Table 1 The fitting kinetic parameters, k0, k1, x1/2, t1/2, E0, and E1 for Nb joint and Zr joint.
TE joint | Temperature (K) | k0 (10−12 m s−1) | k1 (10−18 m2 s−1) | x1/2 (μm) | t1/2 (Hour) | R2 | E0 (kJ mol−1) | E1 (kJ mol−1) |
|---|---|---|---|---|---|---|---|---|
Nb | 823 | 1.0 | 0.4 | 0.4 | 188 | 0.99 | 202 | 311 |
848 | 1.7 | 2.2 | 1.3 | 447 | 0.82 | |||
873 | 5.6 | 10.4 | 1.9 | 183 | 0.87 | |||
898 | 7.5 | 28.9 | 3.9 | 287 | 0.95 | |||
923 | 25.3 | 67.9 | 2.7 | 59 | 0.96 | |||
948 | 43.3 | 153 | 3.5 | 45 | 0.99 | |||
Zr | 823 | 12.1 | 83.3 | 6.9 | 319 | 0.91 | 225 | 242 |
838 | 24.8 | 194 | 7.8 | 176 | 0.83 | |||
848 | 49.2 | 393 | 8.0 | 90 | 0.90 | |||
858 | 79.7 | 658 | 8.3 | 58 | 0.99 | |||
873 | 102.7 | 857 | 8.4 | 45 | 0.95 | |||
898 | 187.7 | 1638 | 8.7 | 26 | 0.98 |
