Mg–Sn system

43 accepted literature values from 3 paper(s) (experimental 27, model 14, unspecified 2); 5 calculated phase diagram(s).

Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (7) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	27
model	14
unspecified	2

Accepted values by property group
Property group	Values
invariant reaction	21
phase transition	12
mixing / partial	8
crystal structure	2

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
MgSn-04Fri.tdb	S.G. Fries, unpublished work, 2004.	`932f4c7c0ab6221d5430929dd28dfc31daedf5ffdb655c6b09041331b515e4dc`	viewer · TDB · JSON
MgSn-10Men.tdb	F.G. Meng, J. Wang, L.B. Liu, Z.P. Jin, J. Alloys Compd., 508, 570-81(2010). doi:10.1016/j.jallcom.2010.08.124	`05ff105fc20ac1012806e829e7520aafee180b8bbda718ab20cd9868a83f8808`	viewer · TDB · JSON
MgSn-12Mie.tdb	J. Miettinen, G. Vassilev, J. Min. Metall. B, 48, 53-62(2012). doi:10.2298/JMMB110731008M	`c5854f47494b5707b4e3347498a7bebb48c783be3eddf100982ae85428b45196`	viewer · TDB · JSON
MgSn-21Zha.tdb	J. Zhang, J. Wang, Y. Yuan, Calphad, 75, 102361(2021). doi:10.1016/j.calphad.2021.102361	`d87760e638a43659df0220d207514a29dee58f79662d7b6a55a78355971ae9d6`	viewer · TDB · JSON
MgSn-99Mor.tdb	S. Morioka, M. Hasebe, J. Phase Equilib., 20, 244-57(1999). doi:10.1361/105497199770335785	`b130ac8424b73691de8c893ae81408601eb9368a57321bbee12d5473b63a6d09`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
MgSn-04Fri.tdb	836.5	HCP_A3 (x(Sn) 0.03083) + LIQUID (x(Sn) 0.11027) + MG2SN_C1 (x(Sn) 0.33333)
MgSn-04Fri.tdb	477.13	MG2SN_C1 (x(Sn) 0.33333) + LIQUID (x(Sn) 0.91071) + BCT_A5 (x(Sn) 1)
MgSn-10Men.tdb	833.78	HCP_A3 (x(Sn) 0.03469) + LIQUID (x(Sn) 0.11806) + MG2SN_C1 (x(Sn) 0.33333)
MgSn-10Men.tdb	477.23	MG2SN_C1 (x(Sn) 0.33333) + LIQUID (x(Sn) 0.90518) + BCT_A5 (x(Sn) 1)
MgSn-12Mie.tdb	823.33	HCP_A3 (x(Sn) 0.04714) + LIQUID (x(Sn) 0.10155) + MG2SN_C1 (x(Sn) 0.33333)
MgSn-12Mie.tdb	823.33	HCP_A3 (x(Sn) 0.04707) + LIQUID (x(Sn) 0.10142) + MG2SN_C1 (x(Sn) 0.33333)
MgSn-12Mie.tdb	473.15	MG2SN_C1 (x(Sn) 0.33333) + LIQUID (x(Sn) 0.90492) + BCT_A5 (x(Sn) 1)
MgSn-12Mie.tdb	473.15	MG2SN_C1 (x(Sn) 0.33333) + LIQUID (x(Sn) 0.90541) + BCT_A5 (x(Sn) 1)
MgSn-21Zha.tdb	834.28	HCP_A3 (x(Sn) 0.03982) + LIQUID (x(Sn) 0.12335) + MG2SN_C1 (x(Sn) 0.33346)
MgSn-21Zha.tdb	477.54	MG2SN_C1 (x(Sn) 0.33675) + LIQUID (x(Sn) 0.90616) + BCT_A5 (x(Sn) 1)
MgSn-99Mor.tdb	833.37	HCP_A3 (x(Sn) 0.07118) + LIQUID (x(Sn) 0.11443) + MG2SN_C1 (x(Sn) 0.33333)
MgSn-99Mor.tdb	833.37	HCP_A3 (x(Sn) 0.07105) + LIQUID (x(Sn) 0.11426) + MG2SN_C1 (x(Sn) 0.33333)
MgSn-99Mor.tdb	475.77	MG2SN_C1 (x(Sn) 0.33333) + LIQUID (x(Sn) 0.91194) + BCT_A5 (x(Sn) 1)
MgSn-99Mor.tdb	475.77	MG2SN_C1 (x(Sn) 0.33333) + LIQUID (x(Sn) 0.91201) + BCT_A5 (x(Sn) 1)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull MgSn-04Fri · CALPHAD hull MgSn-10Men · CALPHAD hull MgSn-12Mie · CALPHAD hull MgSn-99Mor

Invariant reactions (literature)

