Table I
Key to Figure 3 (EPMA = electron probe micro analyser; SEM-EDX = scanning electron microscopy-energy dispersive X-ray detection)
| Symbol | System | Technique | Remarks |
|---|---|---|---|
| • | Pt-Al-Cr-Ni | SEM-EDX | First experimental series |
| ▾ | Pt-Al-Cr-Ni | SEM-EDX | Second experimental series |
| ♦ | PtAl12Ni6 | EPMA | – |
| o | PtAl12Cr6 | EPMA | – |
| ▪ | PtAl12Cr6Ni5 | SEM-EDX | – |
| Δ | Pt-Al-Cr-Ni | SEM-EDX | Further measurements |