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Ensinger PEI

CeramTec 547 Cordierite (2MgO-2Al2O3-5SiO2)
Categories: Ceramic; Oxide; Aluminum Oxide; Magnesium Oxide; Silicon Oxide

Material Notes: Te value is 670°C. Hasselman Thermal Shock value is 800 K.

Data provided by CeramTec North America.

Key Words: 2MgO-2Al2O3-5SiO2
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Physical PropertiesMetricEnglishComments
Density 2.30 g/cc0.0831 lb/in³
Water Absorption 5.0 - 7.0 %5.0 - 7.0 %
 
Mechanical PropertiesMetricEnglishComments
Vickers Microhardness 640640HV 0.5
Tensile Strength, Ultimate 25.5 MPa3700 psiACMA Test #4
Modulus of Elasticity 128 GPa18600 ksiUltrasonic
Flexural Strength 82.6 MPa12000 psi20 x 40 mm
Compressive Strength 275 MPa39900 psiASTM C773-88
Poissons Ratio 0.280.28ASTM C-1 259-94
Shear Modulus 51.0 GPa7400 ksiUltrasonic
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity  780000 ohm-cm
@Temperature 700 °C
780000 ohm-cm
@Temperature 1290 °F
 1.00e+14 ohm-cm
@Temperature 25.0 °C
1.00e+14 ohm-cm
@Temperature 77.0 °F
Dielectric Constant 5.2
@Frequency 1e+6 Hz
5.2
@Frequency 1e+6 Hz
Dielectric Strength 6.772 kV/mm
@Thickness 6.35 mm
172.0 kV/in
@Thickness 0.250 in
Dissipation Factor 0.010
@Frequency 1e+6 Hz
0.010
@Frequency 1e+6 Hz
Dielectric Loss Index 0.052
@Frequency 1e+6 Hz
0.052
@Frequency 1e+6 Hz
 
Thermal PropertiesMetricEnglishComments
CTE, linear  2.30 µm/m-°C
@Temperature 25.0 - 300 °C
1.28 µin/in-°F
@Temperature 77.0 - 572 °F
 3.00 µm/m-°C
@Temperature 25.0 - 700 °C
1.67 µin/in-°F
@Temperature 77.0 - 1290 °F
 3.20 µm/m-°C
@Temperature 25.0 - 1001 °C
1.78 µin/in-°F
@Temperature 77.0 - 1834 °F
Specific Heat Capacity 0.700 J/g-°C0.167 BTU/lb-°F
Thermal Conductivity 1.60 W/m-K11.1 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 1100 °C2010 °F

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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