High-performance ceramic materials have the characteristics of high hardness, good wear resistance, strong chemical stability, excellent high-temperature mechanical properties and not easy to bond with metals, and can be widely used in the processing of difficult-to-process materials.
In the past thirty years, due to the effective control of raw material purity and grain size in the ceramic material manufacturing process, various carbides, nitrides, borides, oxides, whiskers or a small amount of metal addition technology have been developed. And the use of various toughening and strengthening mechanisms has greatly improved the strength, toughness, and impact resistance of ceramic materials.
From the results of foreign research, ceramic materials have been widely used in the field of molds, and there have been many patents in Japan, the United States, France and other countries.
Although ceramic wire drawing dies have not been widely used in China, with the continuous improvement of manufacturing technology, ceramics will be a good wire drawing die material suitable for the wire drawing industry.
The ceramic wire drawing die is not easy to adhere to the metal wire during the wire drawing process, which is beneficial to improve the surface performance of the metal wire, especially for drawing colored hard materials (such as W, Mo wire, etc.) at high temperature. Drawing non-ferrous metal materials with ceramic drawing dies can avoid the defects of cemented carbide drawing dies, and can extend the life of the drawing dies and improve the surface quality of the materials.
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