Mn–Zr system

7 accepted literature values from 1 paper(s) (model 7); 4 calculated phase diagram(s).

Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (8) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
model	7

Accepted values by property group
Property group	Values
invariant reaction	7

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
MnZr-20Kup.tdb	A. Kuprava, I. Saenko, O. Fabrichnaya, Calphad, 68, 101745(2020). doi:10.1016/j.calphad.2020.101745	`5951de6545400c397baef5dc64151e9c925be4ff171bf50b5ddeb2c72de384e6`	viewer · TDB · JSON
MnZr-21Si.tdb	X. Si, S. Liu, X. Li, C. Shi, Y. Liu, Y. Du, Z. Zhang, Calphad, 72, 102243(2021). doi:10.1016/j.calphad.2020.102243	`41335ff0a06e75c721780a57d60c4bea81225070f2d0d33ea0d72c022dd0cb60`	viewer · TDB · JSON
MnZr-97Fla-LB.tdb	H. Flandorfer, J. Groebner, A. Stamou, N. Hassiotis, A. Saccone, P. Rogl, R. Wouters, H. Seifert, D. Maccio, R. Ferro, G. Haidemenopoulus, L. Delaey, G. Effenberg, Z. Metallkd., 88, 529-38(1997). doi:10.3139/ijmr-1997-0099	`ef898aa152127b16760d27e96177cef98c3459cc5c83a925b49a2550b3aa6a81`	viewer · TDB · JSON
MnZr-98Hac.tdb	K. Hack, COST 507, Final report round 2, 1998.	`951a3564d389c98a8d104e54429959e6121b9cbace34313c76a6bb5653bb1173`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
MnZr-20Kup.tdb	1432.96	BCC_A2 (x(Zr) 0.01255) + LIQUID (x(Zr) 0.06077) + C14_LAVES (x(Zr) 0.26264)
MnZr-20Kup.tdb	1414.06	BCC_A2 (x(Zr) 0.01128) + CUB_A13 (x(Zr) 0.0184) + C14_LAVES (x(Zr) 0.26227)
MnZr-20Kup.tdb	1404.88	C14_LAVES (x(Zr) 0.34961) + LIQUID (x(Zr) 0.67261) + BCC_A2 (x(Zr) 0.88308)
MnZr-20Kup.tdb	1398.95	FCC_A1 (x(Zr) 0.0042) + BCC_A2 (x(Zr) 0.00558) + CUB_A13 (x(Zr) 0.00938)
MnZr-20Kup.tdb	1065.87	C14_LAVES (x(Zr) 0.34062) + BCC_A2 (x(Zr) 0.96729) + HCP_A3 (x(Zr) 0.99827)
MnZr-20Kup.tdb	975.45	CBCC_A12 (x(Zr) 2.000e-5) + CUB_A13 (x(Zr) 0.00131) + C14_LAVES (x(Zr) 0.2809)
MnZr-21Si.tdb	1432.71	BCC_A2 (x(Zr) 0.01179) + LIQUID (x(Zr) 0.05735) + C14_LAVES (x(Zr) 0.24495)
MnZr-21Si.tdb	1412.08	BCC_A2 (x(Zr) 0.01081) + CUB_A13 (x(Zr) 0.01737) + C14_LAVES (x(Zr) 0.24426)
MnZr-21Si.tdb	1404.1	C14_LAVES (x(Zr) 0.34377) + LIQUID (x(Zr) 0.67539) + BCC_A2 (x(Zr) 0.87634)
MnZr-21Si.tdb	1394.81	FCC_A1 (x(Zr) 0.00257) + BCC_A2 (x(Zr) 0.0044) + CUB_A13 (x(Zr) 0.00721)
MnZr-21Si.tdb	1061.05	C14_LAVES (x(Zr) 0.33723) + BCC_A2 (x(Zr) 0.94195) + HCP_A3 (x(Zr) 0.97296)
MnZr-21Si.tdb	983.71	CUB_A13 (x(Zr) 0.00189) + CBCC_A12 (x(Zr) 0.00291) + C14_LAVES (x(Zr) 0.26043)
MnZr-97Fla-LB.tdb	1433.14	BCC_A2 (x(Zr) 0.0125) + LIQUID (x(Zr) 0.05357) + MN2ZR_C14 (x(Zr) 0.27164)
MnZr-97Fla-LB.tdb	1412.88	BCC_A2 (x(Zr) 0.01147) + FCC_A1 (x(Zr) 0.01172) + MN2ZR_C14 (x(Zr) 0.27174)
MnZr-97Fla-LB.tdb	1363	MN2ZR_C14 (x(Zr) 0.33316) + LIQUID (x(Zr) 0.73774) + BCC_A2 (x(Zr) 0.898)
MnZr-97Fla-LB.tdb	1317.15	CUB_A13 (x(Zr) 0) + FCC_A1 (x(Zr) 0.00612) + MN2ZR_C14 (x(Zr) 0.27358)
MnZr-97Fla-LB.tdb	1317.15	CUB_A13 (x(Zr) 0) + FCC_A1 (x(Zr) 0.00611) + MN2ZR_C14 (x(Zr) 0.27359)
MnZr-97Fla-LB.tdb	1060.11	MN2ZR_C14 (x(Zr) 0.33333) + BCC_A2 (x(Zr) 0.94497) + HCP_A3 (x(Zr) 0.97653)
MnZr-97Fla-LB.tdb	1060.11	MN2ZR_C14 (x(Zr) 0.33333) + BCC_A2 (x(Zr) 0.94497) + HCP_A3 (x(Zr) 0.97653)
MnZr-97Fla-LB.tdb	980	CBCC_A12 (x(Zr) 0) + CUB_A13 (x(Zr) 0) + MN2ZR_C14 (x(Zr) 0.28957)
MnZr-98Hac.tdb	1508.44	FCC_A1 (x(Zr) 0) + LIQUID (x(Zr) 0) + BCC_A2 (x(Zr) 0)
MnZr-98Hac.tdb	1424.07	MN2ZR_C14 (x(Zr) 0.53495) + LIQUID (x(Zr) 0.69356) + BCC_A2 (x(Zr) 0.91128)
MnZr-98Hac.tdb	1421.86	BCC_A2 (x(Zr) 0.0184) + LIQUID (x(Zr) 0.07093) + MN2ZR_C14 (x(Zr) 0.23625)
MnZr-98Hac.tdb	1359.15	CUB_A13 (x(Zr) 2.100e-4) + FCC_A1 (x(Zr) 3.300e-4) + BCC_A2 (x(Zr) 0.00619)
MnZr-98Hac.tdb	1334.5	CUB_A13 (x(Zr) 4.000e-4) + BCC_A2 (x(Zr) 0.0125) + MN2ZR_C14 (x(Zr) 0.21252)
MnZr-98Hac.tdb	1075.44	MN2ZR_C14 (x(Zr) 0.54003) + BCC_A2 (x(Zr) 0.97053) + HCP_A3 (x(Zr) 0.99788)
MnZr-98Hac.tdb	980.09	CUB_A13 (x(Zr) 2.000e-5) + CBCC_A12 (x(Zr) 5.000e-5) + MN2ZR_C14 (x(Zr) 0.17915)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull MnZr-20Kup · CALPHAD hull MnZr-97Fla-LB · CALPHAD hull MnZr-98Hac

