Nuclear absorption methods were used to study the diffusion of 119mSn at 34 to 90C. The results could be described by:

D (cm2/s) = 1.1 x 10-3 exp[-0.47(eV)/kT]

D.Gupta, D.R.Campbell: Philosophical Magazine, 1980, 42[4], 513-26

 

Table 219

Diffusivity of Ag in Pb-Ag

 

Temperature (K)

Ag (at%)

D (m2/s)

500

0.00092

6.5 x 10-12

500

0

6.2 x 10-12

453

0.00092

1.2 x 10-12

453

0

1.4 x 10-12

361

0.00010

2.0 x 10-14

361

0

2.4 x 10-14

327

0.00092

1.8 x 10-14

349

0.00092

5.1 x 10-14

381

0.00092

2.3 x 10-13

338

0.00184

4.0 x 10-14

363

0.00184

1.4 x 10-13