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ted_yosem
Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
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Copper-Nickel co-plating





I'd like to co-plate copper nickel using a single plating bath. Where can I find information on co-plating these metals and controlling the composition ratio?

Thanks,

Yves BERTIC
Plating user - Boston, Massachusetts
August 4, 2008



August 5, 2008

Hi, Yyes, If you study the Nernst equation you will marvel that it is possible to plate any alloy at all. There are a number of plateable alloys but I am not aware of plateable copper-nickel alloys. Hopefully someone else will be.

Regards,

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey



Safranek's book Properties of Electrodeposited Metals and Alloys [affil link to Amazon or on AbeBooks affil links] lists references for nickel from 8% to 56% nickel, balance copper. These look like Russian authors, but are in English speaking publications. They are all from a pyrophosphate bath. Will it work? That is debatable. You can always buy the referenced Publications or copies of the articles and try it out in a lab sized trial.
It is very probably going to be tough to control. It certainly is not in commercial operation in the USA.

James Watts
- Navarre, Florida
August 6, 2008




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