plating, anodizing, & finishing Q&As since 1989
Chrome plating a surface of thermal sprayed stainless steel
August 15, 2010
I'm Guna from Malaysia involved in thermal spray application. I would appreciate if you can advise me on proper pre treatment of thermal sprayed part which I intend to finish with chrome layer. The part is coated with stainless steel wire and oxidized due to arc and heat of the process.
[In another application] I would like to get advise on plating thermal sprayed coating with Chrome for aesthetic purpose. The base metal is cast iron and sprayed with metcoloy #2 which is:
The sprayed layer has ~4% porosity and it is oxidized. I assume the surface porosity can be closed by electroplating beside the improved appearance?
thermal spray applicator - Shah Alam, Malaysia
August 21, 2010
as far as my experience goes, SS is troublesome. Normal low carbon thermal spray deposit is easy to plate. However chrome plate on thermal spray deposit will never seal those appox 4% porosity you talk of. Even if you plate in excess and post grind it,you are likely to be left behind with many pinholes. It's upto you to decide if it works for you
Irusha India - Chandigarh, India
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