Hf–Mo system
4 accepted literature values from 1 paper(s) (model 4); 2 calculated phase diagram(s).
Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (7) · papers (bibliography) · Markdown
| Evidence class | Values |
|---|---|
| model | 4 |
| Property group | Values |
|---|---|
| formation | 4 |
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 |
|---|---|---|---|
| HfMo-02Sha-LB.tdb | G. Shao, Intermetallics, 10, 429-34(2002). doi:10.1016/S0966-9795(02)00017-1 | 05fc90dfe4897c9d9b1230e3c603beb9098c7d88c1a11824cd9450ea2ee3a765 | viewer · TDB · JSON |
| HfMo-20Zha.tdb | R. Zhao, J. Wang, H. Yuan, B. Hu, Y. Du, Z. Tan, Calphad, 69, 101766(2020). doi:10.1016/j.calphad.2020.101766 | c2fd244a291122413097cafe75fd6b3c8acd9b4550ef1c8d6b993e729e83c53b | viewer · TDB · JSON |
| TDB file | T (K) | Phases at the invariant |
|---|---|---|
| HfMo-02Sha-LB.tdb | 2422.25 | LIQUID (x(Mo) 0.56418) + C36_LAVES (x(Mo) 0.66133) + BCC_A2 (x(Mo) 0.774) |
| HfMo-02Sha-LB.tdb | 2164.5 | LIQUID (x(Mo) 0.39412) + BCC_A2 (x(Mo) 0.46611) + C36_LAVES (x(Mo) 0.63572) |
| HfMo-02Sha-LB.tdb | 2138.37 | C15_LAVES (x(Mo) 0.66099) + C36_LAVES (x(Mo) 0.66285) + BCC_A2 (x(Mo) 0.79162) |
| HfMo-02Sha-LB.tdb | 2076.66 | BCC_A2 (x(Mo) 0.45322) + C36_LAVES (x(Mo) 0.63571) + C15_LAVES (x(Mo) 0.64111) |
| HfMo-02Sha-LB.tdb | 1454.09 | HCP_A3 (x(Mo) 0.01763) + BCC_A2 (x(Mo) 0.24518) + C15_LAVES (x(Mo) 0.64387) |
| HfMo-20Zha.tdb | 2441.95 | LIQUID (x(Mo) 0.56678) + C36_LAVES (x(Mo) 0.66015) + BCC_A2 (x(Mo) 0.77879) |
| HfMo-20Zha.tdb | 2173.17 | LIQUID (x(Mo) 0.37629) + BCC_A2 (x(Mo) 0.44838) + C36_LAVES (x(Mo) 0.64906) |
| HfMo-20Zha.tdb | 2136.15 | C36_LAVES (x(Mo) 0.6638) + C15_LAVES (x(Mo) 0.66454) + BCC_A2 (x(Mo) 0.81157) |
| HfMo-20Zha.tdb | 2061.11 | BCC_A2 (x(Mo) 0.42787) + C36_LAVES (x(Mo) 0.64938) + C15_LAVES (x(Mo) 0.65052) |
| HfMo-20Zha.tdb | 1474.74 | HCP_A3 (x(Mo) 0.01311) + BCC_A2 (x(Mo) 0.24355) + C15_LAVES (x(Mo) 0.65329) |
Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull HfMo-02Sha-LB
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 |
|---|---|---|---|---|---|---|---|---|---|
| HfMo2–C15 | HfMo2 | -11 kJ/mol-atom ± 1.4 | model | -16.577 (mp-aaaaadmx) | -16.409 (oqmd-17365) | [1] Shao 2002 cites Garg 1977 doi | Table 1, p. 5, row 6 report | ||
| HfMo2–C15 | HfMo2 | -10.6 kJ/mol-atom | model | -16.577 (mp-aaaaadmx) | -16.409 (oqmd-17365) | [1] Shao 2002 | Table 1, p. 5, row 7 report | ||
| HfMo2–C15 | HfMo2 | -5 kJ/mol-atom | model | -16.577 (mp-aaaaadmx) | -16.409 (oqmd-17365) | [1] Shao 2002 cites de Boer FR 1989 | Table 1, p. 5, row 5 report | ||
| HfMo2–C36 | HfMo2 | -9.6 kJ/mol-atom | model | -16.577 (mp-aaaaadmx) | -16.409 (oqmd-17365) | [1] Shao 2002 | Table 1, p. 5, row 4 report |
Sources
Reporting papers the values were read from (a value cited from another work names that work in its row).
- G. Shao, Thermodynamic assessment of the Hf–Mo and Hf–W systems, Intermetallics 10, 429-434 (2002). doi:10.1016/s0966-9795(02)00017-1