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Aluminum Surface Finishing Corrosion Causes and Troubleshooting
In this paper, a review of several process solutions, examining coolants, solvent cleaning, alkaline clean/etch and deoxidizing/desmutting, listing intended and unintended chemical reactions along with possible mechanisms that would favor corrosion formation.
Science of Successfully Anodizing Die Cast Substrate
Die castings pose some of the most challenging problems in anodizing. This paper provides some explanations by tying together metallurgical science with anodizing practice.
UK’s Nasmyth Group Acquires California-based Technical Metal Finishing
Nasmyth TMF will offer a range of metal surface finishing capabilities including precision masking, anodizing and chemical film coatings, passivation, painting and non-destructive testing.
Anodizing Conference & Exposition is Sept. 16-18 in Pittsburgh
The event has been delivering industry-focused information and education, giving anodizers the tools and know-how to make well-informed decisions and improve their companies’ performance for over two decades.
Chromium-free Etching and Palladium-free Plating of Plastics
Plastics are replacing metals in the manufacture of many parts, and quite often there is a need for metallic coatings on the plastics and other non-conductors. This paper will describe new processes of preparing ABS plastic substrates for subsequent metallization. A process replacing the traditional chromic acid etching step with a room-temperature, environmentally friendly etchant is described. Further, to address the high cost of palladium, a non-precious-metal activator has been developed that can obtain uniform, adherent metallic coatings on plastic substrates.

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