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Zirconium Oxide Beads Description
Zirconium oxide beads, also known as zirconia beads, are small spherical particles made primarily of zirconium oxide (ZrO2). Zirconium oxide is a ceramic material known for its high hardness, wear resistance, and thermal stability. These beads find various applications across different industries, particularly in materials processing, chemistry, and biomedical fields.
Zirconium Oxide Beads Advantages
- *High Hardness: making them effective for grinding and milling applications.
- *Chemical Inertness: providing stability in various chemical environments.
- *Wear Resistance: ensuring consistent performance during grinding and milling processes.
- *Biocompatibility: widely used in biomedical applications, particularly in dentistry.
Zirconium Oxide Beads Specifications
| Properties Type | Product types | ||||
| Chemical Composition | Normal ZrO2 | High purity ZrO2 | 3Y ZrO2 | 5Y ZrO2 | 8Y ZrO2 |
| ZrO2+HfO2 % | ≥99.5 | ≥99.9 | ≥94.0 | ≥90.6 | ≥86.0 |
| Y2O3 % | ----- | ------ | 5.25±0.25 | 8.8±0.25 | 13.5±0.25 |
| Al2O3 % | <0.01 | <0.005 | 0.25±0.02 | <0.01 | <0.01 |
| Fe2O3 % | <0.01 | <0.003 | <0.005 | <0.005 | <0.01 |
| SiO2 % | <0.03 | <0.005 | <0.02 | <0.02 | <0.02 |
| TiO2 % | <0.01 | <0.003 | <0.005 | <0.005 | <0.005 |
| Water Composition(wt%) | <0.5 | <0.5 | <1.0 | <1.0 | <1.0 |
| L.O.I(wt%) | <1.0 | <1.0 | <3.0 | <3.0 | <3.0 |
| D50(μm) | <5.0 | <0.5-5 | <3.0 | <1.0-5.0 | <1.0 |
| Surface area(m2/g) | <7 | 3-80 | 6-25 | 8-30 | 8-30 |
|
Properties Type |
Product types | ||||
| Chemical Composition | 12Y ZrO2 | Yello Y stabilized ZrO2 | Black Y stabilized ZrO2 | Nano ZrO2 | Thermal spray ZrO2 |
| ZrO2+HfO2 % | ≥79.5 | ≥94.0 | ≥94.0 | ≥94.2 | ≥90.6 |
| Y2O3 % | 20±0.25 | 5.25±0.25 | 5.25±0.25 | 5.25±0.25 | 8.8±0.25 |
| Al2O3 % | <0.01 | 0.25±0.02 | 0.25±0.02 | <0.01 | <0.01 |
| Fe2O3 % | <0.005 | <0.005 | <0.005 | <0.005 | <0.005 |
| SiO2 % | <0.02 | <0.02 | <0.02 | <0.02 | <0.02 |
| TiO2 % | <0.005 | <0.005 | <0.005 | <0.005 | <0.005 |
| Water Composition(wt%) | <1.0 | <1.0 | <1.0 | <1.0 | <1.0 |
| L.O.I(wt%) | <3.0 | <3.0 | <3.0 | <3.0 | <3.0 |
| D50(μm) | <1.0-5.0 | <1.0 | <1.0-1.5 | <1.0-1.5 | <120 |
| Surface area(m2/g) | 8-15 | 6-12 | 6-15 | 8-15 | 0-30 |
| Properties Type | Product types | |||
| Chemical Composition | Cerium stabilized ZrO2 | Magnesium stabilized ZrO2 | Calcium stabilized ZrO2 | Zircon aluminum composite powder |
| ZrO2+HfO2 % | 87.0±1.0 | 94.8±1.0 | 84.5±0.5 | ≥14.2±0.5 |
| CaO | ----- | ------ | 10.0±0.5 | ----- |
| MgO | ----- | 5.0±1.0 | ------ | ----- |
| CeO2 | 13.0±1.0 | ------ | ------ | ------ |
| Y2O3 % | ----- | ------ | ------ | 0.8±0.1 |
| Al2O3 % | <0.01 | <0.01 | <0.01 | 85.0±1.0 |
| Fe2O3 % | <0.002 | <0.002 | <0.002 | <0.005 |
| SiO2 % | <0.015 | <0.015 | <0.015 | <0.02 |
| TiO2 % | <0.005 | <0.005 | <0.005 | <0.005 |
| Water Composition(wt%) | <1.0 | <1.0 | <1.0 | <1.5 |
| L.O.I(wt%) | <3.0 | <3.0 | <3.0 | <3.0 |
| D50(μm) | <1.0 | <1.0 | <1.0 | <1.5 |
| Surface area(m2/g) | 3-30 | 6-10 | 6-10 | 5-15 |
Zirconia Beads Application
Here are some of the notable applications of zirconium oxide:
- Ceramics and Refractories:
- Zirconium oxide is a key component in advanced ceramics, where it is used to make high-performance ceramic products like cutting tools, nozzles, crucibles, and refractory linings for high-temperature applications.
- Dental Implants and Prosthetics:
- Zirconia is used in dentistry for dental implants and prosthetics (crowns, bridges, and dentures) due to its excellent biocompatibility, strength, and tooth-like appearance.
- Electronics:
- Zirconium oxide is used as a dielectric material in electronic components such as capacitors and insulators due to its high dielectric constant and electrical insulation properties.
- Fuel Cells:
- Zirconia-based electrolytes are used in solid oxide fuel cells (SOFCs) to facilitate the conversion of chemical energy to electrical energy, enabling clean and efficient power generation.
- Thermal Barrier Coatings:
- Zirconia-based coatings are applied to gas turbine engine components to protect them from high-temperature environments and improve engine efficiency.
- Abrasives and Grinding Media:
- Zirconium oxide beads and powders are used as abrasive materials in the manufacturing of grinding wheels, sandpapers, and abrasive compounds for various machining and polishing applications.
- Catalysis:
- Zirconium oxide is used as a support material for catalysts in chemical reactions, where its high surface area and thermal stability enhance catalytic performance.
- Biomedical Applications:
- Zirconia is utilized in various biomedical applications, including hip and knee joint replacements, due to its biocompatibility and resistance to wear and corrosion.
- Coatings and Linings:
- Zirconium oxide coatings are applied to protect surfaces from corrosion and wear in harsh chemical environments. They are commonly used in chemical processing equipment.
- Piezoelectric Devices:
- Zirconium oxide-based materials are used in piezoelectric devices like sensors and actuators due to their ability to generate an electric charge when mechanical stress is applied.
- Glass Industry:
- Zirconium oxide is used as a stabilizer in the production of some types of glass, such as lead-free glass and high-quality optical glass.
- Aerospace:
- Zirconium oxide is used in the aerospace industry for components that require high-temperature resistance and strength, such as turbine blades and heat shields.
- Nuclear Industry:
- Zirconium alloys are used as cladding materials for fuel rods in nuclear reactors due to their resistance to corrosion and ability to withstand high temperatures.
- Textile Industry:
- Zirconium oxide can be used as a flame retardant in textiles to improve fire resistance.
- Artificial Gems and Gemstone Imitations:
- Zirconium oxide is used to create synthetic gemstones that mimic the appearance of diamonds, sapphires, and other precious stones.
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