Electroplating
Electroplating can be functional, decorative or corrosion-related. Many industries use the process, including the automotive sector, in which chrome-plating of steel automobile parts is common.
During the process of electroplating, very fine layers of metal are bonded to the surface of another metal at the molecular level. The process involves creating an electrolytic cell, which uses electricity to move molecules.
Electroplating has many uses, and these uses can be functional, decorative or corrosion-related. Many industries use the process, including the automotive sector, in which the chrome-plating of steel automobile parts is common.
Electroplating Introduction
Introduction
Materials
Aluminum, Steel, Stainless Steel
Plate type
Tin, Nickel, Electroless Nickel
Texture
Smooth, glossy finish
Applications
Electrical connections, jewelry, radiation shields
Subtypes
Galvanizing, nickel plating, tin plating, passivation
Design Considerations
- Tolerances should account for plating thickness, and the part’s ability to fit into a larger assembly should be factored into all critical dimensions and tolerances.
- Electroplating involves the use of current. This means the overall geometry of the part will influence the current distribution across its surface, sometimes unevenly. However, there are some advanced plating processes that can prevent excessive plating buildup on bends, threads and sharp corners.
- Plating materials should be chosen based on the desired characteristics of the final part: corrosion resistance, strength, etc.
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