Gordon England Surface Engineering Forum



Re: Removal of Plasma Sprayed Diamalloy 2100

Posted by Gordon England (62.252.0.12) on 19:48:07 23/01/06

In Reply to: Re: Removal of Plasma Sprayed Diamalloy 2100 posted by Christian.

Hi Christian
Electrolytic method:
20% sodium carbonate
5% tartaric acid
75% water
temperature 70-80 degree C
Stainless steel cathode, coated part anode
current density 4-8 amps/sq in @ 6 volts DC
The nickel strip salt solutions I was referring to are commercially available chemicals primarily designed for removing electroplate and electroless nickel coatings from steel. I have come across cyanide based solutions containing Enstrip A plus Enstrip T-L and Enstrip S plus sodium cyanide. Plating chemical supply companies like
http://www.enthone.com/functional/index.aspx
may be worth looking at. These are effective with nickel based coatings, but believe chromium interferes, so may not work well with Diamalloy 2001. Do a search for say "stripping" on the search message board search facility and you should find a few other message threads on this general subject.
Regards Gordon



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