Abstract
The process of formation of deposits of Co–W amorphous alloys on copper and mild steel substrates has been studied. For the alloy layers plated on copper, the content of Co and W in the amorphous coverage has been examined and found to be a function of the distance from the substrate surface. The examination was based on the quantitative EDS and WDS analysis of the cross-sections of the alloy layers. It has been found that an intermediate inner layer is formed on the copper substrate, and the adhesion of the alloy to this substrate is very good. The adhesion of the alloy layers to steel was much weaker compared to copper. We relate this difference to the absence of the interface layer between the alloy and steel. The difference found for the two substrates correlates well with the differences in the crystal structures of the substrates and the deposited metals.
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