. Fan, A. Liu, J. Zhang, F. Luo, Y. Du, L. Huang, Calphad, 82, 102602(2023). doi:10.1016/j.calphad.2023.102602	`71523b86a3d618ea5be31d7b56c053add18ec9e792568d5b7645c2dde0a8af86`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
NbB-07Pec.tdb	3213.89	LIQUID (x(B) 0.56299) + NB3B4_D7B (x(B) 0.57143) + NBB2_C32 (x(B) 0.66529)
NbB-07Pec.tdb	3213.88	LIQUID (x(B) 0.56314) + NB3B4_D7B (x(B) 0.57143) + NBB2_C32 (x(B) 0.66529)
NbB-07Pec.tdb	3197.32	LIQUID (x(B) 0.52258) + NB5B6 (x(B) 0.54545) + NB3B4_D7B (x(B) 0.57143)
NbB-07Pec.tdb	3197.31	LIQUID (x(B) 0.5229) + NB5B6 (x(B) 0.54545) + NB3B4_D7B (x(B) 0.57143)
NbB-07Pec.tdb	3197.31	LIQUID (x(B) 0.52298) + NB5B6 (x(B) 0.54545) + NB3B4_D7B (x(B) 0.57143)
NbB-07Pec.tdb	3197.31	LIQUID (x(B) 0.523) + NB5B6 (x(B) 0.54545) + NB3B4_D7B (x(B) 0.57143)
NbB-07Pec.tdb	3192.47	NBB_B33 (x(B) 0.5) + LIQUID (x(B) 0.51133) + NB5B6 (x(B) 0.54545)
NbB-07Pec.tdb	3192.47	NBB_B33 (x(B) 0.5) + LIQUID (x(B) 0.51141) + NB5B6 (x(B) 0.54545)
NbB-07Pec.tdb	3192.47	NBB_B33 (x(B) 0.5) + LIQUID (x(B) 0.51125) + NB5B6 (x(B) 0.54545)
NbB-07Pec.tdb	3192.47	NBB_B33 (x(B) 0.5) + LIQUID (x(B) 0.51124) + NB5B6 (x(B) 0.54545)
NbB-07Pec.tdb	2453.95	BCC_A2 (x(B) 0.02696) + LIQUID (x(B) 0.15338) + NBB_B33 (x(B) 0.5)
NbB-07Pec.tdb	2453.95	BCC_A2 (x(B) 0.02694) + LIQUID (x(B) 0.15327) + NBB_B33 (x(B) 0.5)
NbB-07Pec.tdb	2345.83	BCC_A2 (x(B) 0.02094) + NB3B2_D5A (x(B) 0.4) + NBB_B33 (x(B) 0.5)
NbB-07Pec.tdb	2345.83	BCC_A2 (x(B) 0.02095) + NB3B2_D5A (x(B) 0.4) + NBB_B33 (x(B) 0.5)
NbB-07Pec.tdb	2319.2	NBB2_C32 (x(B) 0.7053) + LIQUID (x(B) 0.97264) + BETA_RHOMBO_B (x(B) 1)
NbB-08Wit.tdb	3186.2	LIQUID (x(B) 0.52736) + NB3B4_D7B (x(B) 0.57143) + NBB2_C32 (x(B) 0.60952)
NbB-08Wit.tdb	3174.19	LIQUID (x(B) 0.51417) + NB5B6 (x(B) 0.54545) + NB3B4_D7B (x(B) 0.57143)
NbB-08Wit.tdb	3174.07	NBB_B33 (x(B) 0.4993) + LIQUID (x(B) 0.51396) + NB5B6 (x(B) 0.54545)
NbB-08Wit.tdb	2649.67	NB3B4_D7B (x(B) 0.57143) + NB2B3 (x(B) 0.6) + NBB2_C32 (x(B) 0.6319)
NbB-08Wit.tdb	2649.67	NB3B4_D7B (x(B) 0.57143) + NB2B3 (x(B) 0.6) + NBB2_C32 (x(B) 0.63189)
