In modern industry, silicon nitride ceramic structural parts are emerging and have become key materials in many fields with their unique performance advantages. Its characteristics are as follows:
High strength and high hardness
The crystal structure of silicon nitride ceramics gives it excellent strength and hardness. Its high strength can maintain good structural integrity when subjected to large pressure and impact force, and it is not easy to break or deform. At the same time, the high hardness gives it excellent wear resistance. When it contacts and rubs with other objects, it can effectively resist wear and maintain the precision and stability of the parts. For example, in some high-speed mechanical seals, silicon nitride ceramic structural parts can work stably for a long time, reduce wear, and extend the service life of the equipment.
High-temperature resistance
Silicon nitride ceramics have an extremely high melting point and can maintain the stability of their physical and chemical properties in high-temperature environments. This high-temperature resistance makes it irreplaceable in high-temperature industrial fields such as aerospace and metallurgy. In the high-temperature components of aircraft engines, silicon nitride ceramic structural parts can withstand the impact of high-temperature airflow generated by combustion to ensure the normal operation of the engine; in the high-temperature furnaces of the metallurgical industry, it can also be used as a lining material to protect the furnace body from high-temperature erosion.
Good chemical stability
Silicon nitride has excellent tolerance to a variety of chemicals, which makes it perform well in chemical, electronics, and other industries and can resist the erosion of various corrosive media. In chemical pipeline systems, the use of silicon nitride ceramic structural parts can effectively prevent pipeline corrosion and ensure the safety and stability of chemical production.
Low thermal expansion coefficient
The material has a low thermal expansion coefficient, which means that its size changes less when the temperature changes. This feature enables silicon nitride ceramic structural parts to maintain stable dimensional accuracy in an environment with alternating high and low temperatures, reducing the risk of cracking and damage caused by thermal stress.
Good insulation
Silicon nitride ceramic is an excellent electrical insulator that can effectively prevent the conduction of current. This makes it widely used in the electronic and electrical fields, such as for the manufacture of integrated circuit substrates, high-voltage insulators, etc. In these applications, silicon nitride ceramic structural parts can provide reliable insulation performance, prevent problems such as current leakage and short circuits, and ensure the normal operation of electronic equipment.
In summary, silicon nitride ceramic structural parts play an increasingly important role in modern industry with their excellent characteristics and significant advantages. With the continuous advancement of science and technology and the continuous improvement of technology, it is believed that silicon nitride ceramic structural parts will show their great potential in more fields and make greater contributions to promoting the development of various industries.
Typical applications
Due to the high density, high strength, superior insulation, thermal shock resistance, and corrosion resistance, small thermal expansion coefficient, good thermal conductivity, long service life, high-temperature resistance, and non-wetting with aluminum liquid/copper liquid, the main products include: low-pressure cast aluminum riser tube and heater protection tube, thermocouple protection tube, high-speed pulp vacuum dehydration sheet, silicon nitride composite insulation ring assembly, wear-resistant ceramic nozzle, high-pressure ceramic plunger, precision shaft in high wear environment, forming roller and mold, welding and brazing fixture, crucible, etc.
Non-Ferrous Crucible Inc. supplies various advanced ceramic products and can also process customized products according to your drawings. We use advanced equipment and exquisite craftsmanship to make each product, and strictly inspect and control it layer by layer to provide you with the best quality ceramic products.