Research Article

The Effect of Stoichiometry on Hydrogen Embrittlement of Ordered Ni3Fe Intermetallics

Table 2

The value of and of the ordered Ni3Fe alloy with different stoichiometry precharged hydrogen at various conditions.

Alloy25°C35°C45°C, kJ/mol
, μm, cm2/s, μm, cm2/s, μm, cm2/s

Ni-22Fe44.861.86 × 10−1058.153.13 × 10−1072.294.84 × 10−1037.64
Ni-25Fe27.697.10 × 10−1134.731.12 × 10−1041.831.62 × 10−1032.54
Ni-28Fe22.504.69 × 10−1127.036.77 × 10−1131.559.22 × 10−1126.65