Mo–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
MoB-05Yan.tdb	Y. Yang, Y.A. Chang, Intermetallics, 13, 121-28(2005). doi:10.1016/j.intermet.2004.06.007	`70d1d12bc57b9f235badaa5c04b7116da662d59b09e634cbaa30c481312e24fa`	viewer · TDB · JSON
MoB-09Yam.tdb	K. Yamada, H. Ohtani, M. Hasebe, J. Jpn. Inst. Met., 73, 180-88(2009). doi:10.2320/jinstmet.73.180	`cb515d628eb00bec9e2b0bb69a7a34902f401344afcf87b436fc72af5b4b0fe7`	viewer · TDB · JSON
MoB-16Wit.tdb	V.T. Witusiewicz, A.A. Bondar, U. Hecht, O.A. Potazhevska, T.Ya. Velikanova, J. Alloys Compds., 655, 336-52(2016). doi:10.1016/j.jallcom.2015.09.158	`36161abf7ae351394127f65fbd93443ae37cd00288fd23952b34f11f2ab8ecce`	viewer · TDB · JSON
MoB-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	`3d8f0c60fb6fc08532fd2c4e42db9730b215840c8629e426b7f5054116a8d558`	viewer · TDB · JSON
MoB-91Pan-LB.tdb	L.-M. Pan, unpublished, 1991.	`ad22665acf03099e30d6d80d21b9ae0c258e7019fb232801f38a35f356281920`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
MoB-05Yan.tdb	2648.01	MOB (x(B) 0.5) + MOB2_C32 (x(B) 0.6309) + LIQUID (x(B) 0.6555)
MoB-05Yan.tdb	2549.54	LIQUID (x(B) 0.29761) + MO2B_C16 (x(B) 0.33333) + MOB (x(B) 0.5)
MoB-05Yan.tdb	2549.54	LIQUID (x(B) 0.29785) + MO2B_C16 (x(B) 0.33333) + MOB (x(B) 0.5)
MoB-05Yan.tdb	2447.85	BCC_A2 (x(B) 0) + LIQUID (x(B) 0.2028) + MO2B_C16 (x(B) 0.33333)
MoB-05Yan.tdb	2447.85	BCC_A2 (x(B) 0) + LIQUID (x(B) 0.20273) + MO2B_C16 (x(B) 0.33333)
MoB-05Yan.tdb	2447.85	BCC_A2 (x(B) 0) + LIQUID (x(B) 0.20266) + MO2B_C16 (x(B) 0.33333)
MoB-05Yan.tdb	2412.92	MOB2_C32 (x(B) 0.65543) + MO2B5_D8I (x(B) 0.6922) + LIQUID (x(B) 0.79988)
MoB-05Yan.tdb	2193.6	MO2B5_D8I (x(B) 0.7046) + LIQUID (x(B) 0.89067) + BETA_RHOMBO_B (x(B) 1)
MoB-05Yan.tdb	2087.99	MO2B5_D8I (x(B) 0.70617) + MOB4 (x(B) 0.8) + BETA_RHOMBO_B (x(B) 1)
MoB-05Yan.tdb	2087.99	MO2B5_D8I (x(B) 0.70617) + MOB4 (x(B) 0.8) + BETA_RHOMBO_B (x(B) 1)
MoB-05Yan.tdb	1764.31	MOB (x(B) 0.5) + MOB2_C32 (x(B) 0.65686) + MO2B5_D8I (x(B) 0.69363)
MoB-09Yam.tdb	2631.76	MB_B33 (x(B) 0.5) + MB2_C32 (x(B) 0.58069) + LIQUID (x(B) 0.68)
MoB-09Yam.tdb	2631.76	MB_B33 (x(B) 0.5) + MB2_C32 (x(B) 0.58069) + LIQUID (x(B) 0.67998)
MoB-09Yam.tdb	2551.58	LIQUID (x(B) 0.2705) + MO2B_C16 (x(B) 0.33333) + MB_B33 (x(B) 0.5)