NbB-08Wit.tdb	2452.77	BCC_A2 (x(B) 0.02027) + LIQUID (x(B) 0.15062) + NBB_B33 (x(B) 0.48788)
NbB-08Wit.tdb	2350.56	BCC_A2 (x(B) 0.01853) + NB3B2_D5A (x(B) 0.4) + NBB_B33 (x(B) 0.48963)
NbB-08Wit.tdb	2350.56	BCC_A2 (x(B) 0.01853) + NB3B2_D5A (x(B) 0.4) + NBB_B33 (x(B) 0.48964)
NbB-08Wit.tdb	2284.57	NBB2_C32 (x(B) 0.70294) + LIQUID (x(B) 0.95444) + BETA_RHOMBO_B (x(B) 0.99521)
NbB-08Yos.tdb	3189.01	LIQUID (x(B) 0.52011) + NB3B4_D7B (x(B) 0.57143) + NBB2_C32 (x(B) 0.61526)
NbB-08Yos.tdb	3189.01	LIQUID (x(B) 0.52014) + NB3B4_D7B (x(B) 0.57143) + NBB2_C32 (x(B) 0.61527)
NbB-08Yos.tdb	3178.59	LIQUID (x(B) 0.50999) + NB5B6 (x(B) 0.54545) + NB3B4_D7B (x(B) 0.57143)
NbB-08Yos.tdb	3178.59	LIQUID (x(B) 0.51015) + NB5B6 (x(B) 0.54545) + NB3B4_D7B (x(B) 0.57143)
NbB-08Yos.tdb	3178.59	LIQUID (x(B) 0.50986) + NB5B6 (x(B) 0.54545) + NB3B4_D7B (x(B) 0.57143)
NbB-08Yos.tdb	3174.56	NBB_B33 (x(B) 0.5) + LIQUID (x(B) 0.50419) + NB5B6 (x(B) 0.54545)
NbB-08Yos.tdb	3174.56	NBB_B33 (x(B) 0.5) + LIQUID (x(B) 0.50406) + NB5B6 (x(B) 0.54545)
NbB-08Yos.tdb	2643.85	NB3B4_D7B (x(B) 0.57143) + NB2B3 (x(B) 0.6) + NBB2_C32 (x(B) 0.62774)
NbB-08Yos.tdb	2439.54	BCC_A2 (x(B) 0.01174) + LIQUID (x(B) 0.1504) + NBB_B33 (x(B) 0.5)
NbB-08Yos.tdb	2439.54	BCC_A2 (x(B) 0.01173) + LIQUID (x(B) 0.15035) + NBB_B33 (x(B) 0.5)
NbB-08Yos.tdb	2415.86	BCC_A2 (x(B) 0.01145) + NB3B2_D5A (x(B) 0.4) + NBB_B33 (x(B) 0.5)
NbB-08Yos.tdb	2415.86	BCC_A2 (x(B) 0.01144) + NB3B2_D5A (x(B) 0.4) + NBB_B33 (x(B) 0.5)
NbB-08Yos.tdb	2415.86	BCC_A2 (x(B) 0.01145) + NB3B2_D5A (x(B) 0.4) + NBB_B33 (x(B) 0.5)
NbB-08Yos.tdb	2415.86	BCC_A2 (x(B) 0.01144) + NB3B2_D5A (x(B) 0.4) + NBB_B33 (x(B) 0.5)
NbB-08Yos.tdb	2270.37	NBB2_C32 (x(B) 0.7037) + LIQUID (x(B) 0.94972) + BETA_RHOMBO_B (x(B) 1)
NbB-08Yos.tdb	369.95	NB3B4_D7B (x(B) 0.57143) + NB2B3 (x(B) 0.6) + NBB2_C32 (x(B) 0.66769)
NbB-09Nak.tdb	3192.71	LIQUID (x(B) 0.54238) + NB3B4_D7B (x(B) 0.572) + NBB2_C32 (x(B) 0.63827)
