Material reference
Zirconia ZrO₂
High strength industrial ceramic with excellent hardness properties, fracture toughness, and corrosion resistance.
Used for: atomising nozzles · pump and valve components · cutting tools · oxygen sensors · crucibles · wear parts
At a glance
Key Properties
Excellent wear resistance
Very high temperature resistance
Very high thermal shock resistance
Very high strength Excellent corrosion resistance
Products in this material
Zirconia products
More Details
This material is not limited to the products and applications illustrated above. For more information, or to find out about other products/applications, please click here.
Zirconia (ZrO2) Ceramics have the highest toughness and strength at room temperature of all the advanced ceramic materials. At present, it has been widely used in grinding balls, dispersion and grinding media, nozzles, ball valve seats, zirconia moulds, micro fan shafts, optical fiber pins, optical fiber sleeves, drawing dies and cutting tools, wear-resistant knives, and other room-temperature resistant Grinding parts and so on. Zirconia is widely used in the fields of the thermal barrier layer, catalyst body, medical treatment, health care, textile, and so on.
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Full property data, grade comparison, machining guidance and typical applications. EN and FR versions available.
At a glance
Applications
Atomising nozzles
Molten metal processing
Pump Parts
Electrical insulation
Metering Valves
Semi-con manufacturing
Bearings
Metal filtration
Precision components
At a glance
Types Of Zirconia
| Property | Detail |
|---|---|
| Yttria Stabilised Zirconia | High strength, High Temperature, Good Corrosion and Oxidisation Resistance |
| Magnesia Stabilised Zirconia | Excellent Mechanical Properties, High Wear Resistance, Good Thermal Shock |
| Zirconia Toughened Alumina | High Thermal Shock Resistance, Increased Toughness |
| Calcia Stabilised Zirconia | High Strength, Enhanced Hardness, Resistance to Low Temperature Degradation |
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FAQs
Frequent technical questions
Why is zirconia so tough?
Partially-stabilised zirconia contains metastable tetragonal grains that transform to monoclinic under crack-tip stress, expanding slightly and closing the crack — a mechanism called transformation toughening, unique to this ceramic family.
When should I choose Y-PSZ over Mg-PSZ?
Y-PSZ delivers higher toughness, finer microstructure and better surface finish — preferred for nozzles, cutting tools and structural parts. Mg-PSZ is cheaper and runs hotter, used for less demanding wear or larger geometries.
Can zirconia replace metal in chemical pumps?
Yes — in pumps and valves handling acids, alkalis or abrasive slurries, zirconia outlasts metals and alumina by significant factors. Check chemistry against hot caustics and HF before specifying.
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