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Steel heat treatment and plating process

2018-06-12


Definition of heat treatment: A process in which the solid metal is heated, insulated and cooled in a suitable manner to obtain the desired microstructure and properties.
The heat treatment of steel not only improves its structure and properties, but also improves its process ability. More important are the key processes that give the final performance of the part. Many parts can not be used directly after being shaped, but must be heat treated before they can be used.
Electroplating:
It is the process of electroplating a thin layer of other metals or alloys on the surface of certain metals. It is a process of using electrolysis to attach a metal film to the surface of metal or other materials to prevent corrosion and improve resistance. Grinding, conductive, reflective, and aesthetic enhancement.
During electroplating, a plated metal or other insoluble material is used as an anode, and a workpiece to be plated is used as a cathode. The cation of the plated metal is reduced on the surface of the workpiece to be plated to form a plating layer. In order to eliminate the interference of other cations and make the coating uniform and firm, it is necessary to use a solution containing a plating metal cation as a plating solution in order to maintain the concentration of the plating metal cation unchanged.
Non-metallic materials are not electrically conductive and therefore cannot be plated directly. To perform electroplating, it must be made conductive.
For this purpose, a conductive film is applied, i.e., the surface of the non-metallic material is subjected to a rigorous treatment, physically or chemically coated with a conductive material, and then electroplated in the usual manner. The metal is plated and deposited on the surface of the non-metal material through the intermediate action of the conductive film.
Decorative: Plastic plating has played a huge role in both economic benefits and external appearance. It is widely used in modern automobiles, cruise ships, high-speed trains, and airplanes. The architectural decoration is mainly used for building metal emblems, large signboards, wall reliefs, chandeliers, and pillars. In addition household products and electronic products, but also can not be separated from plastic plating, such as mobile phones, MP3, U disk, laptop computers and other shells, are using plastic plating accessories.


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