Hard Chrome Replacement with Cirrus Doped Electroless Nickel Coatings

See Leng Tay; Pratik Jadhav; Chris Goode

doi:10.4028/www.scientific.net/KEM.893.105

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 893Hard Chrome Replacement with Cirrus Doped...

Hard Chrome Replacement with Cirrus Doped Electroless Nickel Coatings

Abstract:

The intrinsic hardness, high abrasive wear resistance, and corrosion properties of hard chrome coatings have resulted in their wide industrial application. However, chrome plating involves hazards associated with chrome 6+ which affect human health and drive the need to identify viable alternatives. This study investigated the addition of Cirrus alumina Dopant™ to a low phosphorus electroless nickel bath to evaluate the performance of the resulting nanocomposite coating as a potential replacement for hard chrome. A comprehensive comparison for the performance of coatings for alumina doped electroless nickel and a pure low electroless nickel coating were investigated. Results showed that Cirrus doped electroless nickel possessed a minimum hardness of 850HV_0.1, high corrosion resistance, excellent abrasive wear resistance, and a Taber Wear Index of 2.25mg/1000 cycles. These attributes suggest Cirrus Dopant™ for electroless nickel may offer an outstanding candidate to replace hard chrome coatings in many applications.

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Periodical:

Key Engineering Materials (Volume 893)

Pages:

105-110

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.893.105

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Online since:

July 2021

Authors:

See Leng Tay*, Pratik Jadhav, Chris Goode

Keywords:

Dopant, Electroless Plating, Hard-Chrome, Taber Wear

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* - Corresponding Author

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