Conditioning Aluminum Alloys for Electroplating

Abstract
Successful use of the zinc immersion process for plating aluminum alloys is dependent on the effectiveness of the surface conditioning treatments used prior to the immersion zinc dip. Various conditioning treatments are described for removing constituents that may cause difficulty during plating and for obtaining a uniform and active surface for deposition of the zinc layer. The manner in which the conditioning treatments and variations in the zinc immersion layer may affect the performance of plated aluminum alloys is described.

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