A study was made of the permeation of H through the steel under gas-discharge conditions. The diffusivity of H at 30C was found to be equal to 3 x 10-7cm2/s.

R.A.Ryabov, V.E.Volkov, G.D.Fedorov, P.V.Geld: Izvestiya Vysshikh Uchebnykh Zavedenii (Fizika), 1969, 12[3], 136-8

 

Table 71

Parameters for H Diffusion in Fe-Ni at 400 to 600C

 

Ni (%)

Do (cm2/s)

E (kcal/mol)

38.83

2.82 x 10-3

8.1

58.70

3.76 x 10-3

9.05

70.07

0.39 x 10-3

5.03

71.90

8.13 x 10-3

9.15

72.38

5.12 x 10-3

9.60

77.96

4.22 x 10-3

8.85

84.45

0.82 x 10-3

6.40

88.40

2.19 x 10-3

7.62

99.97

4.38 x 10-3

8.69