B–Mo system

75 accepted literature values from 1 paper(s) (experimental 37, model 28, unspecified 10); 0 calculated phase diagram(s). 2 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.

Data: JSON · CSV · interactive explorer · phases (17) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	37
model	28
unspecified	10

Accepted values by property group
Property group	Values
invariant reaction	75

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull MoB-05Yan · CALPHAD hull MoB-09Yam · CALPHAD hull MoB-16Wit · CALPHAD hull MoB-91Pan-LB

Invariant reactions (literature)

Invariant reactions reported in the literature for the B–Mo system (75)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
2880	congruent melting: L ⇄ βMoB	L: B 0.5; βMoB: B 0.5	model	[1] Witusiewicz 2016 cites Yamada 2009 doi	Table 3, p. 5, row 7 report
2873	congruent melting: L ⇄ βMoB	L: B 0.5; βMoB: B 0.5	unspecified	[1] Witusiewicz 2016 cites Brewer 1980	Table 3, p. 5, row 4 report
2873	congruent melting: L ⇄ βMoB	L: B 0.5; βMoB: B 0.5	experimental	[1] Witusiewicz 2016 cites Rudy 1965	Table 3, p. 5, row 2 report
2873	congruent melting: L ⇄ βMoB	L: B 0.5; βMoB: B 0.5	model	[1] Witusiewicz 2016 cites Morishita 2001 doi	Table 3, p. 5, row 6 report
2871	congruent melting: L ⇄ βMoB	L: B 0.498; βMoB: B 0.498	model	[1] Witusiewicz 2016	Table 3, p. 5, row 8 report
2871	congruent melting: L ⇄ βMoB	L: B 0.5; βMoB: B 0.5	model	[1] Witusiewicz 2016 cites Spear 1981 doi	Table 3, p. 5, row 5 report
2823	congruent melting: L ⇄ βMoB	L: B 0.5; βMoB: B 0.5	experimental	[1] Witusiewicz 2016 cites Portnoy 1967	Table 3, p. 5, row 3 report
2773	congruent melting: L ⇄ βMoB	L: B 0.5; βMoB: B 0.5	experimental	[1] Witusiewicz 2016 cites Chuang 1964	Table 3, p. 5, row 1 report
2673	peritectic: L + MoB ⇄ Mo3B2	L: B 0.385; MoB: B 0.48; Mo3B2: B 0.4	experimental	[1] Witusiewicz 2016 cites Chuang 1964	Table 3, p. 5, row 9 report
2654	peritectic: L + βMoB ⇄ MoB2	L: B 0.641; βMoB: B 0.508; MoB2: B 0.628	model	[1] Witusiewicz 2016	Table 3, p. 5, row 15 report
2648	peritectic: L + βMoB ⇄ MoB2	βMoB: B 0.5; MoB2: B 0.63	experimental	[1] Witusiewicz 2016 cites Rudy 1965	Table 3, p. 5, row 10 report
2648	peritectic: L + βMoB ⇄ MoB2	L: B 0.7; βMoB: B 0.52; MoB2: B 0.63	unspecified	[1] Witusiewicz 2016 cites Brewer 1980	Table 3, p. 5, row 12 report
2648	peritectic: L + βMoB ⇄ MoB2	L: B 0.65; βMoB: B 0.5; MoB2: B 0.62	model	[1] Witusiewicz 2016 cites Spear 1981 doi	Table 3, p. 5, row 13 report
2630	peritectic: L + βMoB ⇄ MoB2	L: B 0.677; βMoB: B 0.5; MoB2: B 0.58	model	[1] Witusiewicz 2016 cites Yamada 2009 doi	Table 3, p. 5, row 14 report
