Ca–Mg–Sn system
94 accepted literature values from 1 paper(s) (experimental 36, model 21, DFT 4, unspecified 33); 0 calculated phase diagram(s). 3 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.
Data: JSON · CSV · interactive explorer · papers (bibliography) · Markdown
| Evidence class | Values |
|---|---|
| experimental | 36 |
| model | 21 |
| DFT | 4 |
| unspecified | 33 |
| Property group | Values |
|---|---|
| invariant reaction | 23 |
| phase transition | 37 |
| phase equilibrium | 12 |
| formation | 4 |
| heat capacity / entropy / enthalpy | 4 |
| crystal structure | 14 |
Invariant reactions (literature)
| T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|
| 1405.15 | other: L + Ca2-xMgxSn -> Ca5Sn3 + Ca36Sn23 | model | [1] Kozlov 2008 | Table 6, p. 13, row 1 report | ||
| 1393.15 | quasi-peritectic: L + Ca5Sn3 -> Ca36Sn23 + Ca2-xMgxSn | model | [1] Kozlov 2008 | Table 6, p. 13, row 2 report | ||
| 1380.15 | quasi-peritectic: L + Ca36Sn23 -> Ca31Sn20 + Ca2-xMgxSn | model | [1] Kozlov 2008 | Table 6, p. 13, row 3 report | ||
| 1262.15 | quasi-peritectic: L + Ca31Sn20 -> Ca7Sn6 + Ca2-xMgxSn | model | [1] Kozlov 2008 | Table 6, p. 13, row 4 report | ||
| 1254.15 | other: L -> CaSn + Ca2-xMgxSn | model | [1] Kozlov 2008 | Table 6, p. 13, row 5 report | ||
| 1253.15 | eutectic: L -> Ca2-xMgxSn + CaSn + Ca7Sn6 | model | [1] Kozlov 2008 | Table 6, p. 13, row 6 report | ||
| 1043.15 | other: L -> Ca2-xMgxSn + Mg2Sn | model | [1] Kozlov 2008 | Table 6, p. 13, row 7 report | ||
| 1037.15 | other: L -> Ca2-xMgxSn + Mg2Sn | experimental | [1] Kozlov 2008 | Table 6, p. 13, row 8 report | ||
| 974.15 | other: L -> Ca2-xMgxSn + Mg2Ca | model | [1] Kozlov 2008 | Table 6, p. 13, row 9 report | ||
| 973.15 | peritectic: L + Ca2-xMgxSn + CaSn -> Ca6.2Mg3.8Sn7 | experimental | [1] Kozlov 2008 | Table 6, p. 13, row 11 report | ||
| 964.15 | peritectic: L + Ca2-xMgxSn + CaSn -> Ca6.2Mg3.8Sn7 | model | [1] Kozlov 2008 | Table 6, p. 13, row 10 report | ||
| 913.15 | other: L -> Ca2-xMgxSn + (Mg) | model | [1] Kozlov 2008 | Table 6, p. 13, row 12 report | ||
| 908.15 | other: L -> Ca2-xMgxSn + (Mg) | experimental | [1] Kozlov 2008 | Table 6, p. 13, row 13 report | ||
| 864.15 | quasi-peritectic: L + Ca6.2Mg3.8Sn7 -> Ca2-xMgxSn + CaSn3 | experimental | [1] Kozlov 2008 | Table 6, p. 13, row 16 report | ||
| 859.15 | quasi-peritectic: L + CaSn -> Ca6.2Mg3.8Sn7 + CaSn3 | model | [1] Kozlov 2008 | Table 6, p. 13, row 14 report | ||
| 849.15 | quasi-peritectic: L + Ca6.2Mg3.8Sn7 -> Ca2-xMgxSn + CaSn3 | model | [1] Kozlov 2008 | Table 6, p. 13, row 15 report | ||
| 836.15 | eutectic: L -> (Mg) + Ca2-xMgxSn + Mg2Sn | experimental | [1] Kozlov 2008 | Table 6, p. 13, row 18 report | ||
| 835.95 | eutectic: L -> (Mg) + Ca2-xMgxSn + Mg2Sn | model | [1] Kozlov 2008 | Table 6, p. 13, row 17 report | ||
| 794.15 | eutectic: L -> (Mg) + Mg2Ca + Ca2-xMgxSn | experimental | [1] Kozlov 2008 | Table 6, p. 13, row 20 report | ||
| 788.15 | eutectic: L -> (Mg) + Mg2Ca + Ca2-xMgxSn | model | [1] Kozlov 2008 | Table 6, p. 13, row 19 report | ||
| 783.15 | quasi-peritectic: L + Ca2-xMgxSn -> Mg2Sn + CaSn3 | model | [1] Kozlov 2008 | Table 6, p. 13, row 21 report | ||
| 718.15 | eutectic: L -> (Ca) + Mg2Ca + Ca2-xMgxSn | model | [1] Kozlov 2008 | Table 6, p. 13, row 22 report | ||
| 477.15 | other: L -> CaSn3 + Mg2Sn + (Sn) | model | [1] Kozlov 2008 | Table 6, p. 13, row 23 report |
Formation enthalpies
Literature values in kJ/mol-atom where the per-atom basis is known. DFT columns: the lowest-energy entry at the same composition (Materials Project 2026.04.13, OQMD v1.8; different energy references, never averaged), from dft_parity.json.
