Our materials
Cerazur®
The material properties of Cerazur offer:
High wear resistance
High temperature stability
Electrical as well as magnetic neutrality
Frequency neutrality
Resistant to galling
Chemically inert
Cerazur®: high-performance ceramic made from partially stabilised zirconium oxide
| DOCERAM Bezeichnung DOCERAM Type |
Unit | A-132 | A-141 | Z-141 | Cerazur | Volcera 141 | EvoCera |
| Material Material |
- | AI2O3 >99,7% |
AI2O3 >99,99% |
ZrO2 Y-PSZ | ZrO2 Y-PSZ | Si3N4 | - |
| Farbe Colour |
- | elfenbein ivory |
hellrosa pink |
weiß white |
blau blue |
grau, schwarz grey, black |
- |
| Dichte Density |
(g/cm3) | 3.9 | 3.9 | >6.04 | 6 | 3.2 | 5.9 |
| Biegefestigkeit Flexural Strength |
(MPa) | 390 | 390 | 1200 | 1300 | 1000 | 400 |
| Druckfestigkeit Compressive Strength |
(MPa) | 3900 | 3900 | 3000 | 3000 | 2500 | 3000 |
| E-Modul Modulus of Elasticity |
(GPa) | 390 | 390 | 205 | 205 | 320 | 218 |
| Bruchzähigkeit Fracture Toughness |
(MPa√m) | 5.2 | 5.2 | 8 | 12 | 6.4 | - |
| Weibull Modul Weibull Modulus |
- | 12 | 12 | 12 | 25 | 14 | 50 |
| Vickers Härte Vickers Hardness |
(HV 0.5) | 2000 | 2000 | 1300 | 1150 | 1650 | 1047 |
| Wärmeausdehnung Thermal Expansion Coefficient |
(10 -6K-1) | 5.5-8.4 | 5.5-8.4 | 10 | 10 | 3.4 | 11.1 |
| Wärmeleitfähigkeit Thermal Conductivity |
(W/mK) | 28 | 28 | <2 | <2 | 22 | 3.55 |
| Temp. Wechselbeständigkeit Thermal-Shock Resistance |
(ΔT°C) | 120 | 180 | 290 | 280 | 830 | - |
| Maximale Einsatztemperatur Maximum Operating Temperature |
(°C) | 1700 | 1700 | 1000 | 1000 | 1200 | - |
| Spez. Widerstand bei 20°C Volume Resistivity at 20°C |
(Ω cm) | > 1017 | > 1015 | > 1010 | > 1010 | > 1011 | - |
| Durchschlagsfestigkeit Dielectric Strength |
(kV/mm) | 22 | 30 | - | - | 20 | - |
The values listed were determined on standard test specimens. The material properties may deviate from these values depending on the applications and component geometry. Please contact us for precise clarification of the material suitability. Other technical data on request. Subject to technical modifications and errors. 2014 edition.
Sample Solutions
Headed dowels
Headed dowels are used to hold and determine the position of tools and fixtures. The advantage is that it enables punctiform placement of a workpiece. The punctiform support is easy to clean and excludes the possibility of contamination caused by…
Locating pin
During the manufacturing process for all types of products, there is a need to pick up and align parts or components. Since DOCERAM locating pins are ceramic parts made from Cerazur, they are wear-resistant, electrically insulating and do not suffer…
Coated components
Components with a wide variety of coatings are characterised by different properties depending on the type and material of the coating. Many coatings are used to achieve an extended service life as well as improved chemical resistance of the…
CAD portal
Our components from high-performance ceramics can also be configured on-line. All product variants are stored in our CAD portal - you can make adjustments quickly and easily by entering the parameters for your welding process.
Dosing components
The dosing systems used in the field of dosing technology are being continuously optimized and advanced.
Spacer sleeves
Spacer sleeves made from high-performance ceramics are used whenever a defined clearance must be created between two components or in situations where a distance must be bridged.
Gripper fingers
Gripper fingers have component-specific contours at their ends that enable them to pick up, grip, transport or guide components. They are used primarily in electronics manufacturing.
Blank holders
Blank holders serve to hold components securely in position in the application. They are typically held against a surface/contour.
Positioning pin
Positioning pins are used for the controlled positioning to extremely fine tolerances of components and moulded sheet metal parts.
Test plugs
Test plugs are assemblies made from different high-performance materials. They are used as standard for reliable 100% testing of vehicle electronics by leading manufacturers in the automotive industry.
Sensor protection
Examples of sensor protection include wear caps, wear disks or wear plates, which are used to protect the sensor behind.
Punching stamps
Punching stamps must repeatedly punch a contour in a predetermined geometry into a sheet.
Forming rollers
Forming processes place very high demands on the wear resistance and stability of the tools and mountings used. High surface qualities are required.
Vacuum-tight components
Many technical processes such as semiconductor fabrication, medical technology or material testing are conducted in a vacuum.
Valve needle/seat
The function of valves is to control or block the flow of liquids or gases. There are various types that differ depending on their application, design and mode of activation.
Heat insulation board
DOTHERM and ISOCOS offer heat protection plates that are precisely adapted to the respective process requirements in terms of material, compression strength, temperature resistance and dimensional stability.
Non-material-specific insulation solutions
In many industrial applications, it makes sense to use multi-layered materials or material combinations.
Workpiece holder/carrier
The exact positioning of components is particularly important for series production. Here, multiple components are frequently welded, bonded, riveted, soldered, etc. at high cycle rates to form assemblies.
Goods carriers
Goods carriers are used to hold other products, such as circuit boards. In many cases, they must be electrically insulating, wear-resistant and designed to cope with thermal shock to enable smooth handling.
Centring pin
Centring pins are manufactured entirely from ceramic and are used for centring nuts on metal sheets.