CNC Manufacturing Zirconia Ceramic Liner Parts And Spacer

high temperature resistance

√Wear Resistance

high hardness

Products description


Q: What’s zirconia ceramic?

A: Zirconium ceramic, whose chemical formula is ZrO2, is the main oxide of zirconium. Under normal conditions, it is a white, odorless and tasteless crystal, and it is insoluble in water, hydrochloric acid and dilute sulfuric acid. The chemical properties are inactive, and it has the properties of high melting point, high resistivity, high refractive index and low thermal expansion coefficient, making it an important high temperature resistant material, ceramic insulating material and ceramic sunscreen.

Q:What’re application areas of zirconia ceramic

A: In terms of structural ceramics, zirconia ceramics are widely used in the field of structural ceramics due to their high toughness, high bending strength, high wear resistance, excellent thermal insulation performance, and thermal expansion coefficient close to steel. Mainly include: Y-TZP grinding balls, dispersion and grinding media, nozzles, ball valve seats, zirconia molds, micro fan shafts, optical fiber pins, optical fiber sleeves, wire drawing dies and cutting tools, wear-resistant knives, clothing buttons, Watch cases and straps, bracelets and pendants, ball bearings, light golf batting sticks and other room temperature wear-resistant parts.

In terms of functional ceramics, its excellent high temperature resistance is used as induction heating tubes, refractory materials, and heating elements. Zirconia ceramics have sensitive electrical performance parameters and are mainly used in the fields of oxygen sensors, solid oxide fuel cells (Solid Oxide Fuel Cell, SOFC) and high temperature heating elements. ZrO2 has a high refractive index (N-21^22). Adding certain coloring elements (V2O5, MoO3, Fe2O3, etc.) to ultra-fine zirconia powder can be made into colorful translucent polycrystalline ZrO2 materials , Shining brilliantly and colorfully like natural gems, it can be made into various decorations. In addition, zirconia is widely used in fields such as thermal barrier coatings, catalyst carriers, medical care, health care, refractory materials, and textiles.

Q:What’s the difference between alumina ceramics and zirconia ceramics in properties?

A:1. Comparison of ceramic toughness:

The toughness of zirconia ceramics is 4 times that of alumina ceramics. At the same time, the free fall of zirconia from a height of one meter will only cause some gaps and alumina will break.

2. Density comparison:

The density of zirconia ceramics is twice that of alumina ceramics. In contrast, zirconia has better compressive performance

3. Comparison of friction coefficient:

The friction coefficient of zirconia ceramics is only 1/2 of that of alumina ceramics, and the friction coefficient of alumina ceramics itself is very low. In actual use, it is more necessary to take into account the elastic and hard wear. Which material can be worn depends on the actual use.


4. Density comparison:

The density of the zirconia ceramic structure is higher than that of the alumina ceramic. The density of the alumina ceramic is 3.5, and the density of the zirconia ceramic structure is 6, the texture is more delicate. After grinding, the surface finish is higher, up to ▽ Above 9, it is mirror-like, extremely smooth, and has a smaller friction coefficient.

5. Comparison of surface finish:

Zirconia ceramic structural parts have higher surface finish, mirror-like, extremely smooth, and less friction with the net, which can further increase the service life of the net, greatly reduce the net consumption, reduce the current of the net, and reduce the power consumption.

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