Silicon nitride combined with silicon carbide brick refers to refractory products made of SiC and Si as raw materials and fired by nitride. The product first appeared in the late 60s of the 20th century, which is characterized by using Si3N4 as a binding agent, with excellent mechanical properties, thermal stability and chemical stability, and is widely used in high-temperature industrial fields.
In terms of performance, silicon nitride combined with silicon carbide bricks has high strength, high hardness, excellent wear resistance and corrosion resistance, as well as good thermal shock resistance and high temperature stability. It has a low coefficient of thermal expansion and can adapt to dimensional changes in high-temperature environments. In addition, silicon nitride combined with silicon carbide bricks has good thermal conductivity, which can effectively transfer heat and improve the thermal efficiency of equipment.
In terms of application, silicon nitride combined with silicon carbide bricks are mainly used in high-temperature industrial fields such as high-temperature furnaces, ceramic product firing, and high-temperature chemical reaction vessels. It can work stably for a long time at high temperatures and does not require frequent maintenance and replacement. In addition, silicon nitride combined with silicon carbide bricks can also be used to manufacture high-temperature sensors, heat exchangers and other precision devices.
Its excellent properties and stability make it an ideal material choice for high-temperature industrial applications. With the continuous development of science and technology, the performance and application fields of silicon nitride combined with silicon carbide bricks will continue to expand and improve.
In a word, silicon nitride combined with silicon carbide brick is a new type of refractory material with excellent performance and high application value, which has an important position and role in the field of high-temperature industry. Its emergence provides new possibilities and opportunities for the development of high-temperature industry.
