What are the advanced refractories

Advanced refractory materials refer to a class of refractory materials with more excellent performance and wider application range developed on the basis of traditional refractory materials through technological innovation and process improvement. The following is a detailed introduction to the advanced refractory materials.
1. Alumina ceramics
Alumina ceramics are high-strength, high-hardness, high-wear-resistant ceramic materials made of alumina powder through pressing, molding, sintering and other processes. It has good corrosion resistance, high temperature stability, oxidation resistance and other properties, and is widely used in metallurgy, machinery, electronics, medical and other fields.
2. Boron nitride ceramics
Boron nitride ceramics are ceramic materials with high hardness, high strength and high thermal conductivity made of boron nitride powder through hot pressing, hot isostatic pressing and other processes. It can be used for a long time under high temperature, inert gas and vacuum environment, and is widely used in aerospace, energy, electric power and other fields.
3. Zirconia ceramics
Zirconia ceramics are high-strength, high-hardness, and high-toughness ceramic materials made of zirconia powder through sintering and other processes. It has good corrosion resistance, high temperature stability, mechanical properties and other characteristics, and is widely used in aerospace, energy, electric power and other fields.

4. Silicate ceramics
Silicate ceramics are high-temperature ceramic materials made of silicate powder through pressing, molding, sintering and other processes. It has excellent high temperature resistance, impact resistance and chemical stability, and is widely used in high temperature kilns, refractory coatings, ceramic electronic components and other fields.
5. High alumina ductile iron
High-alumina ductile iron is a high-quality casting material, which is mainly made of high-alumina stone, ductile iron sand and other raw materials. It has the characteristics of high wear resistance, high corrosion resistance, high heat resistance, etc., and is widely used in steel, cement, mining and other industries.
It should be noted that advanced refractory materials have higher performance and wider application range, but the price is also relatively high. Before use, they should be selected according to specific needs and evaluated in combination with the actual situation.