Letter 3052

Iron nickel alloy plating 

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I am interested to know whether iron nickel alloys are normally plated using baths with iron nickel alloy anodes or with a ratio of individual iron and nickel anodes equivalent to the required deposit composition e.g. 60/40%..

Alfred Snowman
- Orangeburg, NY

I am assuming that your question involves nickel -iron alloy deposition, ie there is more nickel in the deposit than iron. When the nickel-iron processes first came on the market there was work done using ferro-nickel alloy cones available from Falconbridge as the anode material. Ultimately we went the use of separate baskets of iron and nickel as this was the most economical approach and easiest way to control the alloy deposition. We found the use of clean steel stamping scrap to be quite suitable for the process we were using. The number of baskets containing iron will be dictated by the amount of iron you ultimately want in the alloy deposit. Do not mix iron and nickel in the same anode basket. Most of the major suppliers have nickel-iron technology in their arsenals and they can help you. Trust this helps

Ken Lemke Canadian Finishing Systems Ltd Burlington, Ontario

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