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"Potential galvanic corrosion on Al camera parts"



2005

We have parts made of Al 6061-T6 enclosed in a camera. At this moment we do not apply any chem finish on them. But I need to install BeCu fingers that will connect these parts to an extrusion that is clear di-chromated.Should I be concerned about dissimilar metals? Can somebody tell me if we might have oxidation in time that might compromise the electrical conductivity and approx. how long till this oxidation might appear?
Thanks,
Claudia

Alina C. Oprea
mech. engineer - Waterloo, On, Canada
^


2005

Before do the anodizing, you can mask the area which need to be electronic conductivity with some 3M tapes.

or you can laser etching the area after you finished the anodizing process.

Jacky Wang
- China
^

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