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Rulon Bearings

CoorsTek Alumina-Zirconia Composite, AZ-25
Categories: Ceramic; Oxide; Aluminum Oxide; Zirconium Oxide

Material Notes: Information provided by CoorsTek.

Key Words: Zirconium Oxide, Aluminum Oxide
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 3.82 g/cc0.138 lb/in³ASTM C20
Water Absorption 1.0 %1.0 %ASTM C373
Particle Size 5.0 µm5.0 µmAverage Crystal Size - Thin Section Test
 
Mechanical PropertiesMetricEnglishComments
Knoop Microhardness 10.410.41000 g load
Hardness, Rockwell 45 N 7575GPa
Flexural Strength 172 MPa24900 psiASTM F417
Compressive Strength 2310 MPa335000 psiASTM C773
Fracture Toughness 5.00 - 6.00 MPa-m½4.55 - 5.46 ksi-in½Notched Beam
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity >= 1.00e+13 ohm-cm>= 1.00e+13 ohm-cmASTM D1829
 <= 1000 ohm-cm
@Temperature 1000 °C
<= 1000 ohm-cm
@Temperature 1830 °F
ASTM D1829
 5.00e+7 ohm-cm
@Temperature 500 °C
5.00e+7 ohm-cm
@Temperature 932 °F
ASTM D1829
Dielectric Constant 9.8
@Frequency 1e+6 Hz
9.8
@Frequency 1e+6 Hz
Dielectric Loss Index 0.0010
@Frequency 1e+6 Hz
0.0010
@Frequency 1e+6 Hz
ASTM D2520
 
Thermal PropertiesMetricEnglishComments
CTE, linear 8.50 µm/m-°C
@Temperature 25.0 - 1000 °C
4.72 µin/in-°F
@Temperature 77.0 - 1830 °F
ASTM C372
Thermal Conductivity 13.0 W/m-K90.2 BTU-in/hr-ft²-°FASTM C408
Maximum Service Temperature, Air 1400 °C2550 °FNo Load

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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CZ3CA / 2753

Aluminum Castings

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