ELECTROPLATING CLINIC

Electroplating

Phosphorus Copper Anodes for Acid Copper Plating

Copper anodes produced from pure copper cathodes will result in a copper purity of greater than 99.99% copper, including silver and the alloyed phosphorus, according to Univertical’s André Depew.
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Electroplating

Fixing Dull Parts From Alkaline Zinc-Nickel Bath

A lack of expected brightness is a common malady affecting many alkaline zinc-nickel platers, and MacDermid Enthone’s Adam Blakeley provides some answers to fix it.
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Electroplating

Controlling Quality of Zinc Flake Coatings on Steel Fasteners

Scott McEuen, North American business development manager of zinc flake coatings at Atotech, explains how the quality of zinc flake coatings depends on good adhesion and bonding to the substrate of the fasteners.
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Electroplating

Troubleshooting Bright Nickel Processes: How to Identify the Problem

For bright nickel process troubleshooting, Doug Lay of Coventya suggests narrowing the scope with a checklist.
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Electroplating

Avoiding Adhesion Failure Due to Paraffin

For plating applicators, paraffin residue can cause poor adhesion, delayed blistering or other poor-quality performance of the plated deposit, including poor corrosion resistance. Coventya director of business development Greg Terrell explains how to remove paraffin-based lubricants prior to plating. 
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Electroplating

Increasing Low Current Density (LCD) Coverage in Trivalent Chromium

Many factors can influence the low current density (LCD) coverage in a trivalent chromium system. Pavco decorative team manager Shane Moore discusses ideas for improving both chloride and sulfate systems.
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