MoB-09Yam.tdb	2469.35	BCC_A2 (x(B) 0.01432) + LIQUID (x(B) 0.20265) + MO2B_C16 (x(B) 0.33333)
MoB-09Yam.tdb	2397.89	MB2_C32#2 (x(B) 0.60026) + MB2_C32 (x(B) 0.70994) + LIQUID (x(B) 0.77535)
MoB-09Yam.tdb	2325.23	MO2B_C16 (x(B) 0.33333) + MO3B2_D5A (x(B) 0.4) + MB_B33 (x(B) 0.5)
MoB-09Yam.tdb	2197.66	MO2B_C16 (x(B) 0.33333) + MO3B2_D5A (x(B) 0.4) + MB_B33 (x(B) 0.5)
MoB-09Yam.tdb	2176.05	MB2_C32 (x(B) 0.71272) + LIQUID (x(B) 0.88528) + BETA_RHOMBO_B (x(B) 1)
MoB-09Yam.tdb	2086.49	MB2_C32 (x(B) 0.71229) + MOB4 (x(B) 0.8) + BETA_RHOMBO_B (x(B) 1)
MoB-09Yam.tdb	1815.97	MB_B33 (x(B) 0.5) + MB2_C32 (x(B) 0.60275) + MB2_C32#2 (x(B) 0.70674)
MoB-09Yam.tdb	830.91	BCC_A2 (x(B) 0) + MO2B_C16 (x(B) 0.33333) + MB_B33 (x(B) 0.5)
MoB-09Yam.tdb	778.4	MB_B33 (x(B) 0.5) + MB2_C32 (x(B) 0.70247) + MOB4 (x(B) 0.8)
MoB-16Wit.tdb	2653.79	MOB_B33 (x(B) 0.50764) + MOB2_C32 (x(B) 0.62839) + LIQUID (x(B) 0.6409)
MoB-16Wit.tdb	2539.51	LIQUID (x(B) 0.30795) + MO2B_C16 (x(B) 0.33698) + MOB_B33 (x(B) 0.48621)
MoB-16Wit.tdb	2454.33	MO2B_C16 (x(B) 0.33746) + MOB_BG (x(B) 0.48305) + MOB_B33 (x(B) 0.4883)
MoB-16Wit.tdb	2449.96	BCC_A2 (x(B) 0.00369) + LIQUID (x(B) 0.21728) + MO2B_C16 (x(B) 0.32601)
MoB-16Wit.tdb	2418.24	MOB2_C32 (x(B) 0.66137) + MO2B5_D8I (x(B) 0.6797) + LIQUID (x(B) 0.79786)
MoB-16Wit.tdb	2202.43	MO2B5_D8I (x(B) 0.69689) + LIQUID (x(B) 0.88368) + BETA_RHOMBO_B (x(B) 0.99727)
MoB-16Wit.tdb	2080.66	MO2B5_D8I (x(B) 0.69571) + MOB4 (x(B) 0.81156) + BETA_RHOMBO_B (x(B) 0.99809)
MoB-16Wit.tdb	2073.6	MOB_BG (x(B) 0.50165) + MOB_B33 (x(B) 0.50391) + MOB2_C32 (x(B) 0.61602)
MoB-16Wit.tdb	1796.92	MOB_BG (x(B) 0.50091) + MOB2_C32 (x(B) 0.61453) + MO2B5_D8I (x(B) 0.67224)
MoB-20Tak.tdb	2662.57	MOB_B33 (x(B) 0.5) + MO2B3_C32 (x(B) 0.59841) + LIQUID (x(B) 0.63513)
MoB-20Tak.tdb	2662.56	MOB_B33 (x(B) 0.5) + MO2B3_C32 (x(B) 0.59842) + LIQUID (x(B) 0.63537)
MoB-20Tak.tdb	2659.76	LIQUID (x(B) 0.35971) + MO3B2_D5A (x(B) 0.4) + MOB_B33 (x(B) 0.5)
MoB-20Tak.tdb	2659.76	LIQUID (x(B) 0.35996) + MO3B2_D5A (x(B) 0.4) + MOB_B33 (x(B) 0.5)
MoB-20Tak.tdb	2561.11	LIQUID (x(B) 0.29915) + MO2B_C16 (x(B) 0.33333) + MO3B2_D5A (x(B) 0.4)
MoB-20Tak.tdb	2561.11	LIQUID (x(B) 0.29912) + MO2B_C16 (x(B) 0.33333) + MO3B2_D5A (x(B) 0.4)
