What is the difference between a ceramic valve and a common valve

Ceramic valve

However, due to the limitation of metal material properties, it can not meet the needs of higher and higher wear, strong corrosion and other bad working conditions, which is mainly reflected in the short service life and leakage, which greatly affects the stability of the system.

Traditional metal valves are in urgent need of thorough innovation in material, design and manufacturing process.

The application of ceramic materials to industrial valves is a bold and beneficial innovation. The deformation of ceramic materials is very small, and the bonding strength is much higher than that of metals. in general, the crystal ion radius of ceramic materials is smaller, and the ion electricity price is high and the coordination number is large. These properties determine the tensile strength, compressive strength, elastic modulus and hardness of ceramic materials.

However, the "brittleness" of ceramics has limited its application. In the last ten years, the "brittleness" of ceramics has been greatly improved, its toughness and strength have been greatly improved and its application scope has been continuously expanded due to the development and progress of martensitic transformation and toughening technology, composite technology and nano-ceramic concept.

In recent years, the application of new ceramic materials in petroleum, chemical industry, machinery and other fields is very active. It is one of the important development directions of high-tech material market in recent years to make wear-resistant and corrosion-resistant parts instead of metal materials by using the wear resistance and corrosion resistance of ceramics.

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