Abstract
Palladium coatings on stainless steel have been investigated at plausible reactor wall temperatures, 400 – 600 °C. The samples consisted of stainless steel with a deposition of palladium of 100 – 200 nm. The annealing time interwals ranged from a few minutes to several hours. The samples were then analyzed by means of the Rutherford backscattering technique. Migration through diffusion was found to occur at a significant rate within the upper half of the temperature range, so that metal from the bulk stainless steel appeared to a high degree at the surface of the samples. Thin intermediate layers of vanadium or platinum did not affect the rate of diffusion noticeably. No stable intermediate phases of the components were observed.
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