Investigation on anodized aluminium |
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| Authors: | Herbert Puderbach Hans Jürgen Ghausen |
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| Institution: | Henkel KGaA, PB 1100, D-4000 Düsseldorf 1, Federal Republic of Germany |
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| Abstract: | Results of examinations with TEM, SEM, EDX, ISS, SIMS and AES on sulphuric acid anodized films on aluminium are reported. Important technical information about the 20-μm thick coatings were obtained by monolayer and depth analysis. The fine structure of the oxide film and its modifications during a sealing process are discussed. Possibilities to prevent sealing smut on the surface are shown. The metal distribution inside the films which are coloured electrolytically with metal salts, is investigated. |
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