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Journal of Applied Sciences and Environmental Management
World Bank assisted National Agricultural Research Project (NARP) - University of Port Harcourt
ISSN: 1119-8362
Vol. 11, No. 2, 2007, pp. 187-190
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Bioline Code: ja07046
Full paper language: English
Document type: Research Article
Document available free of charge
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Journal of Applied Sciences and Environmental Management, Vol. 11, No. 2, 2007, pp. 187-190
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Studies on Chromium-free Conversion coatings on Aluminum
Oki, M.
Abstract
The development of a chromium-free conversion coating on aluminum has been
studied using transmission electron microscopy (TEM), Auger Electron (AES) and Secondary ion
mass spectroscopy (SIMS) techniques. Within the limits of the resolution of the TEM, the coating is
uniformly clear and featureless. It is composed essentially of Zirconium Oxide over a diffused layer
of Zirconium and Aluminum Oxides.
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