CeramTec 848 Zirconia, ZrO2•MgO

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CeramTec 848 Zirconia, ZrO2•MgO
Categories:	Ceramic; Oxide; Zirconium Oxide
Material Notes:	Tetragonal zirconia exhibits high flexural strength and superior low temperature stability. It features higher impact strength and erosive wear resistance as compared to alumina. 848 TTZP (yellow) is recommended for applications where high fracture toughness is required, with higher elastic modulus.
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Physical Properties	Metric	English	Comments

Density	6.00 g/cc	0.217 lb/in³	DIN EN 623-2 / ASTM-C373 / ASTM-C20
Water Absorption	0.00 %	0.00 %	DIN EN 623-2 / ASTM-C373

Mechanical Properties	Metric	English	Comments
Vickers Microhardness	1150	1150	HV 0.5; DINV ENV 843-4
Tensile Strength at Break	551 MPa	79900 psi	ACMA Test #4 / DIN EN 843-1
Tensile Modulus	186 GPa	27000 ksi	Young's; DINV ENV 843-2 / ASTM-F417
Flexural Strength	750 MPa	109000 psi	20 x 40 mm
Compressive Strength	3000 MPa	435000 psi	ASTM C-773-88 / DIN 51067T1
Poissons Ratio	0.33	0.33	DINV ENV 843-2
Fracture Toughness	10.0 MPa-m½	9.10 ksi-in½	DIN 51109
Shear Modulus	80.0 GPa	11600 ksi

Electrical Properties	Metric	English	Comments
Volume Resistivity	5.00e+13 ohm-cm @Temperature 500 °C	5.00e+13 ohm-cm @Temperature 932 °F
Dielectric Constant	28 @Frequency 1e+6 Hz	28 @Frequency 1e+6 Hz	IEC 672-1 / ASTM-C150

Thermal Properties	Metric	English	Comments
CTE, linear	6.60 µm/m-°C @Temperature 20.0 - 200 °C	3.67 µin/in-°F @Temperature 68.0 - 392 °F
	7.70 µm/m-°C @Temperature 20.0 - 600 °C	4.28 µin/in-°F @Temperature 68.0 - 1110 °F	ASTM-C373
	8.20 µm/m-°C @Temperature 20.0 - 1000 °C	4.56 µin/in-°F @Temperature 68.0 - 1830 °F
Specific Heat Capacity	0.400 J/g-°C @Temperature 100 - 200 °C	0.0956 BTU/lb-°F @Temperature 212 - 392 °F	DINV ENV 821-3
Thermal Conductivity	2.70 W/m-K	18.7 BTU-in/hr-ft²-°F	DIN EN 821-2 / ASTM-C408
Maximum Service Temperature, Air	900 °C	1650 °F

Descriptive Properties
Color	Yellow
Thermal Shock Resistance R1 (K)	304		Hasselman (Experimental)

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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CCERA939 / 107539

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