x | Sintering temp. (˚C) | d | TC (K) |
0.0 | First series | 0.1836 | <77 |
| Second series | 0.2021 | <77 |
| Third series | 0.2465 | 113 |
0.1 | First series | 0.2167 | <77 |
| Second series | 0.2187 | <77 |
| Third series | 0.2835 | 116 |
0.2 | First series | 0.2195 | <77 |
| Second series | 0.2201 | <77 |
| Third series | 0.2876 | 116 |
0.3 | First series | 0.2211 | <77 |
| Second series | 0.2264 | <77 |
| Third series | 0.34908 | 130 |
0.4 | First series | 0.2199 | <77 |
| Second series | 0.2205 | <77 |
| Third series | 0.2903 | 118 |
0.5 | First series | 0.1969 | <77 |
| Second series | 0.2 | <77 |
| Third series | 0.20421 | 113 |