| Phase | Compound | Value | T (K) | Class | MP DFT (kJ/mol-atom) | OQMD DFT (kJ/mol-atom) | Source | Location | Quote |
|---|---|---|---|---|---|---|---|---|---|
| Ca6.24Mg3.76Sn7 | -57.16 kJ/mol-atom | 298.15 | model | [1] Kozlov 2008 | Table 2, p. 5, row 15 report | ||||
| Ca6.24Mg3.76Sn7 | -56.9 kJ/mol-atom | 298.15 | DFT | [1] Kozlov 2008 cites Arroyave 2006 | Table 2, p. 5, row 14 report | ||||
| CaMgSn | -56.94 kJ/mol-atom | 298.15 | model | [1] Kozlov 2008 | Table 2, p. 5, row 11 report | ||||
| CaMgSn | -56.89 kJ/mol-atom | 298.15 | DFT | [1] Kozlov 2008 | Table 2, p. 5, row 10 report |
Other properties
Phase transition (37)
| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|---|
| Phase transition | 788.15 K | 788.15 | eutectic: E3: L ↔ (Mg) + Mg2Ca + Ca2-xMgxSn alloy: Ca 0.283, Mg 0.667, Sn 5.000e-4 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 6 report | |
| Phase transition | 788.15 K | 788.15 | eutectic: E3: L ↔ (Mg) + Mg2Ca + Ca2-xMgxSn alloy: Ca 0.222, Mg 0.667, Sn 0.111 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 11 report | |
| Phase transition | 794.15 K | 794.15 | eutectic: E3: L ↔ (Mg) + Mg2Ca + Ca2-xMgxSn alloy: Ca 0.222, Mg 0.667, Sn 0.111 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 10 report | |
| Phase transition | 794.15 K | 794.15 | eutectic: E3: L ↔ (Mg) + Mg2Ca + Ca2-xMgxSn alloy: Ca 0.283, Mg 0.667, Sn 5.000e-4 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 5 report | |
| Phase transition | 800.15 K | 800.15 | L + Ca2-xMgxSn/L + Ca2-xMgxSn + (Mg) alloy: Ca 0.222, Mg 0.667, Sn 0.111 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 9 report | |
| Phase transition | 835.95 K | 835.95 | eutectic: E2: L ↔ (Mg) + Ca2-xMgxSn + Mg2Sn alloy: Ca 5.000e-4, Mg 0.667, Sn 0.283 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 21 report | |
| Phase transition | 836.15 K | 836.15 | eutectic: E2: L ↔ (Mg) + Ca2-xMgxSn + Mg2Sn alloy: Ca 5.000e-4, Mg 0.667, Sn 0.283 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 20 report | |
| Phase transition | 849.15 K | 849.15 | U5: L + Ca6.2Mg3.8Sn7 ↔ Ca2-xMgxSn + CaSn3 alloy: Ca 0.3647, Mg 0.2235, Sn 0.4118 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 31 report | |
| Phase transition | 864.15 K | 864.15 | U5: L + Ca6.2Mg3.8Sn7 ↔ Ca2-xMgxSn + CaSn3 alloy: Ca 0.3647, Mg 0.2235, Sn 0.4118 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 30 report | |
| Phase transition | 908.15 K | 908.15 | max4: L + Ca2-xMgxSn/Ca2-xMgxSn + (Mg) alloy: Ca 0.167, Mg 0.667, Sn 0.166 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 14 report | |
| Phase transition | 913.15 K | 913.15 | max4: L + Ca2-xMgxSn/Ca2-xMgxSn + (Mg) alloy: Ca 0.167, Mg 0.667, Sn 0.166 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 15 report | |
| Phase transition | 931.15 K | 931.15 | L + Ca2-xMgxSn/L + Ca2-xMgxSn + Mg2Ca alloy: Ca 0.283, Mg 0.667, Sn 5.000e-4 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 3 report | |
| Phase transition | 939.15 K | 939.15 | L + Ca2-xMgxSn/L + Ca2-xMgxSn + Mg2Ca alloy: Ca 0.283, Mg 0.667, Sn 5.000e-4 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 4 report | |
