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Electroless Nickel Problem Solving and Related Applications
James Jim Wetherald serves as a technical sales representative for the Electroless Nickel Division of Ronatec, C2C, Inc., based in Fallbrook, Calif. He works closely with direct customers and distributo...

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  • Cadmium- and Chromate-Free Coating Schemes for Corrosion Protection of 15CDV6 Steel
    Electrodeposits of cadmium- and chromate-based inorganic inhibitor pigments in paint formulations are extensively used in the aerospace industry to provide long-term corrosion protection for high-strength steel hardware. In this work, an eco-friendly cadmium- and chromate-free coating scheme comprised of zinc nickel alloy plating, trivalent chromium- based passivation, followed by a primer based on polyaniline phosphate, is studied for its anticorrosive properties.
  • Alternatives to Dicrhomate Sealer in Anodizing Operations
    This paper will describe the requirements for anodizing and sealing operations within Ogden Air Logistics Center (OO-ALC), as well as the sealing technologies that are available and a path forward to demonstrate/validate the most promising alternatives for the specific needs and applications of OO-ALC
  • Effect of Cerium Chloride on the Corrosion Resistance and Adhesion of Chromate Conversion Coatings
    The corrosion resistance of the CCC formed on AA6061 in a chromate conversion solution composed mainly of potassium dichromate, chromic anhydride and sodium fluoride is significantly improved by addition, compared with that of the CCC formed in chromate conversion solution without cerium chloride.
  • PFOS-Free Electroplating and Etching
    The adoption of alternative PFOS-free additives, such as MacDermid’s MiniMist Liquid, offers the easiest path to the future and involves no significant investment.
  • Gold Post-Dip to Improve Corrosion-Resistance Properties
    Comprehensive test results have been presented for a new, patented gold post-dip treatment that significantly improves the corrosion resistance of nickel/gold deposits and contributes to the reduction of gold costs.
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