Electroless Nickel Phosphorus Plating
Through ELECTROLESS NICKEL PHOSPHORUS plating, deposits of nickel-phosphorus alloy on the surface of solid substrates, such as plastics or metals, can be applied in extremely thin and consistent layers. The chemical process typically involves the dipping of the substrate in a water-based solution containing nickel salt and a phosphorus reducing agent.
ADVANTAGES OF ELECTROLESS NICKEL PHOSPHORUS PLATING
- Unlike electroplating, the electroless process doesn’t require the passing of electrical current through the bath and substrate.
- Application is performed purely by chemical means, through an auto-catalytic reaction.
- Creates an even layer of metal, regardless of the geometry of the surface.
- Doesn’t require electrical power, electrical apparatuses, or sophisticated jigs and racks.
- Can produce coatings free of built-in mechanical or competitive stress.
ORIGINS AND DEVELOPMENT
In the mid 19th century, the electroless process was accidentally discovered by France’s Charles Wurtz. The process gained popularity in the United States in the mid-1940s, where additional discoveries in that country led to the process commonly used today.
FUTURE APPLICATIONS
The major economic drivers in the electroless plating market will continue to be the protection of parts and equipment from corrosion, which still costs manufacturers billions of dollars worldwide.
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