ZTA-C: Advanced Zirconia-Toughened Alumina Ceramic for Superior Hardness and Thermal Shock Resistance

With this mixture of ceramics, a small amount of zirconium dioxide is added to the aluminum oxide which significantly improves the hardness and stability and simultaneously increases the toughness. It has following features:

Hardness

Resistance to pressure

Resistance to thermal shock

Reistance to temperature

Flexural Strenth

Properties

General

Property	Temperature	Value	Comment
Density	23.0 °C	4.1 g/cm³
Surface roughness		3.6 μm	Rz*

Mechanical

Property	Temperature	Value	Comment
Compressive strength	23.0 °C	2600 MPa
Elastic modulus	23.0 °C	360 GPa
Flexural strength	23.0 °C	600 MPa	4-point bending flexural test
Hardness, Vickers	23.0 °C	1733 [-]	converted from GPa
Plane-Strain Fracture Toughnes	23.0 °C	5 MPa·√m

Thermal

Property	Temperature	Value
Coefficient of thermal expansion	23.0 °C	9E-6 1/K
Thermal conductivity	23.0 °C	25 W/(m·K)

Electrical

Property	Temperature	Value
Electrical resistivity	20.0 °C	1.00E+14 Ω·m
	600.0 °C	1000000 Ω·m

Technological properties

Property
Application areas	Cutting materials for machine Valves, gear wheels Sensors For highest mechanical loads
Other	*depending on the processing status of the injection molding or pressing tool
Processing history	Ceramic Injection Molding (CIM)

Property

Application areas

Cutting materials for machine

Valves, gear wheels

Sensors

For highest mechanical loads

Other

*depending on the processing status of the injection molding or pressing tool

Processing history

Ceramic Injection Molding (CIM)

Alumina‑Toughened Zirconia (ATZ‑C): Superior Wear‑Resistance, Flexural Strength & Thermal Shock Resistance NP504WR Phenolic Resin Sheet – Heavy‑Weight Glass Fabric, 24/30 oz – Superior Strength & Low Moisture

Composite material