An analysis of D permeation rates, through stainless steel membranes (51 or 127μ thick) at 10-4 to 0.1Pa and 650 to 1050K, showed that the diffusivity could be described by:

D (cm2/s) = 3.5 x 10-4 exp[-5100/T]

Deuterium Transport through 304 and 304L Stainless Steel at Low Driving Pressures and 15KeV Deuteron Bombardment. H.K.Perkins, T.Noda: Journal of Nuclear Materials, 1978, 71[2], 349-64

 

 

Table 61

Permeation Parameters for AISI 304 Stainless Steel

 

Treatment

Po (cm3N-½/s)

E (kJ/mol)

as-received

1.02 x 10-5

49.50

1.5h, 923K

7.80 x 10-2

91.53

3.0h, 923K

3.42 x 10-5

46.87