MoB-20Tak.tdb	2561.11	LIQUID (x(B) 0.29903) + MO2B_C16 (x(B) 0.33333) + MO3B2_D5A (x(B) 0.4)
MoB-20Tak.tdb	2466.55	BCC_A2 (x(B) 0.01096) + LIQUID (x(B) 0.222) + MO2B_C16 (x(B) 0.33333)
MoB-20Tak.tdb	2466.55	BCC_A2 (x(B) 0.01096) + LIQUID (x(B) 0.22196) + MO2B_C16 (x(B) 0.33333)
MoB-20Tak.tdb	2423.32	MO2B3_C32 (x(B) 0.60475) + MOB2_D8I (x(B) 0.66667) + LIQUID (x(B) 0.74866)
MoB-20Tak.tdb	2423.32	MO2B3_C32 (x(B) 0.60475) + MOB2_D8I (x(B) 0.66667) + LIQUID (x(B) 0.74871)
MoB-20Tak.tdb	2285.49	MO2B_C16 (x(B) 0.33333) + MO3B2_D5A (x(B) 0.4) + MOB_B33 (x(B) 0.5)
MoB-20Tak.tdb	2174.37	MOB2_D8I (x(B) 0.66667) + LIQUID (x(B) 0.85405) + BETA_RHOMBO_B (x(B) 1)
MoB-20Tak.tdb	2174.37	MOB2_D8I (x(B) 0.66667) + LIQUID (x(B) 0.85414) + BETA_RHOMBO_B (x(B) 1)
MoB-20Tak.tdb	2081.25	MOB2_D8I (x(B) 0.66667) + MOB4 (x(B) 0.8) + BETA_RHOMBO_B (x(B) 1)
MoB-20Tak.tdb	1784.31	MOB_B33 (x(B) 0.5) + MO2B3_C32 (x(B) 0.60371) + MOB2_D8I (x(B) 0.66667)
MoB-91Pan-LB.tdb	2639.65	MOB (x(B) 0.5) + MOB2_C32 (x(B) 0.62) + LIQUID (x(B) 0.65608)
MoB-91Pan-LB.tdb	2639.65	MOB (x(B) 0.5) + MOB2_C32 (x(B) 0.62) + LIQUID (x(B) 0.6561)
MoB-91Pan-LB.tdb	2639.65	MOB (x(B) 0.5) + MOB2_C32 (x(B) 0.62) + LIQUID (x(B) 0.65582)
MoB-91Pan-LB.tdb	2547.67	LIQUID (x(B) 0.3037) + MO2B_C16 (x(B) 0.33333) + MOB (x(B) 0.5)
MoB-91Pan-LB.tdb	2547.66	LIQUID (x(B) 0.30342) + MO2B_C16 (x(B) 0.33333) + MOB (x(B) 0.5)
MoB-91Pan-LB.tdb	2451.09	BCC_A2 (x(B) 0.02574) + LIQUID (x(B) 0.21512) + MO2B_C16 (x(B) 0.33333)
MoB-91Pan-LB.tdb	2409.88	MOB2_C32 (x(B) 0.62) + MO2B5_D8I (x(B) 0.68) + LIQUID (x(B) 0.7719)
MoB-91Pan-LB.tdb	2409.88	MOB2_C32 (x(B) 0.62) + MO2B5_D8I (x(B) 0.68) + LIQUID (x(B) 0.77194)
MoB-91Pan-LB.tdb	2409.88	MOB2_C32 (x(B) 0.62) + MO2B5_D8I (x(B) 0.68) + LIQUID (x(B) 0.772)
MoB-91Pan-LB.tdb	2157.28	MO2B5_D8I (x(B) 0.68) + LIQUID (x(B) 0.87113) + BETA_RHOMBO_B (x(B) 1)
MoB-91Pan-LB.tdb	2157.28	MO2B5_D8I (x(B) 0.68) + LIQUID (x(B) 0.87122) + BETA_RHOMBO_B (x(B) 1)
MoB-91Pan-LB.tdb	1873.33	MO2B5_D8I (x(B) 0.68) + MOB4 (x(B) 0.8) + BETA_RHOMBO_B (x(B) 1)
MoB-91Pan-LB.tdb	1791.03	MOB (x(B) 0.5) + MOB2_C32 (x(B) 0.62) + MO2B5_D8I (x(B) 0.68)

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}
}