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 120

Diffusivity of B in 04MnNb

 

Temperature (C)

D (m2/s)

954

4.860 x 10-12

1003

7.324 x 10-12

1056

1.075 x 10-11

1104

1.530 x 10-11

1154

2.318 x 10-11

1204

2.996 x 10-11