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Electroplating tantalum onto tungsten

I am involved in the design of some specialized physics research equipment and wondered if anyone could offer me some electroplating advice. I need to electroplate a tungsten component with tantalum in order to provide a protective coating for the tungsten. The component will be temperature cycled through around 100 °C (210 °F). Is this possible and what is the maximum plating thickness? Any advice would be appreciated.

Robert Scott
Research - Oxford, Oxon, England
2004

2004

I don't think it's practical since tungsten is a difficult to plate substrate and tantalum is not ionizable in aqueous solution. Plasma spray and vacuum PVD processes are probably possibilities. The ASM Metals Handbook Volume 5 Surface Engineering addresses many of these issues.

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