Invariant reactions (literature)

Invariant reactions reported in the literature for the Mn–Zr system (7)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1730	congruent melting: Mn2Zr -> Liquid	Mn2Zr: Zr 0.345; Liquid: Zr 0.345	model	[1] (ed.) 1998	Table I, p. 263, row 7 report
1424.1	eutectic: Liquid -> Mn2Zr + bcc-A2	Liquid: Zr 0.694; Mn2Zr: Zr 0.535; bcc-A2: Zr 0.911	model	[1] (ed.) 1998	Table I, p. 263, row 5 report
1421.9	eutectic: Liquid -> bcc-A2 + Mn2Zr	Liquid: Zr 0.071; bcc-A2: Zr 0.018; Mn2Zr: Zr 0.236	model	[1] (ed.) 1998	Table I, p. 263, row 1 report
1359.1	metatectic/catatectic: fcc-A1 -> bcc-A2 + cub-A13	fcc-A1: Zr 3.000e-4; bcc-A2: Zr 2.000e-4; cub-A13: Zr 0.0062	model	[1] (ed.) 1998	Table I, p. 263, row 3 report
1334.5	eutectoid: bcc-A2 -> + cub-A13 + Mn2Zr	bcc-A2: Zr 0.012; cub-A13: Zr 0; Mn2Zr: Zr 0.213	model	[1] (ed.) 1998	Table I, p. 263, row 2 report
1075.4	eutectoid: bcc-A2 -> Mn2Zr + hcp-A3	bcc-A2: Zr 0.971; Mn2Zr: Zr 0.54; hcp-A3: Zr 0.998	model	[1] (ed.) 1998	Table I, p. 263, row 6 report
980.1	other: cub-A13 -> cbcc-A12 + Mn2Zr	cub-A13: Zr 0; cbcc-A12: Zr 0; Mn2Zr: Zr 0.179	model	[1] (ed.) 1998	Table I, p. 263, row 4 report

Sources

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

I. Ansara, A. T. Dinsdale, M. H. Rand (eds.), COST 507: Thermochemical database for light metal alloys, Volume 2, EUR 18499 EN, Office for Official Publications of the European Communities, Luxembourg (1998), ISBN 92-828-3902-8.

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-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). doi:10.5281/zenodo.23735859
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); 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_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_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}
}