Table 1 EDS results of the as-cast Mg2−xYxNi0.9Co0.1 (x = 0, 0.2, 0.3, and 0.4) alloys.
Alloy | Position | Weight% | Atomic% | Phase | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Mg | Y | Ni | Co | Mg | Y | Ni | Co | |||
Mg2Ni0.9Co0.1 | A | 48.06 | – | 50.3 | 1.91 | 69.09 | – | 29.78 | 1.13 | Mg2Ni |
B | 69.4 | – | 29.4 | 1.11 | 84.5 | – | 14.8 | 0.5 | Mg + Mg2Ni | |
C | 20.8 | – | 68.2 | 10.8 | 38.9 | – | 52.7 | 8.3 | MgNi(Co)2 | |
Mg1.8Y0.2Ni0.9Co0.1 | A | 8.19 | 24.6 | 67.1 | – | 19.1 | 15.7 | 65.0 | – | MgYNi4 |
B | 47.5 | 6.42 | 45.9 | – | 69.5 | 2.57 | 27.8 | – | Mg2Ni | |
C | 100 | 0 | 0 | – | 100 | 0 | 0 | – | \(\alpha \)-Mg | |
D | 79.5 | 11.8 | 8.56 | – | 92.1 | 3.76 | 4.11 | – | \(\varepsilon \)-Mg | |
E | 44.1 | 4.44 | 51.4 | – | 66.2 | 1.82 | 31.9 | – | Mg2Ni | |
Mg1.7Y0.3Ni0.9Co0.1 | A | 8.0 | 25.6 | 66.3 | – | 18.8 | 16.5 | 64.6 | – | MgYNi4 |
B | 47.7 | 7.22 | 45.0 | – | 69.8 | 2.89 | 27.2 | – | Mg2Ni | |
C | 75.1 | 14.0 | 10.7 | – | 90.0 | 4.6 | 5.35 | – | \(\varepsilon \)-Mg | |
Mg1.6Y0.4Ni0.9Co0.1 | A | 8.68 | 27.0 | 64.2 | – | 20.3 | 17.3 | 62.3 | – | MgYNi4 |
B | 46.3 | 9.42 | 44.2 | – | 68.9 | 3.83 | 27.2 | – | Mg2Ni | |
C | 68.4 | 20.2 | 11.2 | – | 87.0 | 7.04 | 5.94 | – | \(\varepsilon \)-Mg | |
