Table 24.
Comparison of the Nb, Nb and Si, and Ti rich oxides formed in the scales of the high Sn alloys at 1200 °C. Note that there are no data for the alloy ZX4.
| Alloy | Nb + Ti | (Nb + Ti)/Si | Si + Sn | Si + Sn + Al | (Nb + Ti)/(Si + Sn) | (Nb + Ti)/(Si + Al + Sn) | Al+Cr+Sn | (Nb + Ti)/(Al + Cr + Sn) | Nb/Ti |
|---|---|---|---|---|---|---|---|---|---|
| Nb rich oxides | |||||||||
| ZX6 | 32.1 | 1.3 | 24.7 | 1.3 | 24.7 | 3.1 | |||
| ZX8 | 28.3 | 0.1 | 0.3 | 283 | 94.3 | 0.4 | 70.8 | 2.7 | |
| Nb and Si rich oxides | |||||||||
| ZX6 | 20.3 | 1.5 | 13.6 | 14 | 1.5 | 1.4 | 0.5 | 40.6 | 2.6 |
| ZX8 | 19.8 | 2.3 | 8.8 | 9.3 | 2.3 | 2.1 | 1 | 19.8 | 2.7 |
| Ti rich oxides | |||||||||
| ZX6 | 27.8 | 278 | 0.1 | 5.6 | 278 | 5 | 5.5 | 5 | 0.3 |
| ZX8 | 24.7 | 124 | 0.6 | 2.5 | 41.2 | 9.9 | 5.8 | 4.3 | 0.4 |