Method of electroplating and pre-treating aluminium workpieces
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United States of America Patent
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Issued Date -
Jul 20, 2006
app pub date -
Dec 29, 2005
filing date -
Jan 19, 2005
priority date (Note) -
Abandoned
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Abstract
Disclosed is a method of applying a metal layer onto at least one surface of an aluminium or aluminium alloy workpiece, including the steps of pre-treating the surface by cathodic activation in a pre-treatment bath containing sulphuric acid and metal-ions selected from the group consisting of nickel, iron and cobalt, and applying a metal layer by electroplating the pre-treated workpiece. The metal layer is selected from the group consisting of nickel, iron, cobalt, and alloys thereof.
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