Zirconia ceramics
High fracture toughnessBiocompatibility

Zirconia ceramics

As one of the representative materials of advanced ceramics, zirconia is divided into yttrium-stabilized zirconia and magnetically stabilized zirconia. Both grades of zirconia have excellent properties.

Machining Capability

Whether your application requires high-precision structural components, wear-resistant parts, or complex ceramic geometries, our engineering team will work closely with you to develop customized solutions that meet your needs. From conceptual design to finished components, we are committed to precision, reliability, and manufacturing excellence, treating your zirconia projects with utmost care.

氧化锆陶瓷部件
Tolerance ±1μm
Concentricity 5μm (Φ300)
Cylindricity 1μm (Φ300)
Roughness Ra0.01μm
Parallelism 1μm
Max. Size 400*800mm

Advantages

  • Mohs hardness is 8.5.
  • Exhibits extremely high fracture toughness
  • Excellent wear resistance
  • Resistant to chemical corrosion
  • Can withstand high-temperature environments
  • Low thermal conductivity
  • Melting point as high as 2715°C

Properties

The table below lists the performance parameters of yttrium-stabilized zirconia ceramics. These values ​​are for reference only and may vary slightly depending on batch conditions.

Mechanical Properties Unit Zirconia
Density g/cm³ 6.02
Vickers Hardness GPa 13
Bending Strength MPa 900
Compressive Strength MPa 2400
Elastic Modulus GPa 210
Toughness MPa·m1/2 7
Poisson's Ratio 0.31
Young's Modulus GPa 200
Thermal Properties Unit Zirconia
Thermal Conductivity W/mK 3
Melting Point 2700
Maximum Operating 1000
Linear Expansion 10-6/K 10
Electrical Properties Unit Zirconia
Dielectric Constant (1 MHz) 30
Breakdown Voltage V/cm 1000
Dielectric Loss (1 MHz) < 0.001
Resistivity Ω·cm > 1012

Are you interested in our zirconia ceramic solutions?

氧化锆陶瓷的应用

Application

  • Bearings and plungers
  • Medical implants
  • Petrochemical pump sleeves and bushings
  • V-groove for optical fiber communication
  • Electric vacuum unit
  • Oxygen sensor
  • Spacecraft structural components
  • Engine components

Case

Zirconia vs. Macor: Impact Resistance Comparison

FAQs

What is the difference between Yttria-Stabilized Zirconia (YSZ) and Magnesia-Stabilized Zirconia (MSZ)?

From our machining and application experience, the core difference lies in phase stability and performance characteristics. Yttria-stabilized zirconia (YSZ) offers higher strength, better fracture toughness, and more consistent mechanical performance, which is why it is more widely used in precision and structural applications. It is typically white, with blue and black variants also available.Magnesia-stabilized zirconia (MSZ), on the other hand, is usually yellow in color and comes at a higher material cost. Its key advantage is better stability in high-temperature environments, especially resistance to phase transformation under prolonged thermal exposure. This makes MSZ more suitable for certain thermal or refractory applications where long-term stability at elevated temperatures is critical, even though its overall mechanical performance is generally lower than YSZ.Therefore, the final choice should be based on your application needs.

How do I choose between Zirconia and Macor?
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Do different colors of zirconia (black, blue, white) have different properties?
Color differences have little effect on mechanical properties. White is the most common and widely used color, while blue and black are typically chosen for specific applications.
Is zirconia ceramic a thermal insulator or a thermal conductor?
Zirconia is an excellent thermal insulation material; its extremely low thermal conductivity makes it ideal for structural components requiring high-temperature insulation.
Do you offer custom machining services for zirconia ceramics?
Yes, we are a professional manufacturer of zirconia ceramics. You can contact our experts and provide your drawings and requirements, and we will provide you with customized processing solutions.

Macor is a machinable glass-ceramic made from fluorophlogopite mica crystals embedded in a borosilicate glass matrix. This composition gives it a rare
combination of metal-like machinability, excellent electrical insulation, low thermal conductivity, and stability up to 1000°C (no load) while maintaining very tight tolerances.