What is Electroless Nickel Plating (EN) and what is it used for?
Tina Elliott Maliszewski
Business Development Manager, RPW Metal Finishing & Polishing. Volume to Custom. Nickel, Nickel/Chrome, Copper, Electroless Nickel, EN, Plating on Steel, Aluminum, Stainless Steel & Brass
I’m glad you asked.
Electroless nickel plating EN, is a nickel coating is deposited on a surface using a controlled chemical process, or ‘reduction’, which is not based on an applied current. This is why electroless nickel coatings are extremely uniform, even when applied to items with a complex shape. The largest application is for hard disc drives for computers, while other examples are the metallizing of plastics for electroplating, automotive brake cylinders, pumps, valves, electric motor components and other engineering products. Electroless nickel plating combine’s resistance to wear and corrosion with excellent adherence to all metals. This includes metals such as aluminum, which is increasingly important in the automotive and aerospace industry, due to its light weight.
Electroless nickel coatings are the first choice for protecting critical materials from corrosion in harsh environments, such as in automotive fuel systems, turbochargers, transmission parts and braking systems. In aircraft, electroless nickel is used for coating electrohydraulic servo valves, compressor blades, engine mounts, landing gear and other essential applications.* *this Information is provided by the Nickel Institute
Plating EN conducive Electroless Nickel The process involves dipping the substrate in a water solution containing nickel salt and a phosphorus-containing reducing agent, usually a hypophosphite salt. It is the most common version of electroless nickel plating (EN plating) and is often referred just by that name. Electroless nickel plating is used to provide protection from wear and abrasion, resistance against corrosion, and add hardness to parts of all conditions. It's commonly used in coatings applications in engineering, aerospace, oil and gas, construction, electronics and several others.** **Google explains.
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4 年This is a very detailed article (with words I have a hard time pronouncing...). I love learning new things and today it is about electroless nickel plating.