Yttria Stabilized Zirconia Micro Powder Description
Yttria-stabilized zirconia (YSZ) micro powder is a material derived from zirconium dioxide (ZrO2) that has been stabilized with yttrium oxide (Y2O3). The addition of yttria helps prevent the transformation of zirconia from a cubic crystal structure to a tetragonal structure at lower temperatures. This stabilization enhances the material's mechanical and thermal properties, making it suitable for various applications.
YSZ micro powder is known for its high melting point, excellent thermal and chemical stability, and low thermal conductivity. These properties make it valuable in a range of industries and applications, including:
- Ceramics and Refractory Materials: YSZ micro powder is used to manufacture high-performance ceramics and refractory materials, which are resistant to high temperatures and harsh environments.
- Solid Oxide Fuel Cells (SOFCs): YSZ is a common electrolyte material in solid oxide fuel cells, where it allows for the conduction of oxygen ions between the cathode and anode at elevated temperatures.
- Thermal Barrier Coatings: YSZ is applied as a thermal barrier coating in industries like aerospace and gas turbines. The material's ability to withstand high temperatures makes it suitable for protecting components from heat.
- Dental and Medical Applications: YSZ is used in dental ceramics and medical implants due to its biocompatibility and resistance to corrosion.
- Catalyst Supports: YSZ micro powder is employed as a support material for catalysts in various chemical processes.
- Sensor Components: YSZ is utilized in the production of oxygen sensors, where its conductivity properties are leveraged for accurate measurements.
The addition of yttria to zirconia provides stability and unique properties that make YSZ micro powder a versatile material with applications in diverse fields.
Yttria Stabilized Zirconia Micro Powder Specifications
Density
|
6.02g/cm3
|
Water absorption
|
Insoluble in water
|
Hardness
|
12.5GPa
|
Flexural strength
|
1380MPa
|
Tensile strength
|
690MPa
|
Elastic Modulus
|
210GPa
|
Thermal conductivity
|
202W
|
Volume resistivity at room temperature
|
>10
|
Yttria Stabilized Zirconia Micro Powder Applications
- Grinding ceramics, magnetic materials, paints, dyes, and inks.
- Utilization in the food, pharmaceutical, and specialty chemical industries.
- Production of tooth crowns.
- Application as cathodes.
- Use as a coating material.
Yttria Stabilized Zirconia Micro Powder Packing
The packing of Yttria Stabilized Zirconia Micro Powder involves careful handling during storage and transportation to ensure the preservation of its original quality.