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Rulon Bearings

ICE Al2O3 94
Categories: Ceramic; Oxide; Aluminum Oxide
Material Notes: Data provided by the manufacturer, International Ceramic Engineering.
Key Words: aluminas, Al2O3, International Ceramic Engineering, aluminum oxides, ICE Al2O3 94, aluminium oxide
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Physical PropertiesMetricEnglishComments
Density 3.96 g/cc0.143 lb/in³
Water Absorption 0.00 %0.00 %
 
Mechanical PropertiesMetricEnglishComments
Hardness, Mohs 9.09.0
Tensile Strength, Ultimate 170 MPa24700 psi
Flexural Strength 310 MPa45000 psi
Compressive Strength 2590 MPa376000 psi
Fracture Toughness 4.50 MPa-m½4.10 ksi-in½
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant 9.3
@Frequency 1e+6 Hz		9.3
@Frequency 1e+6 Hz
Dielectric Strength 9.10 kV/mm231 kV/in
Dielectric Loss Index 0.0028
@Frequency 1e+6 Hz		0.0028
@Frequency 1e+6 Hz
 
Thermal PropertiesMetricEnglishComments
CTE, linear 7.50 µm/m-°C
@Temperature 25.0 - 600 °C		4.17 µin/in-°F
@Temperature 77.0 - 1110 °F
Thermal Conductivity 22.4 W/m-K155 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 1700 °C3090 °F
 
Component Elements PropertiesMetricEnglishComments
Al2O3 94 %94 %
 
Descriptive Properties
ColorWhite

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CI0001 / 1377

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