Zirconia Toughened Alumina

Linear Formula:	ZrO-Al2O3
Material:	Zirconia content 10%-20% or customized
Appearance:	White powder or solid forms in various shapes
Particle Size:	D50＜1.0 µm
Purity:	≥99.9%

 

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🔹 Product Description
Zirconia Toughened Alumina (ZTA) is a high-performance composite material, combining zirconia (ZrO₂) and alumina (Al₂O₃) to achieve superior strength, toughness, and wear resistance. The material is commonly used in advanced industrial applications that demand durability and reliability. Available with zirconia content ranging from 10% to 20%, or customized based on client requirements, Zirconia Toughened Alumina provides exceptional mechanical properties. With a purity of ≥99.9% and particle size of D50 < 1.0 µm, this material excels in high-stress applications, offering high fracture toughness and excellent thermal stability.

 

🔹 Features & Properties
✔ High Toughness – The combination of zirconia and alumina significantly increases the toughness of the material, reducing brittleness and enhancing impact resistance.
✔ Excellent Wear Resistance – ZTA provides superior wear resistance, making it ideal for high-abrasion environments.
✔ High Purity – ≥99.9% purity ensures minimal impurities and maximized material integrity, contributing to the material's long-lasting performance.
✔ Fine Particle Size – With a D50 < 1.0 µm particle size, Zirconia Toughened Alumina ensures excellent dispersion and uniformity in applications that require precision.
✔ Thermal Stability – Excellent high-temperature stability, ensuring reliable performance under thermal cycling and extreme conditions.

 

🔹 Applications & Related Industries
Zirconia Toughened Alumina is widely used in industries where toughness, wear resistance, and thermal stability are essential. Key applications include:

Aerospace & Defense – High-performance materials for components that need to withstand high stresses and temperatures.

Automotive – Used in brake pads, rotors, and other high-friction components.

Electronics – Used in semiconductor and ceramic electronic components for high durability.

Medical – In biomedical devices such as dental implants, hip replacements, and prosthetic joints due to its biocompatibility.

Manufacturing & Machinery – Wear-resistant linings, bearings, and nozzles for manufacturing and machinery parts.

Mining & Construction – Components for heavy-duty applications, including mining tools and equipment.

 

🔹 Synonyms

ZTA

Zirconia Toughened Alumina Ceramic

ZrO₂-Al₂O₃ Composite

High-performance Ceramic

Alumina Zirconia Composite

Zirconia Reinforced Alumina

 

🔹 Health & Safety Information
⚠ Zirconia Toughened Alumina should be handled with care to avoid inhalation of dust particles. Wear appropriate PPE (personal protective equipment), including gloves, eye protection, and a dust mask, to prevent inhalation of fine particles during handling and processing.
⚠ Avoid exposure to extreme conditions where material might fracture or break, as sharp edges can cause injury.

 

🔹 Production Method & Equipment
Zirconia Toughened Alumina is typically produced through a powder processing method where zirconia is mixed with alumina and sintered at high temperatures to create a durable, composite ceramic material. Specialized equipment and processes are used to ensure high purity and uniform distribution of zirconia content, with D50 < 1.0 µm particle size for optimal performance.

 

🔹 Size & Customization
The standard zirconia content is 10%-20%, but it can be customized based on your specific needs and requirements. Available in powder or solid forms and in various shapes to suit different applications. Custom sizes can be produced upon request.

 

🔹 Certifications & Quality Assurance
✔ Our Zirconia Toughened Alumina meets stringent quality control standards to ensure excellent mechanical properties, consistency, and reliability.
✔ The product is tested for purity, particle size distribution, and toughness to guarantee performance under demanding conditions.

 

🔹 Lead Time & MOQ
Lead time and minimum order quantity (MOQ) vary depending on the quantity and specifications of the order. For more information, please contact us.

 

🔹 FAQs
Q1: What is the zirconia content in Zirconia Toughened Alumina?
A1: The standard zirconia content ranges from 10% to 20%, but we can also provide custom compositions based on your specific requirements.

Q2: What is the particle size of Zirconia Toughened Alumina?
A2: The standard particle size is D50 < 1.0 µm, offering fine dispersion and uniformity for precision applications.

 

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📩 Contact Us
For more information or to request a quote, please feel free to contact us. We are happy to assist with any questions or special customization needs.

 

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Zirconia Toughened Alumina Specification

Property	Units	Value
Density	g/cc	4.17
Grain Size	μm	6
Hardness (Vickers)	GPa	14.5
Tensile Strength	MPa	344
Compressive Strength	MPa	2758
Elastic Modulus	GPa	338
Poisson's Ratio	-	0.23
Flexural Strength, MOR (20 °C)	MPa	352 - 1250
Fracture Toughness, KIc	MPa m1/2	4.0 - 7.3
Thermal Conductivity (20 °C)	W/m K	12 - 27
Coefficient of Thermal Expansion	1 x 10-6/°C	8.0 - 9.0
Maximum Use Temperature	°C	1500
Dielectric Strength (6.35mm)	ac-kV/mm	9.0
Dielectric Loss (tan δ)	1MHz, 25 °C	5 x 10-4
Volume Resistivity (25°C)	Ω-cm	> 1014

 

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