Co–Mn system
4 accepted literature values from 2 paper(s) (experimental 3, DFT 1); 1 calculated phase diagram(s).
Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (6) · papers (bibliography) · Markdown
| Evidence class | Values |
|---|---|
| experimental | 3 |
| DFT | 1 |
| Property group | Values |
|---|---|
| phase transition | 3 |
| mixing / partial | 1 |
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.
| TDB file | Assessment | SHA-256 | Links |
|---|---|---|---|
| CoMn-89Hua-LB.tdb | W. Huang, Calphad, 13, 231-42(1989). doi:10.1016/0364-5916(89)90003-5 | a3d3f4e459bb121288c6cfc08653ea4de88244f933ffa8753e147de299943718 | viewer · TDB · JSON |
| TDB file | T (K) | Phases at the invariant |
|---|---|---|
| CoMn-89Hua-LB.tdb | 1455.66 | LIQUID (x(Mn) 0.88739) + CUB_A13 (x(Mn) 0.89969) + BCC_A2 (x(Mn) 0.91289) |
| CoMn-89Hua-LB.tdb | 1433.58 | FCC_A1 (x(Mn) 0.59696) + CUB_A13 (x(Mn) 0.61429) + LIQUID (x(Mn) 0.61481) |
| CoMn-89Hua-LB.tdb | 1419.92 | CUB_A13 (x(Mn) 0.94344) + FCC_A1 (x(Mn) 0.94924) + BCC_A2 (x(Mn) 0.95118) |
| CoMn-89Hua-LB.tdb | 586.46 | HCP_A3 (x(Mn) 0.06518) + FCC_A1#2 (x(Mn) 0.07388) + FCC_A1 (x(Mn) 0.33054) |
| CoMn-89Hua-LB.tdb | 413.8 | HCP_A3 (x(Mn) 0.05633) + FCC_A1 (x(Mn) 0.40153) + CUB_A13 (x(Mn) 0.46956) |
Convex hulls: Materials Project DFT hull · OQMD DFT hull
Other properties
Phase transition (3)
| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|---|
| Phase transition | 540 K | 540 | fcc | experimental | [1] Huang 1989 cites Femandez | p. 2 report | The fee Mn is p~arnagne~~ in its stable range, but an ~tife~o~gn~ic transition at T~=540 K has been proposed (6). |
| Phase transition | 580 K | 580 | magnetic | experimental | [1] Huang 1989 cites Femandez | p. 2 report | As to the bee phase, TC=1450 K for Co (5) and TN=580 K for Mn (6) were adopted. |
| Phase transition | 1450 K | 1450 | magnetic | experimental | [1] Huang 1989 cites Fernllndez 1987 | p. 2 report | As to the bee phase, TC=1450 K for Co (5) and TN=580 K for Mn (6) were adopted. |
Mixing / partial (1)
| Property | Value | T (K) | Phases / composition | Class | Source | Location | Quote |
|---|---|---|---|---|---|---|---|
| Enthalpy of mixing printed: ΔmixH^SQS | 3.193 kJ/mol-atom | fcc alloy: Co 0.5, Mn 0.5 | DFT | [2] Bracq 2021 | Table 1, p. 4, row 3 report |
Sources
Reporting papers the values were read from (a value cited from another work names that work in its row).
- Weiming Huang, An Assessment of the Co-Mn System, Calphad 13, 231-242 (1989). doi:10.1016/0364-5916(89)90003-5
- Guillaume Bracq, Jean-Claude Crivello, Mathilde Laurent-Brocq, Jean-Marc Joubert, Ivan Guillot, What is the Enthalpy Contribution to the Stabilization of the Co–Cr–Fe–Mn–Ni Faced-centered Cubic Solid Solution?, J. Phase Equilib. Diffus. 42, 561-570 (2021). doi:10.1007/s11669-021-00922-9