Gas chromatography used to monitor the diffusion of H through a tube which was filled with liquid Fe or Fe-Ni alloys. The H concentration profile which existed in the melt upon attaining steady-state H diffusion was also determined. Diffusion data (table 74) were calculated from the results.

S.Maekawa, K.Taniguchi: Proceedings of the International Conference on the Science and Technology of Iron and Steel, September 1970, Section 3, 559-61

 

 

 

Table 74

Diffusivity of H in Liquid Fe and Fe-Ni

 

Ni (wt%)

Temperature (C)

D (cm2/s)

0

1560

7.5 x 10-4

0

1580

8.0 x 10-4

10

1530

1.23 x 10-3

10

1560

1.35 x 10-3

10

1580

1.46 x 10-3

20

1500

2.22 x 10-3

20

1530

2.30 x 10-3

20

1560

2.45 x 10-3

20

1580

2.61 x 10-3