Artist: Importance of metal heat treatment in mechanical manufacture

Compared with other processing technology, metal heat treatment generally does not change the shape of the workpiece and the overall chemical composition, but by changing the microstructure of the workpiece, or by changing the chemical composition of the workpiece surface, endow or improve the workpiece performance.
Metal heat treatment is characterized by improving the internal quality of the workpiece, which is not generally visible to the naked eye. In order to make the metal workpiece have the required mechanical, physical and chemical properties, heat treatment process is often an important process step in addition to the rational selection of materials and forming process.
Iron and steel is a kind of material widely used in machinery industry. The microstructure of iron and steel is complex and can be controlled by heat treatment. So the heat treatment of iron and steel is the main content of metal heat treatment. In addition, Al, Cu, Mg, Ti and their alloys can also be heat treated to change their mechanical, physical and chemical properties to obtain different performance.
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