Invariant reactions reported in the literature for the Mg–Sn system (21)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location	Quote
854	eutectic: L -> hcp(Mg) + Mg2Sn	L: Sn 0.12; Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Kurnakow 1905 doi	Table 2, p. 4, row 2 report
840	eutectic: L -> hcp(Mg) + Mg2Sn	L: Sn 0.107; Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Nayak 1969	Table 2, p. 4, row 6 report
839	eutectic: L -> hcp(Mg) + Mg2Sn	L: Sn 0.105; Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Nayak 1968	Table 2, p. 4, row 5 report
838	eutectic: L -> hcp(Mg) + Mg2Sn	L: Sn 0.116; Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Grube 1905	Table 2, p. 4, row 1 report
836.15	eutectic: L -> (Mg) + Mg2Sn		experimental	[2] Kozlov 2008	p. 2 report	There are two eutectic reactions: one is L 4 (Mg) þ Mg2Sn at 563 C on the Mg-rich side and the other is L 4 bSn þ Mg2Sn at 204 C on the Sn-rich side.
834	eutectic: L -> hcp(Mg) + Mg2Sn	L: Sn 0.118; Mg2Sn: Sn 0.333333	model	[1] Meng 2010	Table 2, p. 4, row 11 report
834	eutectic: L -> hcp(Mg) + Mg2Sn	L: Sn 0.11; Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Steiner 1964	Table 2, p. 4, row 7 report
834	eutectic: L -> hcp(Mg) + Mg2Sn	L: Sn 0.105; Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Hume-Rothery 1926	Table 2, p. 4, row 3 report
834	eutectic: L -> hcp(Mg) + Mg2Sn	L: Sn 0.107; Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Raynor 1940	Table 2, p. 4, row 4 report
834	eutectic: L -> hcp(Mg) + Mg2Sn	Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Vosskuhler 1941	Table 2, p. 4, row 9 report
834	eutectic: L -> hcp(Mg) + Mg2Sn	L: Sn 0.112; Mg2Sn: Sn 0.333333	model	[1] Meng 2010 cites Fries 1993 doi	Table 2, p. 4, row 10 report
833	eutectic: L -> hcp(Mg) + Mg2Sn	Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Grube 1934 doi	Table 2, p. 4, row 8 report
482	eutectic: L -> Mg2Sn + bct(Sn)	L: Sn 0.889; Mg2Sn: Sn 0.333333; bct(Sn): Sn 1	experimental	[1] Meng 2010 cites Grube 1905	Table 2, p. 4, row 22 report
477.15	eutectic: L -> bSn + Mg2Sn		experimental	[2] Kozlov 2008	p. 2 report	There are two eutectic reactions: one is L 4 (Mg) þ Mg2Sn at 563 C on the Mg-rich side and the other is L 4 bSn þ Mg2Sn at 204 C on the Sn-rich side.
477	eutectic: L -> Mg2Sn + bct(Sn)	L: Sn 0.915; Mg2Sn: Sn 0.333333; bct(Sn): Sn 1	experimental	[1] Meng 2010 cites Kurnakow 1905 doi	Table 2, p. 4, row 23 report
477	eutectic: L -> Mg2Sn + bct(Sn)	L: Sn 0.905; Mg2Sn: Sn 0.333333; bct(Sn): Sn 1	model	[1] Meng 2010	Table 2, p. 4, row 29 report
476	eutectic: L -> Mg2Sn + bct(Sn)	L: Sn 0.904; Mg2Sn: Sn 0.333333; bct(Sn): Sn 1	experimental	[1] Meng 2010 cites Steiner 1964	Table 2, p. 4, row 27 report
476	eutectic: L -> Mg2Sn + bct(Sn)	L: Sn 0.908; Mg2Sn: Sn 0.333333; bct(Sn): Sn 1	model	[1] Meng 2010 cites Fries 1993 doi	Table 2, p. 4, row 28 report
473	eutectic: L -> Mg2Sn + bct(Sn)	L: Sn 0.903; Mg2Sn: Sn 0.333333; bct(Sn): Sn 1	experimental	[1] Meng 2010 cites Hume-Rothery 1926	Table 2, p. 4, row 24 report
471	eutectic: L -> Mg2Sn + bct(Sn)	L: Sn 0.914; Mg2Sn: Sn 0.333333; bct(Sn): Sn 1	experimental	[1] Meng 2010 cites Nayak 1969	Table 2, p. 4, row 26 report
471	eutectic: L -> Mg2Sn + bct(Sn)	L: Sn 0.914; Mg2Sn: Sn 0.333333; bct(Sn): Sn 1	experimental	[1] Meng 2010 cites Nayak 1968	Table 2, p. 4, row 25 report

Other properties

Phase transition (12)

