DOCERAM Cerazur® is a high-performance technical ceramic made of
partially stabilized zirconia (ZrO₂ Y-PSZ). The material is recognizable by its
characteristic blue color and combines very high
flexural strength with excellent impact toughness and
wear resistance.
With a flexural strength of 1,300 MPa, a compressive strength of
3,000 MPa, and an impact strength of 12MPa·m¹/²,
Cerazur® is particularly well-suited for precision components subjected to high mechanical loads.
Its low thermal conductivity of less than 2 W/mK also supports
its use in thermally demanding applications.
Cerazur® offers a durable technical solution for applications in
which conventional materials or cemented carbides reach their limits
. Megatron AG supplies Cerazur® components in various
geometries and custom designs.
| Feature | Unit | Value |
|---|---|---|
| Material | - | ZrO₂ Y-PSZ |
| Color | - | Blue |
| Density | g/cm³ | 6,0 |
| Flexural Strength (4-Point) | MPa | 1.300 |
| Compressive Strength | MPa | 3.000 |
| E-modulus | GPa | 205 |
| Impact resistance | MPa·m¹/² | 12 |
| Weibull Module | m | 25 |
| Vickers hardness | HV 0.5 | 1.150 |
| Thermal expansion | 10⁻⁶K⁻¹ | 10 |
| Thermal conductivity | W/mK | < 2 |
| Temperature Cycling Resistance | ΔT °C | 280 |
| Maximum operating temperature | °C | 1.000 |
| Specific resistance at 20 °C | Ω cm | > 1010 |
| Dielectric Strength | kV/mm | - |
| Dielectric constant | εr | - |
| Dielectric loss factor (10 MHz) | tan δ | - |
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