Abstract
This article reviews the application of surface analytical techniques by which convenient information has been obtained on the surface layer of container materials. Included are the application for tinplate, TFS (Tin free steel) and Aluminum. By use of these techniques, the thickness and the composition of the surface layer, which significantly affect the corrosion resistance and lacquer adhesion, can be determined and provide us with some aspects to improve the performance.The corrosion resistance of tinplate depends on the surface nature of steel substrate. The surface enriched constituents, which could not be completely removed in the preparation section of electrolytic tinning line, act to turnish the apearence and also result in high ISV (Iron solution) and ATC (Alloy-tin couple) value. Concerning the passivation film on tinplate, the thickness and composition of surface oxide film have a correlation to the lacquer adhesion. The nature of hydrated chromic oxide on TFS, which correlates to the deterioration of lacquer adhesion in a hot citric acid solution, has also been proposed from a new aspect. Analysis of the stained layer on aluminum reveals that the layer is contaminated by iron and other elements originated from city water and that iron plays an important role in staining.
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