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topic 61178

Want High Residual Stress in Electroless Nickel

October 8, 2020

Q. Hi all,

I have a question about the electroless nickel process. In particular I am interested in depositing a nickel layer that has high residual stress. (Approximately 100 to 500 MPa would be a good value for me)

Maybe someone here can recommend me a good bath composition to start with and what parameters I should vary during my initial screening.

Best regards

Jonas Koller
- Styria Austria

December 2, 2020

A. Hi Jonas. Frequently commercial plating shops use proprietary solutions for electroless Nickel. It will be better if you contact reliable supplier, they will provide you more information about your options.
Also, usually the target is an opposite to what you are asking (It is better to get electroless Nickel with a reasonable stress, not so high). Probably you can get a higher stress if it is a hard electroless Nickel-Phosphorus with a low Phos. percentage.

Leon Gusak
- Winnipeg, Canada

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