2623	peritectic: L + βMoB ⇄ MoB2	βMoB: B 0.5, Mo 0.5; MoB2: B 0.666667, Mo 0.333333	experimental	[1] Witusiewicz 2016 cites Portnoy 1967	Table 3, p. 5, row 11 report
2553	peritectic: L + βMoB ⇄ Mo2B	βMoB: B 0.5; Mo2B: B 0.34	experimental	[1] Witusiewicz 2016 cites Rudy 1965	Table 3, p. 5, row 17 report
2553	peritectic: L + βMoB ⇄ Mo2B	L: B 0.3; βMoB: B 0.49; Mo2B: B 0.34	unspecified	[1] Witusiewicz 2016 cites Brewer 1980	Table 3, p. 5, row 19 report
2550	peritectic: L + βMoB ⇄ Mo2B	L: B 0.272; βMoB: B 0.5; Mo2B: B 0.333	model	[1] Witusiewicz 2016 cites Yamada 2009 doi	Table 3, p. 5, row 22 report
2545	peritectic: L + βMoB ⇄ Mo2B	L: B 0.3; βMoB: B 0.5; Mo2B: B 0.33	model	[1] Witusiewicz 2016 cites Spear 1981 doi	Table 3, p. 5, row 20 report
2544	peritectic: L + βMoB ⇄ Mo2B	L: B 0.293; βMoB: B 0.5; Mo2B: B 0.333	model	[1] Witusiewicz 2016 cites Morishita 2001 doi	Table 3, p. 5, row 21 report
2543	peritectic: L + βMoB ⇄ Mo2B	βMoB: B 0.5, Mo 0.5; Mo2B: B 0.333333, Mo 0.666667	experimental	[1] Witusiewicz 2016 cites Portnoy 1967	Table 3, p. 5, row 18 report
2541	peritectic: L + βMoB ⇄ Mo2B	L: B 0.308; βMoB: B 0.486; Mo2B: B 0.337	model	[1] Witusiewicz 2016	Table 3, p. 5, row 23 report
2503	peritectic: L + Mo3B2 ⇄ MoB2	L: B 0.321; Mo3B2: B 0.333; MoB2: B 0.4	experimental	[1] Witusiewicz 2016 cites Chuang 1964	Table 3, p. 5, row 16 report
2473	peritectic: L + MoB2 ⇄ Mo2B5	MoB2: B 0.666667, Mo 0.333333; Mo2B5: B 0.714286, Mo 0.285714	experimental	[1] Witusiewicz 2016 cites Portnoy 1967	Table 3, p. 5, row 44 report
2473	eutectic: L ⇄ A2Mo + Mo2B	L: B 0.2; A2Mo: B 0.01; Mo2B: B 0.33	experimental	[1] Witusiewicz 2016 cites Portnoy 1967	Table 3, p. 5, row 34 report
2470	eutectic: L ⇄ A2Mo + Mo2B	L: B 0.205; A2Mo: B 0.014; Mo2B: B 0.333	model	[1] Witusiewicz 2016 cites Yamada 2009 doi	Table 3, p. 5, row 41 report
2463	eutectic: L ⇄ A2Mo + Mo2B	A2Mo: B 0.0097; Mo2B: B 0.333333, Mo 0.666667	experimental	[1] Witusiewicz 2016 cites Zakharov 1973	Table 3, p. 5, row 37 report
2463	eutectic: L ⇄ A2Mo + Mo2B	A2Mo: B 0.0097; Mo2B: B 0.333333, Mo 0.666667	experimental	[1] Witusiewicz 2016 cites Zakharov 1971	Table 3, p. 5, row 36 report
2458	peritectoid: βMoB + Mo2B ⇄ αMoB	βMoB: B 0.5, Mo 0.5; Mo2B: B 0.333333, Mo 0.666667; αMoB: B 0.5, Mo 0.5	experimental	[1] Witusiewicz 2016 cites Rudy 1965	Table 3, p. 5, row 25 report
2455	eutectic: L ⇄ A2Mo + Mo2B	L: B 0.227; Mo2B: B 0.333	model	[1] Witusiewicz 2016 cites Morishita 2001 doi	Table 3, p. 5, row 40 report
