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Letter 109
Plating onto molybdenum
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I am looking for some advice on plating molybdenum. After checking
out the mainstream literature and trying lots of experiments, still
can't get it to work.
I am trying to plate on a wire EDM moly surface ~3 microns of
nickel followed by ~3 microns of gold. The main constraint we face is
that the molybdenum is part of an assembly which cannot withstand
temperatures over ~700C...so the "plate thin nickel + hydrogen
sinter" approach isn't feasible.
The assembly must be able to hold up to a post-plate 500C heat
treatment without blistering--a real challenge. If anybody has some
ideas on what might work, I'm all ears. Thanks for helping.
Ted Adlam -
- Singapore
ASM International's "Metals Handbook:
Volume
5: Surface Engineering (available used & cheap at this link
at
Abebooks ) has an excellent chapter on plating onto
molybdenum. It may be a good start.
 
Ted Mooney, P.E.
Finishing.com Inc. - Brick, NJ
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