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Werkstoffe und Korrosion 31,495-512 (1980) 80-1800 Optical Reflectance Method for Analyzing Anodic Films Formod on Aluminum. A nondestructive and sensitive optical reflectance technique for observing the growth and composition of the anodic films on Al, which in principle can be related to the variation of film structure is presented. The amount of ad-anions incorporated in the anodic film is also determined. Aluminum wes mechanically polished and then anodized at constant potential in various concentrations of phosphoric or sulfuric acid solutions. Infrared reflectance spectra were recorded in the double beam mode over the frequency range of 4000 to 300 c w ' . 1 1 ref.
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International Corrosion Abstracts cathodic treatment in a dichromate solution was investigated by anodic potential measurements and Auger electron spectroscopy. Analysis of the shifts between three Cr peaks in the Auger electron spectrum revealed that the passivated film substantially consisted of c
Werkstoffe und Korrosion 31, 135-155 (1980) 80-0466 Corrosion Resistant Refractory Mix. A particulate refractory mixture capable of mixture with water to form a refractory having enhanced corrosion resistance for usage in the production of ultra-high-purity Al consists essentially of 90-98 5% wt re