2453	eutectic: L ⇄ A2Mo + Mo2B	L: B 0.201; Mo2B: B 0.333333, Mo 0.666667	experimental	[1] Witusiewicz 2016 cites Harm 1958	Table 3, p. 5, row 29 report
2453	peritectoid: βMoB + Mo2B ⇄ αMoB	βMoB: B 0.49; Mo2B: B 0.33; αMoB: B 0.485	unspecified	[1] Witusiewicz 2016 cites Brewer 1980	Table 3, p. 5, row 27 report
2453	eutectic: L ⇄ A2Mo + Mo2B	A2Mo: B 0.004; Mo2B: B 0.333333, Mo 0.666667	experimental	[1] Witusiewicz 2016 cites Kharitonov 1971	Table 3, p. 5, row 35 report
2453	peritectoid: βMoB + Mo2B ⇄ αMoB	βMoB: B 0.488; Mo2B: B 0.337; αMoB: B 0.483	model	[1] Witusiewicz 2016	Table 3, p. 5, row 28 report
2451	eutectic: L ⇄ A2Mo + Mo2B	L: B 0.21; A2Mo: B 0; Mo2B: B 0.33	model	[1] Witusiewicz 2016 cites Spear 1981 doi	Table 3, p. 5, row 39 report
2451	eutectic: L ⇄ A2Mo + Mo2B	L: B 0.217; A2Mo: B 0.004; Mo2B: B 0.326	model	[1] Witusiewicz 2016	Table 3, p. 5, row 42 report
2448	eutectic: L ⇄ A2Mo + Mo2B	L: B 0.23; Mo2B: B 0.33	experimental	[1] Witusiewicz 2016 cites Rudy 1965	Table 3, p. 5, row 33 report
2448	eutectic: L ⇄ A2Mo + Mo2B	L: B 0.23; A2Mo: B 0.008; Mo2B: B 0.33	unspecified	[1] Witusiewicz 2016 cites Brewer 1980	Table 3, p. 5, row 38 report
2418	peritectic: L + MoB2 ⇄ Mo2B5	L: B 0.798; MoB2: B 0.661; Mo2B5: B 0.68	model	[1] Witusiewicz 2016	Table 3, p. 5, row 48 report
2413	peritectic: L + MoB2 ⇄ Mo2B5	MoB2: B 0.666667, Mo 0.333333; Mo2B5: B 0.68	experimental	[1] Witusiewicz 2016 cites Rudy 1965	Table 3, p. 5, row 43 report
2413	peritectic: L + MoB2 ⇄ Mo2B5	L: B 0.79; MoB2: B 0.62; Mo2B5: B 0.68	unspecified	[1] Witusiewicz 2016 cites Brewer 1980	Table 3, p. 5, row 45 report
2411	peritectic: L + MoB2 ⇄ Mo2B5	L: B 0.78; MoB2: B 0.62; Mo2B5: B 0.68	model	[1] Witusiewicz 2016 cites Spear 1981 doi	Table 3, p. 5, row 46 report
2400	peritectic: L + MoB2 ⇄ Mo2B5	L: B 0.774; MoB2: B 0.6; Mo2B5: B 0.71	model	[1] Witusiewicz 2016 cites Yamada 2009 doi	Table 3, p. 5, row 47 report
2373	congruent melting: L ⇄ MoB~12	L: B 0.92	experimental	[1] Witusiewicz 2016 cites Portnoy 1967	Table 3, p. 5, row 75 report
2323	eutectic: L ⇄ A2Mo + Mo2B	L: B 0.212; A2Mo: B 0.017; Mo2B: B 0.333333, Mo 0.666667	experimental	[1] Witusiewicz 2016 cites Chuang 1964	Table 3, p. 5, row 32 report
2323	eutectic: L ⇄ A2Mo + Mo2B	Mo2B: B 0.333333, Mo 0.666667	experimental	[1] Witusiewicz 2016 cites Samsonov 1960	Table 3, p. 5, row 31 report
2313	eutectic: L ⇄ MoB~12 + β(B)		experimental	[1] Witusiewicz 2016 cites Portnoy 1967	Table 3, p. 5, row 76 report
2273	peritectoid: βMoB + Mo2B ⇄ αMoB	βMoB: B 0.5, Mo 0.5; Mo2B: B 0.333333, Mo 0.666667; αMoB: B 0.5, Mo 0.5	experimental	[1] Witusiewicz 2016 cites Rudy 1963	Table 3, p. 5, row 24 report
