Performance Comparison Between Zirconia Ceramics and Alumina Ceramics

Nowadays, the advanced ceramic industry has developed rapidly in various industries. Industrial advanced ceramics have been widely used in many fields in recent years, especially zirconia ceramics and alumina ceramics. Many companies don't know how to choose zirconia ceramics and alumina ceramics, then you are in the right place.

Density

The density of the zirconia ceramic is about 1.5 times that of the alumina ceramic, and the zirconia has better compression resistance. Moreover, the zirconia ceramic structural member has a higher density than that of the alumina ceramic, so the texture of the zirconia is finer.

Surface Finish

Zirconia ceramic structural parts have a higher surface finish. It is mirror-like, extremely smooth and has less friction with the mesh. The use of zirconia can further extend the life of the equipment and greatly reduce losses. In addition, the toughness of the zirconia ceramic structural member is excellent, overcomes the inherent brittleness of the ceramic itself. The wear resistance is higher, the service life of the product is greatly prolonged, and the quality is obviously improved.

Tenacity

The toughness of zirconia ceramics is about 4 times that of alumina ceramics. If the two ceramic materials are free to fall from the height of one meter at the same time, the zirconia will only have some gaps, but the alumina will be broken.

Friction Coefficient

In general, zirconia ceramics have the advantages of high hardness, good wear resistance, high toughness, low friction coefficient and good corrosion resistance. They are a very important structural ceramic that is newly developed next to alumina ceramics. Due to its good properties (such as its fracture toughness is higher than alumina ceramics), zirconia ceramic structural parts have received more and more attention.

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