| Phase transition | 964.15 K | 964.15 | peritectic: P: L + Ca2-xMgxSn ↔ Ca6.2Mg3.8Sn7 + CaSn3 alloy: Ca 0.3647, Mg 0.2235, Sn 0.4118 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 29 report | |
| Phase transition | 973.15 K | 973.15 | peritectic: P: L + Ca2-xMgxSn ↔ Ca6.2Mg3.8Sn7 + CaSn3 alloy: Ca 0.3647, Mg 0.2235, Sn 0.4118 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 28 report | |
| Phase transition | 1018.15 K | 1018.15 | L + Ca2-xMgxSn/L + Ca2-xMgxSn + Mg2Sn alloy: Ca 5.000e-4, Mg 0.667, Sn 0.283 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 18 report | |
| Phase transition | 1022.15 K | 1022.15 | L + Ca2-xMgxSn/L + Ca2-xMgxSn + Mg2Sn alloy: Ca 5.000e-4, Mg 0.667, Sn 0.283 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 19 report | |
| Phase transition | 1037.15 K | 1037.15 | max2: L ↔ Ca2-xMgxSn + Mg2Sn alloy: Ca 0.05, Mg 0.617, Sn 0.333 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 34 report | |
| Phase transition | 1043.15 K | 1043.15 | max2: L ↔ Ca2-xMgxSn + Mg2Sn alloy: Ca 0.05, Mg 0.617, Sn 0.333 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 35 report | |
| Phase transition | 1134.15 K | 1134.15 | L/L + Ca2-xMgxSn alloy: Ca 0.283, Mg 0.667, Sn 5.000e-4 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 2 report | |
| Phase transition | 1146.15 K | 1146.15 | L/L + Ca2-xMgxSn alloy: Ca 0.283, Mg 0.667, Sn 5.000e-4 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 1 report | |
| Phase transition | 1163.15 K | 1163.15 | L/L + Ca2-xMgxSn alloy: Ca 0.05, Mg 0.617, Sn 0.333 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 32 report | |
| Phase transition | 1164.15 K | 1164.15 | L/L + Ca2-xMgxSn alloy: Ca 0.05, Mg 0.617, Sn 0.333 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 33 report | |
| Phase transition | 1189.15 K | 1189.15 | L + Ca2-xMgxSn/L + Ca2-xMgxSn + CaSn alloy: Ca 0.3647, Mg 0.2235, Sn 0.4118 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 27 report | |
| Phase transition | 1198.15 K | 1198.15 | L + Ca2-xMgxSn/L + Ca2-xMgxSn + CaSn alloy: Ca 0.3647, Mg 0.2235, Sn 0.4118 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 26 report | |
| Phase transition | 1225.15 K | 1225.15 | L/L + Ca2-xMgxSn alloy: Ca 5.000e-4, Mg 0.667, Sn 0.283 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 17 report | |
| Phase transition | 1226.15 K | 1226.15 | L/L + Ca2-xMgxSn alloy: Ca 5.000e-4, Mg 0.667, Sn 0.283 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 16 report | |
| Phase transition | 1314.15 K | 1314.15 | L/L + Ca2-xMgxSn alloy: Ca 0.222, Mg 0.667, Sn 0.111 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 7 report | |
| Phase transition | 1321.15 K | 1321.15 | L/L + Ca2-xMgxSn alloy: Ca 0.222, Mg 0.667, Sn 0.111 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 8 report | |
| Phase transition | 1358.15 K | 1358.15 | L/L + Ca2-xMgxSn alloy: Ca 0.167, Mg 0.667, Sn 0.166 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 13 report | |
