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Comparison of the compositions of the Nb5Si3 Nb3Sn and Nbss in the bulk of the oxidised alloys at 1200 °C.
| Alloy | Nb | Ti | Si | Cr | Al | Sn | O | Si+Sn | Si+Sn+Al | Nb/Ti |
|---|---|---|---|---|---|---|---|---|---|---|
| Nb5Si3 | ||||||||||
| ZX4 | 43.6 | 15.4 | 34.9 | 0.9 | 1.6 | 3.6 | 36.5 | 2.8 | ||
| ZX6 | 43.1 | 15.6 | 33.9 | 1.5 | 1.4 | 4.5 | 35.3 | 36.8 | 2.8 | |
| ZX8 | 42 | 19 | 30.2 | 0.7 | 2.8 | 1.1 | 4.2 | 31.3 | 34.1 | 2.2 |
| Nb3Sn | ||||||||||
| ZX4 | 48.8 | 26.4 | 2.9 | 3.8 | 12.4 | 5.7 | 15.3 | 1.9 | ||
| ZX6 | 54.2 | 23.5 | 3.1 | 5 | 8.6 | 5.6 | 11.7 | 16.7 | 2.3 | |
| ZX8 | 51.8 | 21.8 | 1.5 | 4.3 | 6.4 | 8.2 | 6 | 9.7 | 16.1 | 2.4 |
| Nbss | ||||||||||
| ZX4 | 54.8 | 26.4 | 2.9 | 6.4 | 3.1 | 6.4 | 6 | 0.9 | 2.1 | |
