Table 5.
WDS analysis data (at.%) of phases in the scale and the Sn rich area below it in the alloys ZX6 at 800 °C. For the numbers of analyses, see Figure 7g.
| Sn Rich Area | Nb | Ti | Si | Al | Sn | O |
|---|---|---|---|---|---|---|
| Spot 10 | 33.2 | 13.2 | 5.6 | 4 | 16.7 | 27.3 |
| Spot 11 | 30.6 | 14.2 | 3.9 | 3.7 | 16.4 | 31.2 |
| Spot 14 | 40.3 | 8.8 | 4.1 | 4.3 | 21.9 | 20.6 |
| Scale | ||||||
| Spot 21 | 16.1 | 5.8 | 11.5 | 0.7 | 0.3 | 65.6 |
| Spot 22 | 14.2 | 9.4 | 7.3 | 1.6 | 0.7 | 66.8 |
| Spot 23 | 18.4 | 9.7 | 1.5 | 2.5 | 0.8 | 67.1 |
| Spot 24 | 16.6 | 11.9 | 1.2 | 2.1 | 0.3 | 67.9 |
| Nb3Sn | ||||||
| Spot 17 | 55 | 20.7 | 5.1 | 4.3 | 9.1 | 5.8 |
| Spot 18 | 51.1 | 23.3 | 5.1 | 4.9 | 7.8 | 7.8 |
| Spot 19 | 54.3 | 21.9 | 5.2 | 4.5 | 8.8 | 5.3 |
| Nb5Si3 | ||||||
| Spot 13 | 42.1 | 18 | 32.4 | 3.1 | 2.3 | 2.1 |
| Spot 15 | 43.8 | 15.8 | 34 | 2.3 | 1.9 | 2.2 |
| Spot 16 | 43.4 | 15.7 | 34.5 | 1.9 | 1.7 | 2.8 |
| Prior eutectic | ||||||
| Spot 25 | 35.5 | 31.8 | 10.9 | 4.1 | 3.1 | 14.6 |
| Spot 26 | 34.4 | 31.2 | 9.2 | 4.1 | 3.4 | 17.7 |