Zirconium Oxide（ZrO2）
Zirconia ceramic (ZrO2, Zirconium Oxide) is an ideal techncial ceramic for structural parts, it has relatively
high fracture toughness among all technical ceramics， overcoming the inherent brittleness of ceramics to some extent. Zirconia ceramic also has very high hardness, mechanical strength and wear resistance in room temperature and will increase the service life of workpiece greatly.
Zirconia ceramics have been widely used in metal powder gas atomization due to their excellent thermal shock resistance, wear resistance, and chemical stability.Compared to traditional steel nozzles, the zirconia ceramic nozzles have better wear and corrosion resistance and can maintain stable performance at high temperatures (2000°C).
Properties
Relatively high fracture toughness among all technical ceramics
High mechanical strength and high hardness
Very good wear resistance
Good resistance to acids and alkalis
Low thermal conductivity – the lowest amount all technical ceramics
Can be joint to steel parts because the similar coefficient of thermal expansion
Electrical insulation
Data Sheet
Applications
Wire forming/drawing dies
Ceramic valve components (balls, seats, liners)
Ceramic pump liners
Mechanical seals
Ceramic cutting blades/knives
Grinding media
Thermal insulation components
Medical and surgical component
Precision ceramic balls for bearings
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