Phase transition, Mg–Sn system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	1043 K	1043	congruent melting: L -> Mg2Sn L: Sn 0.333; Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Eckert 1983 doi	Table 2, p. 4, row 19 report
Phase transition	1043 K	1043	congruent melting: L -> Mg2Sn L: Sn 0.333; Mg2Sn: Sn 0.333333	model	[1] Meng 2010	Table 2, p. 4, row 21 report
Phase transition	1043 K	1043	congruent melting: L -> Mg2Sn L: Sn 0.333; Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Egan 1974 doi	Table 2, p. 4, row 18 report
Phase transition	1043 K	1043	congruent melting: L -> Mg2Sn L: Sn 0.333; Mg2Sn: Sn 0.333333	model	[1] Meng 2010 cites Fries 1993 doi	Table 2, p. 4, row 20 report
Phase transition	1043.65 K	1043.65	congruent transformation	experimental	[3] Morioka 1999	p. 6 report	Two eutectic points at 561.2 °C in the Mg-rich side and 203.5 °C in the Sn-rich side One congruent melting point of Mg2Sn at 770.5 °C
Phase transition	1044 K	1044	congruent melting: L -> Mg2Sn L: Sn 0.333; Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Steiner 1964	Table 2, p. 4, row 17 report
Phase transition	1047.15 K	1047.15	congruent melting	experimental	[2] Kozlov 2008	p. 2 report	The congruent melting of Mg2Sn occurs at 774 C.
Phase transition	1051 K	1051	congruent melting: L -> Mg2Sn L: Sn 0.333; Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Nayak 1969	Table 2, p. 4, row 16 report
Phase transition	1051 K	1051	congruent melting: L -> Mg2Sn L: Sn 0.333; Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Hume-Rothery 1926	Table 2, p. 4, row 14 report
Phase transition	1053 K	1053	congruent melting: L -> Mg2Sn L: Sn 0.333; Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Nayak 1968	Table 2, p. 4, row 15 report
Phase transition	1056 K	1056	congruent melting: L -> Mg2Sn L: Sn 0.333; Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Grube 1905	Table 2, p. 4, row 12 report
Phase transition	1068 K	1068	congruent melting: L -> Mg2Sn L: Sn 0.333; Mg2Sn: Sn 0.333333	experimental	[1] Meng 2010 cites Kurnakow 1905 doi	Table 2, p. 4, row 13 report

Mixing / partial (8)

Mixing / partial, Mg–Sn system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Enthalpy of mixing printed: ΔmixH	-9.479 kJ/mol (basis unstated)	1100.15	Liquid	model	[3] Morioka 1999	Table 5, p. 7, row 4 report
Enthalpy of mixing printed: ΔmixH	-6.692 kJ/mol (basis unstated)	1100.15	Liquid	model	[3] Morioka 1999	Table 5, p. 7, row 1 report
Enthalpy of mixing printed: ΔmixH	-12.338 kJ/mol (basis unstated)	1100.15	Liquid	model	[3] Morioka 1999	Table 5, p. 7, row 5 report
Enthalpy of mixing printed: ΔmixH	2.96 kJ/mol (basis unstated)	1100.15	Liquid	model	[3] Morioka 1999	Table 5, p. 7, row 6 report
Enthalpy of mixing printed: ΔmixH	-6.95 kJ/mol (basis unstated)	1100.15	cph	model	[3] Morioka 1999	Table 5, p. 7, row 8 report
Enthalpy of mixing printed: ΔmixH	-4.908 kJ/mol (basis unstated)	1100.15	cph	model	[3] Morioka 1999	Table 5, p. 7, row 7 report
Enthalpy of mixing printed: ΔmixH	-8.736 kJ/mol (basis unstated)	1100.15	cph	model	[3] Morioka 1999	Table 5, p. 7, row 11 report
Enthalpy of mixing printed: ΔmixH	9.347 kJ/mol (basis unstated)	1100.15	cph	model	[3] Morioka 1999	Table 5, p. 7, row 12 report

Crystal structure (2)

Crystal structure, Mg–Sn system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Lattice a	6.76 not_printed ± 0.002	773 (<)	Mg2Sn alloy: Mg 0.666667, Sn 0.333333	unspecified	[2] Kozlov 2008	Table 1, p. 4, row 7 report
Lattice a	6.7645 not_printed ± 3.000e-4	773 (<)	Mg2Sn alloy: Mg 0.666667, Sn 0.333333	unspecified	[2] Kozlov 2008	Table 1, p. 4, row 7 report

Sources

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

F.G. Meng, J. Wang, L.B. Liu, Z.P. Jin, Thermodynamic modeling of the Mg–Sn–Zn ternary system, Journal of Alloys and Compounds 508, 570-581 (2010). doi:10.1016/j.jallcom.2010.08.124
A. Kozlov, M. Ohno, R. Arroyave, Z.K. Liu, R. Schmid-Fetzer, Phase equilibria, thermodynamics and solidification microstructures of Mg–Sn–Ca alloys, Part 1: Experimental investigation and thermodynamic modeling of the ternary Mg–Sn–Ca system, Intermetallics 16, 299-315 (2008). doi:10.1016/j.intermet.2007.10.010
S. Morioka, M. Hasebe, Thermodynamic constraints to describe gibbs energies for binary alloys, JPE 20, 244-257 (1999). doi:10.1361/105497199770335785

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}
}