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Rulon Bearings

Advanced Ceramics ACL 1085 (C-795) Alumina
Categories: Ceramic; Oxide; Aluminum Oxide

Material Notes: Information provided by Advanced Ceramics Limited (ACL)

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Physical PropertiesMetricEnglishComments
Density >= 3.80 g/cc>= 0.137 lb/in³
Open Porosity 0.0 %0.0 %
Grain Size 8.0 - 15 µm8.0 - 15 µm
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell 45 N 7979
Modulus of Elasticity 320 GPa46400 ksi
Shear Strength >= 300 MPa
@Temperature 20.0 °C
>= 43500 psi
@Temperature 68.0 °F
Cross Breaking Strength
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 1.00e+17 ohm-cm
@Temperature 20.0 °C
>= 1.00e+17 ohm-cm
@Temperature 68.0 °F
Dielectric Constant  9.05
@Frequency 1e+9 Hz
9.05
@Frequency 1e+9 Hz
 9.1
@Frequency 9.368e+9 Hz
9.1
@Frequency 9.368e+9 Hz
 9.51
@Frequency 1e+7 Hz
9.51
@Frequency 1e+7 Hz
Dielectric Strength 30.0 kV/mm
@Thickness 0.500 mm
762 kV/in
@Thickness 0.0197 in
Dissipation Factor  <= 0.00010
@Frequency 1e+7 Hz
<= 0.00010
@Frequency 1e+7 Hz
 <= 0.00010
@Frequency 1e+9 Hz
<= 0.00010
@Frequency 1e+9 Hz
 <= 0.00030
@Frequency 9.368e+9 Hz
<= 0.00030
@Frequency 9.368e+9 Hz
 
Thermal PropertiesMetricEnglishComments
CTE, linear  7.90 µm/m-°C
@Temperature 20.0 - 600 °C
4.39 µin/in-°F
@Temperature 68.0 - 1110 °F
 8.10 µm/m-°C
@Temperature 20.0 - 1000 °C
4.50 µin/in-°F
@Temperature 68.0 - 1830 °F
Thermal Conductivity >= 18.0 W/m-K>= 125 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 1000 °C1830 °FTe Value Tk1
 1452 °C2646 °FDeflection temperature; No load indicated.

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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