Table 2.
Enthalpies of mixing (ΔHmix) calculated in [22] by Miedema’s model for atomic pairs and calculated in the present study for TiZrHfCoNiCu (1 and 2 compositions) and CoNiCuAlGaIn (3 and 4 compositions) according to [23]; corresponding entropies of mixing a provided in the footnote.
| TiCo | ZrCo | HfCo | TiNi | ZrNi | HfNi | TiCu | ZrCu | HfCu | NiCu | CoCu | HEA | ||||
| ΔHmix, kJ/mol | −28 | −41 | −35 | −35 | −49 | −42 | −9 | −23 | −17 | 4 | 6 | 1 −29.9 | |||
| 2 −31.9 | |||||||||||||||
| CoAl | CoGa | CoIn | NiAl | NiGa | NiIn | CuAl | CuGa | CuIn | NiCu | CoCu | AlGa | AlIn | GaIn | HEA | |
| ΔHmix, kJ/mol | −19 | −11 | 7 | −22 | 1 | 2 | −1 | −15 | 10 | 4 | 6 | 1 | 7 | 3 | 3 −2.2 |
| 4 −8.8 |
1 Ti16.67Zr16.67Hf16.67Co16.67Ni16.67Cu16.67 (ΔSmix = 14.897 Jmol−1K−1 [14]), 2 Ti16.67Zr16.67Hf16.67Co10Ni25Cu15 (ΔSmix = 14.61 Jmol−1K−1), 3 Co22.33Ni22.33Cu22.33Al11Ga11In11 (ΔSmix = 14.407 Jmol−1K−1), 4 Co31.22Ni29.26Cu11.95Al16.64Ga10.39In0.55 (ΔSmix = 12.796 Jmol−1K−1). All mixing entropies were calculated according to the Boltzmann equation as in [23].