Preventing Dark Streaks in Trivalent Chromium
Matt Schario from Columbia Chemical explains what is the likely cause of these streaks and patterns, and how to prevent this from happening.
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Finding Correlations to Salt Spray and UV Protection Hours
Bob Hohn with Assured Testing Services says it is often difficult to equate test duration to actual years of field service.
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Fixing Excessive Brightener Consumption From Dull Work In Alkaline Non-Cyanide Zinc
Although great strides have been made over the last 30 years in the development of alkaline non-cyanide zinc processes, Asterion’s Graham Torr says not all “modern” systems are created equal.
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Fixing Salt Spray Failures After Passivating, Baking
This is a common challenge faced by many acid zinc platers who Mark Adams from Columbia Chemical says perform hydrogen embrittlement relief on acid zinc plated fasteners.
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Measuring Hardness and Wear in Electroless Nickel Coatings
Rich O’Brien from Bales Metal Surface Solutions says advances in coatings science have led to the development of multiple choices for surface finishes beyond hard chrome and electroless nickel.
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Automate Your Brush Plating Operation
Derek Kilgore from Sifco ASC says the brush plating operation can be mechanized, semi-automated or even fully automated.
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Determining the Proper Material for an Electroless Nickel Plating Tank
The stability of your electroless nickel (EN) bath may require one type of tank over another, says Mike Aleksinas of MetalChem.
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Summary Report on USCAR Field Test for Trivalent Chromium
Mark Schario from Columbia Chemical explains USCAR’s multiyear project to determine how various trivalent chromium systems would perform in the real world.
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Using Alternatives in Pretreatment Baths for Degreasing
Effective cleaning at low, even ambient temperatures, is possible, says Atotech’s Brandon Lloyd, and creates a safer work environment and reduces energy demands.
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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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