Sinusoidal profile decay methods were used to study the diffusion of V at 1374 to 1521K. The results could be described by:
D (cm2/s) = 6.6 x 101 exp[-48.4(kcal/mol)/RT]
J.M.Yu, R.Trivedi: Surface Science, 1983, 125[2], 396-408
Table 320
Diffusivity of 16O in V and its Alloys
Material | Temperature (K) | D (m2/s) |
V-1Si | 624 | 1.13 x 10-16 |
V-1Si | 580 | 1.15 x 10-17 |
V-1Si | 529 | 1.44 x 10-18 |
V-1Si | 496 | 1.50 x 10-19 |
V-5Fe | 625 | 4.32 x 10-17 |
V-5Fe | 578 | 6.88 x 10-18 |
V-5Fe | 526 | 6.40 x 10-19 |
V-5Fe | 489 | 3.95 x 10-20 |
V-5Mo | 625 | 6.97 x 10-17 |
V-5Mo | 578 | 1.09 x 10-17 |
V-5Mo | 526 | 9.74 x 10-19 |
V-5Mo | 489 | 1.48 x 10-19 |
V-5Nb | 625 | 6.52 x 10-17 |
V-5Nb | 578 | 6.78 x 10-18 |
V-5Nb | 526 | 3.93 x 10-19 |
V-5Nb | 489 | 7.23 x 10-20 |
V-5Cr | 625 | 6.55 x 10-17 |
V-5Cr | 578 | 8.90 x 10-18 |
V-5Cr | 526 | 1.10 x 10-18 |
V-5Cr | 489 | 1.62 x 10-19 |
V-3Ti-2Si | 773 | 1.10 x 10-15 |
V-3Ti-2Si | 724 | 9.97 x 10-17 |
continued
Table 320 (continued)
Diffusivity of 16O in V and its Alloys
Material | Temperature (K) | D (m2/s) |
V-3Ti-2Si | 676 | 1.68 x 10-17 |
V-3Ti-2Si | 626 | 2.48 x 10-18 |
V-5Ti | 774 | 9.14 x 10-16 |
V-5Ti | 725 | 9.20 x 10-17 |
V-5Ti | 673 | 1.83 x 10-17 |
V-5Ti | 624 | 9.82 x 10-19 |
V-5Ti | 579 | 1.09 x 10-19 |