With the continuous development of social science and technology and the rise of new industries, zirconia ceramics are often used in structural parts and wear-resistant parts. This is because zirconia ceramics not only have high hardness, high wear resistance, high toughness, but also have excellent The thermal insulation performance is close to that of steel. So what fields can zirconia ceramics be used in?
1. Structural ceramics
Zirconia ceramics have good mechanical properties and are widely used as engineering structural materials. The life stability of zirconia ceramic bearings is higher than that of traditional sliding and rolling bearings, and it is more wear-resistant and corrosion-resistant; zirconia ceramics can be used to make engine cylinder linings, piston rings and other parts, which can reduce costs and improve thermal efficiency; zirconia ceramics The valve can effectively replace the traditional metal alloy valve, thereby greatly improving the service life; zirconia ceramics can be used to make ceramic knives, which are sharper than traditional steel knives and have a beautiful appearance.
2. Refractory material
Zirconia ceramics have good thermal stability and thermal shock resistance, and can be used as heat-resistant ceramic coatings and high-temperature refractory products. It can also be added to other refractory materials to improve fire resistance.
Zirconia refractory materials mainly include: zirconia sizing nozzle, zirconia crucible, zirconia refractory fiber, zirconia corundum brick and zirconia hollow ball refractory, etc.
3. Functional Ceramics
Zirconia has electrical conductivity at high temperature, especially after adding stabilizer, the electrical conductivity is stronger, and the high strength and toughness of zirconia ceramics can be made into zirconia solid fuel cells.
Secondly, the oxygen sensor made of zirconia has high sensitivity and has been widely used to detect the oxygen content of molten molten steel, detect the ratio of oxygen to gas in the engine, and detect the oxygen content in industrial waste gas. Zirconia ceramic materials can also be made into intelligent automatic detection systems such as temperature, sound, pressure and acceleration sensors.
