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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Electropolishing of Pure Nickel

Q. I have a sample of Nickel 200 that I want to electropolish. What is the best electrolyte, current, voltage, time, etc. to polish a specimen area of 1.0-0.2 cm^2.

Phillip Hayenga
Washington State University - Pullman, Washington, United States

Q. I have sample of nickel 200 that I want to electropolish. What is the best electrolyte, current, voltage, time, etc to polish a specimen area of 0.10"-0.20"

Moore Miao
FOXSEMICON - Kunshan city, Jiangsu province, China

Q. I want to electropolish pure nickel substrate. We have a small electropolishing unit, and I was wondering what would be the proper electrolyte to use and the voltage of the DC current. My sample size ranges from a thickness of 2 mm to 0.1 mm and width of 2 mm.

Tania Rizwan
University of Houston - Houston, Texas

"Electroplating Engineering Handbook"
by Larry Durney
EEHcover

on AbeBooks

or eBay or

Amazon

(affil links)

A. Hi. If you are unable to find suggestions for electropolishing of pure nickel, I would expect that the electrolytes, current, voltage, time, etc. would be similar to those used for stainless steels. Many different generic and proprietary formulations have been used, and you can get a good tabulation from the Electrolytic Polishing chapter of the Electroplating Engineering Handbook.

Good luck.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
December , 2012

1998

Q. I'm from Indonesia, a plastic injection mfg. industry.

I have done nickel electroforming process for making a pyramidal reflective plastic mold; but for the further process of ELECTROPOLISHING I could not find the chemical for it.

Can anyone tell me the chemical supplier and the technical assistance for doing the electropolishing?

Best Regards,

Willy Sasmita

Q. I am looking for the same question. I have tried many things but none of them have been suitable yet. I will post the answer as soon as I get some success.

Shikhar

Shikhar [last name deleted for privacy by Editor]
- IISc, India
January 24, 2011

A. Dear Sir:

Please follow the hyperlink below which will connect you to our web site. You will find information there about chemicals, equipment, and process technology for electropolishing almost any metal.

We can furnish a proprietary solution and technical expertise for electropolishing nickel. Please contact us for further details.

Ed Bayha
Metal Coating Process Corporation - Charlotte, North Carolina
1997

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