2273	peritectoid: βMoB + Mo2B ⇄ αMoB	βMoB: B 0.5, Mo 0.5; Mo2B: B 0.333333, Mo 0.666667; αMoB: B 0.5, Mo 0.5	experimental	[1] Witusiewicz 2016 cites Portnoy 1967	Table 3, p. 5, row 26 report
2233	eutectic: L ⇄ A2Mo + Mo2B	L: B 0.08; Mo2B: B 0.333333, Mo 0.666667	experimental	[1] Witusiewicz 2016 cites Steinitz 1952	Table 3, p. 5, row 30 report
2223	eutectic: L ⇄ Mo2B5 + β(B)	Mo2B5: B 0.714286, Mo 0.285714	experimental	[1] Witusiewicz 2016 cites Portnoy 1967	Table 3, p. 5, row 50 report
2202	eutectic: L ⇄ Mo2B5 + β(B)	L: B 0.884; Mo2B5: B 0.697; β(B): B 0.997	model	[1] Witusiewicz 2016	Table 3, p. 5, row 54 report
2194	eutectic: L ⇄ Mo2B5 + β(B)	L: B 0.88; Mo2B5: B 0.68; β(B): B 1	model	[1] Witusiewicz 2016 cites Spear 1981 doi	Table 3, p. 5, row 52 report
2193	eutectic: L ⇄ Mo2B5 + β(B)	L: B 0.94; Mo2B5: B 0.714286, Mo 0.285714	experimental	[1] Witusiewicz 2016 cites Rudy 1965	Table 3, p. 5, row 49 report
2193	eutectic: L ⇄ Mo2B5 + β(B)	L: B 0.94; Mo2B5: B 0.68; β(B): B 0.98	unspecified	[1] Witusiewicz 2016 cites Brewer 1980	Table 3, p. 5, row 51 report
2180	eutectic: L ⇄ Mo2B5 + β(B)	L: B 0.882; Mo2B5: B 0.71; β(B): B 1	model	[1] Witusiewicz 2016 cites Yamada 2009 doi	Table 3, p. 5, row 53 report
2173	eutectoid: βMoB ⇄ αMoB + MoB2	βMoB: B 0.5, Mo 0.5; αMoB: B 0.5, Mo 0.5; MoB2: B 0.666667, Mo 0.333333	experimental	[1] Witusiewicz 2016 cites Portnoy 1967	Table 3, p. 5, row 64 report
2173	eutectoid: βMoB ⇄ αMoB + MoB2	βMoB: B 0.5, Mo 0.5; αMoB: B 0.5, Mo 0.5; MoB2: B 0.666667, Mo 0.333333	experimental	[1] Witusiewicz 2016 cites Rudy 1963	Table 3, p. 5, row 62 report
2090	peritectoid: Mo2B5 + β(B) ⇄ Mo1-xB3	Mo2B5: B 0.71; β(B): B 1; Mo1-xB3: B 0.8	model	[1] Witusiewicz 2016 cites Yamada 2009 doi	Table 3, p. 5, row 60 report
2080	peritectoid: Mo2B5 + β(B) ⇄ Mo1-xB3	Mo2B5: B 0.68; β(B): B 1; Mo1-xB3: B 0.79	model	[1] Witusiewicz 2016 cites Spear 1981 doi	Table 3, p. 5, row 59 report
2080	peritectoid: Mo2B5 + β(B) ⇄ MoB~12	Mo2B5: B 0.684; MoB~12: B 0.923	experimental	[1] Witusiewicz 2016 cites Storms 1977 doi	Table 3, p. 5, row 57 report
2080	peritectoid: Mo2B5 + β(B) ⇄ Mo1-xB3	Mo2B5: B 0.68; β(B): B 0.99; Mo1-xB3: B 0.79	unspecified	[1] Witusiewicz 2016 cites Brewer 1980	Table 3, p. 5, row 58 report
2074	eutectoid: βMoB ⇄ αMoB + MoB2	βMoB: B 0.504; αMoB: B 0.502; MoB2: B 0.616	model	[1] Witusiewicz 2016	Table 3, p. 5, row 66 report
2073	eutectoid: βMoB ⇄ αMoB + MoB2	βMoB: B 0.5, Mo 0.5; αMoB: B 0.5, Mo 0.5; MoB2: B 0.666667, Mo 0.333333	experimental	[1] Witusiewicz 2016 cites Rudy 1965	Table 3, p. 5, row 63 report
