Article ID Journal Published Year Pages File Type
6743124 Fusion Engineering and Design 2018 4 Pages PDF
Abstract
The distribution of tritium between the near surface and the bulk of 316 stainless steel has been measured using two independent techniques: pulsed-plasma exposures and a zinc-chloride wash. Between 17% and 20% of the total inventory absorbed into a stainless-steel sample during a 24-h exposure to DT gas at room temperature resides in the water layers present on the metal surface. Redistribution of tritium between the surface and the bulk of stainless steel, if it occurs, is very slow. Tritium does not appear to enter into the bulk at a rate defined solely by lattice diffusivity.
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