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Products and services

DOCERAM was founded as a technology company with the expectation of manufacturing user-friendly products from high-performance ceramics. A portfolio has arisen in the course of two decades that covers a wide range of requirements for various industrial areas of use. Our components and apparatus are used primarily in plant and mechanical engineering, as well as in production and process engineering. Furthermore, we supply products in numerous other industries – from the pump industry through to medical technology.

We will be pleased to consult you with regard to your queries. Please do not hesitate to contact us at any time.

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Materials and their characteristics

DOCERAM Bezeichnung
DOCERAM Type
Einheit A-132 A-141 M-132 M-141 Z-141 Cerazur Volcera 131 Volcera 141 M-121
Material
Material
- AI2O3
>99,7%
AI2O3
>99,99%
AI2O+
ZrO2
ATZ ZrO2 Y-PSZ ZrO2 Y-PSZ Si3N4 Si3N4 AI2O3 - TiO2
Farbe
Colour
- elfenbein
ivory
hellrosa
pink
weiß
white
weiß-grau
white-grey
weiß
white
blau
blue
grau, schwarz
grey, black
grau, schwarz
grey, black
grau
grey
Dichte
Density
(g/cm3) 3,9 3,9 4,1 5,5 >6,04 6 3,2 3,2 3,0-37
Biegefestigkeit
Flexural Strength
(MPa) 390 390 600 1600 1200 1300 750 1000 15-100
Druckfestigkeit
Compressive Strength
(MPa) 3900 3900 3600 3600 3000 3000 2500 2500 -
E-Modul
Modules of Elasticity
(GPa) 390 390 350 200 205 205 320 320 10-50
Schlagzähigkeit
Impact Resistance
(MPa m1/2) 5,2 5,2 7,5 8 8 12 6,7 6,4 -
Weibull Modul
Weibull Modules
- 12 12 18 12 12 25 15 14 10-12
Vickers Härte
Vickers Hardness
(HV 0,5) 2000 2000 1600 1400 1300 1150 1650 1650 HV10
5
Wärmeausdehnung
Thermal Expansion Coefficient
(10 -6K-1) 5,5-8,4 5,5-8,4 6,0-8,6 9 10 10 3,4 3,4 α30-100°C
6
Wärmeleitfähigkeit
Thermal Conductivity
(W/mK) 28 28 18 6 <2 <2 22 22 λ30-100°C
1,5-3,0
Temp. Wechselbeständigkeit
Thermal Shock Resistance
(ΔT°C) 120 180 200 660 290 280 550 830 extrem gut
Maximale Einsatztemperatur
Maximum Use Temperature
(°C) 1700 1700 1000 1000 1000 1000 1000 1200 900-1600
Spez. Widerstand bei 20°C
Volume Resistivity at 20°C
(Ω cm) > 1017 > 1015 > 1013 - > 1010 > 1010 > 1011 > 1011 > 1014
Durchschlagsfestigkeit
Dielectric Strength
(kV/mm) 22 30 - - - - 20 20 -

 

The values listed were determined on standard test specimens. The material properties can deviate from these values depending on the application and component geometry. Please contact us should you require a precise clarification of the material suitability. Other technical data on request. Subject to technical modifications and errors. 2014 edition. Download

 


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