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Rare Earth Elements
Yttria Stabilized Zirconia (YSZ)
Yttria (3 mol%) Stabilized Zirconia (YSZ)
Partially stabilized Zirconia(PSZ) is a mixture of zirconia polymorphs, because insufficient cubic phase-forming oxide (Stabilizer) has been added and a cubic plus metastable tetragonal ZrO2 mixture is obtained. The most common and widely used PSZ is 3 mol% of Yttria stabilized Zirconia. It contains 3 mol% Yttria (Y2O3), it’s 5.2 ± 0.2 % in weight.
| Item Name: | Yttria (3 mol%) Stabilized Zirconia |
| CAS Number: | 1314-23-4 |
| Molecular Formula: | ZrO2 + Y2O3, YSZ |
| Purity: | 99.9% |
| Package: | 25kg/bag, 50kg/drum |
Yttria (3 mol%) Stabilized Zirconia powder (YSZ powder)
| Purity | Other Properties |
| Zr(Hf)O2: 94.5%; Y2O3: 5.2 ± 0.2 % | D50 = 0.5-0.8 µm; Specific Surface Area ~ 15 m2/gm |
| Zr(Hf)O2: 94.5%; Y2O3: 5.2 ± 0.2 % | D50 < 1.0 µm; Specific Surface Area 7~9 m 2/gm |
Yttria (3 mol%) Stabilized Zirconia Part
| Product Name | Product Name |
| Zirconia Mortar & Pestle | Zirconia Plate |
| Zirconia Crucible | Zirconia Cutting Blade |
| Zirconia Tube | Zirconia Plunger |
| Zirconia Pot/Jar | Zirconia Ring |
| Zirconia Rod | Zirconia Ball Valve |
Specification of Yttria (3 mol%) Stabilized Zirconia
| Composition | wt% | 94.5%ZrO2, 5.2 ± 0.2 %Y2O3 |
| Specific density | g/cm3 | ≥5.95 |
| Hardness(HV) | GPa | >12 |
| Thermal expansion coefficient(20～400℃) | X10-6/k | 11 |
| Elastic modulus | GPa | 205 |
| Fracture toughness | MPa·m1/2 | >9 |
| Bending strength | MPa | >1150 |
| Grain size | μm | <0.5 |
| Thermal conductivity | w/(m·k) | 3 |
| Features of Yttria (3 mol%) Stabilized Zirconia (YSZ Product) | Applications of Yttria (3 mol%) Stabilized Zirconia (YSZ Product) |
|
- Super hardness - High density - High bending strength and breaking tenacity - Low thermal conductivity (20% that of alumina) - Good chemical stability - Resistance to molten metals - High wear-resisting - High fracture toughness - Good corrosion resistance - High temperature tolerance - Good insulation - High mechanical strength - Good polishing surface - Precision tolerance |
- Insulating rings in thermal processes - Precision shafts and axles in high wear environments - Wear resistance pads - Thermocouple protection tubes - Sandblasting nozzles - Refractory material - Extrusion dies - Bushings and caps - Fiber optic ferrules and sleeves - Knives and blades - Fuel cell parts - Bearings & rollers - Welding nozzles & pins - Laser parts - Gas igniters - Electric insulator - Ceramic guiders - Oxygen sensors - Medical and surgical component - Mechanical seals |
Package of our Yttria Stabilized Zirconia (YSZ):
Double layer plastic bags, 25kg/bag, 50kg/drum, or according to customer’s package requirement for powder. Wooden crate or carton box for zirconia parts.