Permeability measurements were performed on various Fe-Cr-Al membranes, with and without an oxide scale at the surface. The permeation was found to be decreased by the presence of an oxide film.

R.I.Kripyakevich, J.I.Zvezdin, A.V.Guts, I.V.Semchishin: Fiziko-Khimicheskaya Mekhanika Materialov, 1971, 7[6], 47-51