Yttria Stabilized Zirconia Nanopowder Description
Yttria Stabilized Zirconia, also called Yttria Toughened Zirconia Polycrystal (Y-TZP), is a strong fine-grain ceramic material. YSZ possesses excellent chemical inertness and corrosion resistance at temperatures up to 2200℃, well above the melting point of alumina. Zirconia is stabilized in the cubic crystal structure to avoid cracking and mechanical weakening during heating and cooling. In addition to their refractoriness, they offer low thermal conductivity and are electrical conductors above 800 ℃. They also possess the unique ability to allow oxygen ions to move freely through the crystal structure above 600 ℃.
Yttria Stabilized Zirconia Nanopowder Specification
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Density
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6.02g/cm3
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Water absorption
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Insoluble in water
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Hardness
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12.5GPa
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Flexural strength
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1380MPa
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Tensile strength
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690MPa
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Elastic Modulus
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210GPa
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Thermal conductivity
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202W
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Volume resistivity at room temperature
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>10
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Yttria Stabilized Zirconia Nanopowder Application
Yttria-Stabilized Zirconia (YSZ) Nanopowder is a high-performance material with wide-ranging applications due to its exceptional ionic conductivity, thermal stability, mechanical strength, and chemical resistance. It is prominently used as an electrolyte in solid oxide fuel cells (SOFCs) and in oxygen sensors, particularly in automotive and industrial settings. YSZ also serves as a key material in thermal barrier coatings for gas turbines and jet engines, extending component life by protecting against extreme heat. In biomedical fields, it is utilized for dental implants, crowns, and orthopedic prosthetics, valued for its biocompatibility and durability. Additionally, YSZ nanopowder is employed as a catalyst support in chemical reactions, including in automotive catalytic converters, and high-temperature sensors and electrochemical devices like batteries and electrolyzers. Its hardness and toughness make it ideal for wear-resistant coatings on cutting tools and abrasives, while its thermal stability is critical in refractory materials and high-temperature insulation. YSZ is also used in optical coatings, electronic components, and additive manufacturing, where precision and performance are crucial, especially in aerospace, medical, and industrial applications.
Yttria Stabilized Zirconia Nanopowder Packing
Our Yttria Stabilized Zirconia Nanopowder is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.
Yttria Stabilized Zirconia Nanopowder FAQs
Q1: How is YSZ nanopowder produced?
A: YSZ nanopowder is produced through methods such as sol-gel processing, hydrothermal synthesis, co-precipitation, and spray pyrolysis. These techniques allow for precise control over particle size, composition, and purity.
Q2: How does yttria content affect the properties of YSZ nanopowder?
A: The yttria content influences the phase composition and stability of zirconia. Typically, 3-8 mol% yttria is used to stabilize the tetragonal and cubic phases, which provide high toughness and ionic conductivity, respectively.
Q3: How is the quality of YSZ nanopowder verified?
A: Quality is verified using techniques such as X-ray diffraction (XRD) for phase analysis, scanning electron microscopy (SEM) and transmission electron microscopy (TEM) for particle size and morphology examination, and thermal analysis for stability and conductivity measurements.