| Phase transition | 1360.15 K | 1360.15 | L/L + Ca2-xMgxSn alloy: Ca 0.3647, Mg 0.2235, Sn 0.4118 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 24 report | |
| Phase transition | 1362.15 K | 1362.15 | L/L + Ca2-xMgxSn alloy: Ca 0.167, Mg 0.667, Sn 0.166 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 12 report | |
| Phase transition | 1365.15 K | 1365.15 | L/L + Ca2-xMgxSn alloy: Ca 0.3647, Mg 0.2235, Sn 0.4118 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 25 report | |
| Phase transition | 1435.15 K | 1435.15 | L/L + Ca2-xMgxSn alloy: Ca 0.333, Mg 0.333, Sn 0.334 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 23 report | |
| Phase transition | 1457.15 K | 1457.15 | L/L + Ca2-xMgxSn alloy: Ca 0.333, Mg 0.333, Sn 0.334 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 22 report | |
| Phase transition | 1494.15 K | 1494.15 | L/L + Ca2-xMgxSn alloy: Ca 0.5, Mg 0.167, Sn 0.333 | experimental | [1] Kozlov 2008 | Table 5, p. 10, row 36 report | |
| Phase transition | 1500.15 K | 1500.15 | L/L + Ca2-xMgxSn alloy: Ca 0.5, Mg 0.167, Sn 0.333 | unspecified | [1] Kozlov 2008 | Table 5, p. 10, row 37 report |
Phase equilibrium (12)
| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|---|
| Phase assemblage | Ca1.17Mg0.83Sn + Mg2Ca + (Mg0.5 at.% Ca) + (Mg) alloy: Ca 0.283, Mg 0.667, Sn 5.000e-4 | experimental | [1] Kozlov 2008 | Table 4, p. 8, row 9 report | |||
| Phase assemblage | Ca1.1Mg0.9Sn + Mg2Ca + (Mg0.7 at.% Ca) + (Mg) alloy: Ca 0.222, Mg 0.667, Sn 0.111 | experimental | [1] Kozlov 2008 | Table 4, p. 8, row 10 report | |||
| Phase assemblage | CaMgSn alloy: Ca 0.334, Mg 0.333, Sn 0.333 | experimental | [1] Kozlov 2008 | Table 4, p. 8, row 5 report | |||
| Phase assemblage | CaMgSn + (Mg) + (Mg0.98 at.% Sn) alloy: Ca 0.167, Mg 0.667, Sn 0.166 | experimental | [1] Kozlov 2008 | Table 4, p. 8, row 3 report | |||
| Phase assemblage | CaMgSn + (Mg0.98 at.% Sn) + (Mg) alloy: Ca 0.167, Mg 0.667, Sn 0.166 | experimental | [1] Kozlov 2008 | Table 4, p. 8, row 11 report | |||
| Phase assemblage | CaMgSn + Ca6.2Mg3.8Sn7 + CaSn + CaSn3 alloy: Ca 0.3647, Mg 0.2235, Sn 0.4118 | experimental | [1] Kozlov 2008 | Table 4, p. 8, row 6 report | |||
| Phase assemblage | CaMgSn + Mg2Sn alloy: Ca 0.05, Mg 0.617, Sn 0.333 | experimental | [1] Kozlov 2008 | Table 4, p. 8, row 7 report | |||
| Phase assemblage | CaMgSn + Mg2Sn + (Mg) + (Mg1.1 at.% Sn) alloy: Ca 5.000e-4, Mg 0.667, Sn 0.283 | experimental | [1] Kozlov 2008 | Table 4, p. 8, row 4 report | |||
| Phase assemblage | CaMgSn + Mg2Sn + (Mg1.1 at.% Sn) + (Mg) alloy: Ca 5.000e-4, Mg 0.667, Sn 0.283 | experimental | [1] Kozlov 2008 | Table 4, p. 8, row 12 report | |||
| Phase assemblage | CaMgSna + Ca1.5Mg0.5Sn + [CaSn trace] alloy: Ca 0.5, Mg 0.167, Sn 0.333 | experimental | [1] Kozlov 2008 | Table 4, p. 8, row 8 report | |||
| Phase assemblage | CaMgSna + Mg2Ca + (Mg) + Ca1.17Mg0.83Sn + (Mg0.5 at.% Ca) alloy: Ca 0.283, Mg 0.667, Sn 5.000e-4 | experimental | [1] Kozlov 2008 | Table 4, p. 8, row 1 report | |||
