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Surface Finish

Does anybody have a suggestion (maybe a recipe) how I would be able to clean Rhenium? I have a very small geometry. After the cleaning I'm going to use a coating method. (I have not decided which one yet.)The surface roughness is very important here but I'm not able to find any data of the different roughness required for the methods. Do you have any idea where I can find this?

Martin Skoglund
- Gothenburg, Sweden

I am not familiar with the material in question; however, I am familiar with mechanical finishing of small parts. That is one of my company's specialties. We can work parts down to approx. .030 in size; however, we are talking time and a question of the surface finish requirements. For plating, a good surface finish is 12 to 18 RMS. Most machined parts are around 35 RMS. Holes also present a problem for small parts using a mechanical process.

AF Kenton
retired business owner - Hatboro, Pennsylvania

Try Coronal or Plasma cleaning.

John Tuohy
- Ireland

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