The figures below are a small selection of the available experimental figures. If you are interested in an industrial application of the tabled figures, go to "cases on diffusion" in the upper menu bar.
Conditions
System Temperature:
25 degrees Celsius
System Pressure:
1 Bar
Activity of Permeant
100%
|||||||
Material
Permeant
Solubility
D0*
D|**
Permeability
[-]
[-]
m3stp / m3 x bar
m2/ s
m2/ s
[m3stp / m3] x [m2 / s]
gram / m s
99 Al
H2
2 10-8
1 10-11
1 10-11
2 10-19
2 10-17
Fe - 40 Al
H2
5 10-4
4 10-13
4 10-13
2 10-16
2 10-14
Fe - 25 Al
H2
3 10-3
1 10-12
1 10-12
3 10-15
3 10-13
Fe- 18 Al
H2
1 10-1
1 10-11
1 10-11
1 10-12
9 10-11
99 Fe
H2
2 10-1
6 10-9
6 10-9
1 10-9
9 10-8
Stainless Steel (304)
H2
2 10-1
5 10-10
5 10-10
1 10-10
9 10-9
High Strength
Steel
(X - 52)
H2
8 10-2
3 10-13
3 10-13
2 10-14
2 10-12
High Strength
Steel
(X - 65)
H2
1 10-2
3 10-13
3 10-13
3 10-15
2 10-13
*.. D0 is the "zero concentration" mutual diffusion coefficient interpreted on basis of Fick's 1st & 2nd Laws.
** D| is the "weighted average" mutual diffusion coefficient interpreted on basis of Fick's 1st & 2nd Laws.
![simulation analysis [IDC-SAC]](/Templates/sim0.bmp){kind=small}
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