CeramTec DC 25 Dispersion Ceramic, Al2O3-ZrO2

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CeramTec DC 25 Dispersion Ceramic, Al2O3-ZrO2
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	DC 25 is a ZTA Alumina Zirconia Platelet Composite used in dental applications.
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Physical Properties	Metric	English	Comments

Density	4.37 g/cc	0.158 lb/in³	DIN EN 623-2
Water Absorption	0.00 %	0.00 %	Open Porosity; DIN EN 623-2
Particle Size	0.54 µm	0.54 µm	Grain
Permeability	0.00	0.00	%, Gas
Weibull Modulus	14	14	DINV ENV 843-5

Mechanical Properties	Metric	English	Comments
Vickers Microhardness	1910	1910	HV1; DINV ENV 843-4
Tensile Modulus	357 GPa	51800 ksi	Young's; DINV ENV 843-2
Flexural Strength	1350 MPa	196000 psi	DIN EN 843-1
	1390 MPa	202000 psi	Bending Strength; 4-Point; DIN ENV 843-1
Compressive Strength	4700 MPa	682000 psi	DIN 51067T1
Poissons Ratio	0.24	0.24	DINV ENV 843-2
Fracture Toughness	6.40 MPa-m½	5.82 ksi-in½	K_IC (SEVNB); DIN CEN/TS 14425-1
Shear Modulus	144 GPa	20900 ksi	Calculated

Electrical Properties	Metric	English	Comments
Volume Resistivity	2000 ohm-cm	2000 ohm-cm	IEC 672-1
Dielectric Strength	16.5 kV/mm	419 kV/in	IEC 672-1

Thermal Properties	Metric	English	Comments
CTE, linear	8.10 µm/m-°C @Temperature 20.0 - 400 °C	4.50 µin/in-°F @Temperature 68.0 - 752 °F	DIN EN 821-1
Specific Heat Capacity	0.700 J/g-°C	0.167 BTU/lb-°F	DINV ENV 821-3
Thermal Conductivity	17.0 W/m-K	118 BTU-in/hr-ft²-°F	DIN EN 821-2
Maximum Service Temperature, Air	1000 °C	1830 °F
Maximum Service Temperature, Inert	1000 °C	1830 °F

Component Elements Properties	Metric	English	Comments
Al2O3	74 %	74 %	DIN EN ISO 12677
Cr2O3	0.30 %	0.30 %	DIN EN ISO 12677
Y2O3	0.60 %	0.60 %	DIN EN ISO 12677
ZrO2	24 %	24 %	DIN EN ISO 12677

Descriptive Properties
Color	Magenta
Monoclinic Content (%)	< 10		DIN EN ISO 12677
Other Oxides (%)	< 0.1		DIN EN ISO 12677
Ra = Arithmetic Mean Roughness Value (µm)	<0.06
Radioactivity (Bq/kg)	< 25
Thermal Shock Resistance R1 (K)	355		calculated; R1 = [σ_s (1-µ)] / (α·E)

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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CCERA907 / 107507

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