2073	eutectoid: βMoB ⇄ αMoB + MoB2	βMoB: B 0.51; αMoB: B 0.5; MoB2: B 0.61	unspecified	[1] Witusiewicz 2016 cites Brewer 1980	Table 3, p. 5, row 65 report
2073	peritectoid: Mo2B5 + β(B) ⇄ MoB~12	Mo2B5: B 0.714286, Mo 0.285714	experimental	[1] Witusiewicz 2016 cites Lundstro 1973	Table 3, p. 5, row 56 report
2073	peritectoid: Mo2B5 + β(B) ⇄ MoB~12	Mo2B5: B 0.714286, Mo 0.285714; MoB~12: B 0.9	experimental	[1] Witusiewicz 2016 cites Rudy 1965	Table 3, p. 5, row 55 report
1810	eutectoid: MoB2 ⇄ αMoB + Mo2B5	MoB2: B 0.6; αMoB: B 0.5; Mo2B5: B 0.71	model	[1] Witusiewicz 2016 cites Yamada 2009 doi	Table 3, p. 5, row 73 report
1797	eutectoid: MoB2 ⇄ αMoB + Mo2B5	MoB2: B 0.615; αMoB: B 0.501; Mo2B5: B 0.672	model	[1] Witusiewicz 2016	Table 3, p. 5, row 74 report
1795	eutectoid: MoB2 ⇄ αMoB + Mo2B5	MoB2: B 0.62; αMoB: B 0.5; Mo2B5: B 0.68	model	[1] Witusiewicz 2016 cites Spear 1981 doi	Table 3, p. 5, row 72 report
1793	eutectoid: MoB2 ⇄ αMoB + Mo2B5	MoB2: B 0.666667, Mo 0.333333; αMoB: B 0.5, Mo 0.5; Mo2B5: B 0.714286, Mo 0.285714	experimental	[1] Witusiewicz 2016 cites Rudy 1965	Table 3, p. 5, row 68 report
1790	eutectoid: MoB2 ⇄ αMoB + Mo2B5	MoB2: B 0.618; αMoB: B 0.5; Mo2B5: B 0.667	experimental	[1] Witusiewicz 2016 cites Storms 1977 doi	Table 3, p. 5, row 70 report
1790	eutectoid: MoB2 ⇄ αMoB + Mo2B5	MoB2: B 0.62; αMoB: B 0.5; Mo2B5: B 0.667	unspecified	[1] Witusiewicz 2016 cites Brewer 1980	Table 3, p. 5, row 71 report
1773	eutectoid: MoB2 ⇄ αMoB + Mo2B5	MoB2: B 0.666667, Mo 0.333333; αMoB: B 0.5, Mo 0.5; Mo2B5: B 0.714286, Mo 0.285714	experimental	[1] Witusiewicz 2016 cites Portnoy 1967	Table 3, p. 5, row 69 report
1773	eutectoid: MoB2 ⇄ αMoB + Mo2B5	MoB2: B 0.666667, Mo 0.333333; αMoB: B 0.5, Mo 0.5; Mo2B5: B 0.714286, Mo 0.285714	experimental	[1] Witusiewicz 2016 cites Rudy 1963	Table 3, p. 5, row 67 report

Sources

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

V.T. Witusiewicz, A.A. Bondar, U. Hecht, O.A. Potazhevska, T.Ya Velikanova, Thermodynamic modelling of the ternary B–Mo–Ti system with refined B–Mo description, Journal of Alloys and Compounds 655, 336-352 (2016). doi:10.1016/j.jallcom.2015.09.158

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-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); 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); 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. 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_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}
}