Alkaline Zinc Systems Reduce Rejects, Increase Productivity
Appears in Print as: 'Asterion Alkaline Zinc Systems Reduce Rejects, Increase Productivity'
Asterion will showcase its RoHS-compliant Asterion Ultra alkaline zinc systems at Sur/Fin 2018, designed to provide corrosion protection while reducing rejects, increasing productivity and enhancing appearance.
Asterion will showcase its RoHS-compliant Asterion Ultra alkaline zinc systems, designed to provide corrosion protection while reducing rejects, increasing productivity and enhancing appearance. Each system includes TechniBrite Ultra Zn alkaline zinc, which is formulated to produce bright, ductile deposits with uniform and precise thickness distributions over a wide current density range. Delivering exceptional chromate adhesion, the coating is highly tolerant to zinc brightener levels and temperature conditions, the company says.
Suited for both rack and barrel operations without burning, the systems also feature UltraPass trivalent passivates for high neutral salt spray results. UltraSeal sealants provide added corrosion protection.
This paper discusses recent research work on the development of a functional trivalent chromium plating process from a trivalent-based electrolyte to replace hexavalent chromium plating. Hexavalent chromium plating has been used for many years to provide hard, durable coatings with excellent wear and corrosion resistance properties. However, hexavalent chromium baths have come under increasing scrutiny due to the toxic nature of the bath, effects on the environment and workers’ health. In this paper are results from our development program aimed at achieving properties comparable to existing hexavalent chromium plating for functional applications. Specifically, recent efforts in plating chromium on the internal surfaces of cylindrical parts will be presented, as well as wear test data.
This paper is a peer-reviewed and edited version of a presentation delivered at NASF SUR/FIN 2012 in Las Vegas, Nev., on June 13, 2012.
A Comparative Study of Gamma-Phase Zinc-Nickel Deposits Electroplated from Various Alkaline and Acid Systems
Sacrificial anodic coatings, specifically zinc deposits, have provided corrosion protection to components and parts across many industries, with an increasing demand in the automotive and industrial sectors. Today, typical sacrificial applications for fasteners, fuel systems, braking systems and drive assemblies require higher corrosion performance from anodic coatings. Electrochemical alloys can be designed to provide the highest corrosion potentials to meet these increased demands.