A study was made of the effect of residual plastic strain, upon the permeation and diffusivity of H in 0.16%C steel, by using occlusion and permeation tests. The diffusion coefficients ranged from 10-6 to 10-7cm2/s, and plastic strains of up to 16% increased the diffusivity by a factor of up to 3.

I.Onishi, Y.Kikuta, T.Araki, K.Nakatani: Yosetsu Gakkaishi, 1969, 38[3], 255-60