| Phase assemblage | CaMgSna + Mg2Ca + (Mg) + Ca1.1Mg0.9Sn + (Mg0.7 at.% Ca) alloy: Ca 0.222, Mg 0.667, Sn 0.111 | experimental | [1] Kozlov 2008 | Table 4, p. 8, row 2 report |
Heat capacity / entropy / enthalpy (4)
| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|---|
| Entropy printed: S298 | 40.59 J/mol-atom/K | 298.15 | Ca6.24Mg3.76Sn7 alloy: Mg 0.221176, Sn 0.411765 | model | [1] Kozlov 2008 | Table 2, p. 5, row 17 report | |
| Entropy printed: S298 | 40.59 J/mol-atom/K | 298.15 | Ca6.24Mg3.76Sn7 alloy: Mg 0.221176, Sn 0.411765 | DFT | [1] Kozlov 2008 cites Arroyave 2006 | Table 2, p. 5, row 16 report | |
| Entropy printed: S298 | 37.83 J/mol-atom/K | 298.15 | CaMgSn alloy: Mg 0.333333, Sn 0.333333 | DFT | [1] Kozlov 2008 cites Arroyave 2006 | Table 2, p. 5, row 12 report | |
| Entropy printed: S298 | 37.84 J/mol-atom/K | 298.15 | CaMgSn alloy: Mg 0.333333, Sn 0.333333 | model | [1] Kozlov 2008 | Table 2, p. 5, row 13 report |
Crystal structure (14)
| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|---|
| Lattice a | 7.86 not_printed ± 0.02 | 298.15 | Ca2-xMgxSn | unspecified | [1] Kozlov 2008 | Table 1, p. 4, row 15 report | |
| Lattice a | 7.847 not_printed ± 0.008 | 298.15 | Ca2-xMgxSn | unspecified | [1] Kozlov 2008 | Table 1, p. 4, row 15 report | |
| Lattice a | 7.8731 not_printed ± 8.000e-4 | 298.15 | Ca2-xMgxSn | unspecified | [1] Kozlov 2008 | Table 1, p. 4, row 15 report | |
| Lattice a | 5.5884 Å | 443 (<) | (αCa) alloy: Mg 0, Sn 0 | unspecified | [1] Kozlov 2008 | Table 1, p. 4, row 2 report | |
| Lattice a | 4.48 Å | 642.5 | (βCa) alloy: Mg 0, Sn 0 | unspecified | [1] Kozlov 2008 | Table 1, p. 4, row 1 report | |
| Lattice a | 7.794 not_printed ± 0.001 | 918.9 (<) | Ca6.2Mg3.8Sn7 alloy: Mg 0.223529, Sn 0.411765 | unspecified | [1] Kozlov 2008 | Table 1, p. 4, row 16 report | |
| Lattice b | 4.66 not_printed ± 0.02 | 298.15 | Ca2-xMgxSn | unspecified | [1] Kozlov 2008 | Table 1, p. 4, row 15 report | |
| Lattice b | 4.6941 not_printed ± 3.000e-4 | 298.15 | Ca2-xMgxSn | unspecified | [1] Kozlov 2008 | Table 1, p. 4, row 15 report | |
| Lattice b | 4.678 not_printed ± 0.007 | 298.15 | Ca2-xMgxSn | unspecified | [1] Kozlov 2008 | Table 1, p. 4, row 15 report | |
| Lattice b | 25.718 not_printed ± 0.004 | 918.9 (<) | Ca6.2Mg3.8Sn7 alloy: Mg 0.223529, Sn 0.411765 | unspecified | [1] Kozlov 2008 | Table 1, p. 4, row 16 report | |
| Lattice c | 8.749 not_printed ± 0.008 | 298.15 | Ca2-xMgxSn | unspecified | [1] Kozlov 2008 | Table 1, p. 4, row 15 report | |
| Lattice c | 8.74 not_printed ± 0.02 | 298.15 | Ca2-xMgxSn | unspecified | [1] Kozlov 2008 | Table 1, p. 4, row 15 report | |
| Lattice c | 8.7538 not_printed ± 7.000e-4 | 298.15 | Ca2-xMgxSn | unspecified | [1] Kozlov 2008 | Table 1, p. 4, row 15 report | |
| Lattice c | 4.655 not_printed ± 0.001 | 918.9 (<) | Ca6.2Mg3.8Sn7 alloy: Mg 0.223529, Sn 0.411765 | unspecified | [1] Kozlov 2008 | Table 1, p. 4, row 16 report |
Sources
Reporting papers the values were read from (a value cited from another work names that work in its row).
- 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