NbB-09Nak.tdb	3192.71	LIQUID (x(B) 0.54252) + NB3B4_D7B (x(B) 0.572) + NBB2_C32 (x(B) 0.6383)
NbB-09Nak.tdb	3176.65	LIQUID (x(B) 0.52113) + NB5B6 (x(B) 0.545) + NB3B4_D7B (x(B) 0.572)
NbB-09Nak.tdb	3176.65	LIQUID (x(B) 0.5212) + NB5B6 (x(B) 0.545) + NB3B4_D7B (x(B) 0.572)
NbB-09Nak.tdb	3174.58	NBB_B33 (x(B) 0.5) + LIQUID (x(B) 0.51683) + NB5B6 (x(B) 0.545)
NbB-09Nak.tdb	3174.58	NBB_B33 (x(B) 0.5) + LIQUID (x(B) 0.51678) + NB5B6 (x(B) 0.545)
NbB-09Nak.tdb	2664.94	NB3B4_D7B (x(B) 0.572) + NB2B3 (x(B) 0.6) + NBB2_C32 (x(B) 0.64)
NbB-09Nak.tdb	2440.11	BCC_A2 (x(B) 0.01171) + LIQUID (x(B) 0.15019) + NBB_B33 (x(B) 0.5)
NbB-09Nak.tdb	2440.11	BCC_A2 (x(B) 0.01171) + LIQUID (x(B) 0.15014) + NBB_B33 (x(B) 0.5)
NbB-09Nak.tdb	2352.57	BCC_A2 (x(B) 0.01066) + NB3B2_D5A (x(B) 0.4) + NBB_B33 (x(B) 0.5)
NbB-09Nak.tdb	2352.57	BCC_A2 (x(B) 0.01066) + NB3B2_D5A (x(B) 0.4) + NBB_B33 (x(B) 0.5)
NbB-09Nak.tdb	2352.57	BCC_A2 (x(B) 0.01066) + NB3B2_D5A (x(B) 0.4) + NBB_B33 (x(B) 0.5)
NbB-09Nak.tdb	2352.57	BCC_A2 (x(B) 0.01066) + NB3B2_D5A (x(B) 0.4) + NBB_B33 (x(B) 0.5)
NbB-09Nak.tdb	2276.54	NBB2_C32 (x(B) 0.70499) + LIQUID (x(B) 0.95265) + BETA_RHOMBO_B (x(B) 1)
NbB-23Pan.tdb	3186.2	LIQUID (x(B) 0.52736) + NB3B4_D7B (x(B) 0.57143) + NBB2_C32 (x(B) 0.60952)
NbB-23Pan.tdb	3176.08	NBB_B33 (x(B) 0.49527) + LIQUID (x(B) 0.51606) + NB3B4_D7B (x(B) 0.57143)
NbB-23Pan.tdb	3082.6	NBB_B33 (x(B) 0.49563) + NB5B6 (x(B) 0.54545) + NB3B4_D7B (x(B) 0.57143)
NbB-23Pan.tdb	3082.6	NBB_B33 (x(B) 0.49563) + NB5B6 (x(B) 0.54545) + NB3B4_D7B (x(B) 0.57143)
NbB-23Pan.tdb	2649.67	NB3B4_D7B (x(B) 0.57143) + NB2B3 (x(B) 0.6) + NBB2_C32 (x(B) 0.6319)
NbB-23Pan.tdb	2649.67	NB3B4_D7B (x(B) 0.57143) + NB2B3 (x(B) 0.6) + NBB2_C32 (x(B) 0.63189)
NbB-23Pan.tdb	2460.97	BCC_A2 (x(B) 0.01965) + LIQUID (x(B) 0.14781) + NBB_B33 (x(B) 0.47539)
NbB-23Pan.tdb	2310.17	BCC_A2 (x(B) 0.01737) + NB3B2_D5A (x(B) 0.4) + NBB_B33 (x(B) 0.47898)
NbB-23Pan.tdb	2284.57	NBB2_C32 (x(B) 0.70294) + LIQUID (x(B) 0.95444) + BETA_RHOMBO_B (x(B) 0.99521)

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}
}