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Introduction to the role of electroplating nickel

Characteristics, properties and uses of electroplated nickel:

1. The crystals of electroplated nickel are extremely small and have polishing properties. The polished nickel coating can obtain a mirror-like glossy surface, and at the same time, it can maintain its luster for a long time in the atmosphere. Therefore, the electroplating layer is often used for decoration.

2. The hardness of the nickel coating is relatively high, which can improve the wear resistance of the product surface. In the printing industry, nickel coating is often used to improve the hardness of the lead surface. Due to the high chemical stability of metal nickel, some chemical equipment is also commonly used. Thick ballast coating to avoid being corroded by the medium. Nickel plating is also widely used in functional aspects, such as repairing worn and corroded parts, and using brush plating technology to stop part of electroplating. Electroforming process is used to make printing Electroforming plates, record molds and other molds in the industry. The thick nickel plating layer has good wear resistance and can be used as a wear-resistant coating. Especially in recent years, composite electroplating has been carried out, which can accumulate composite materials with wear-resistant particles. Nickel plating has higher hardness and wear resistance than nickel plating.

3. In electroplating, because electroplating nickel has many excellent properties, its processing volume is second only to electroplating zinc, and its consumption accounts for about 10% of the total nickel output. Nickel plating has a wide range of applications and can be As a protective decorative coating, on the surface of steel, zinc die-casting, aluminum alloy and copper alloy, the substrate material is protected from corrosion or bright decoration; it is also often used as an intermediate coating for other coatings, and a thin layer is plated on it. Chrome, or plated with a layer of imitation gold, has better corrosion resistance and more beautiful appearance. In functional applications, nickel plating about 13mm thick on parts in special industries can achieve the purpose of repair. Especially in continuous casting crystallization It is more and more widely used in the manufacture of devices, molds for the appearance of electronic components, die-casting molds for alloys, aerospace engine parts with complex shapes and microelectronic components.