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Elmet Technologies

Morgan Advanced Ceramics Hilox™882 Mac-A840S Technical Ceramic
Categories: Ceramic

Material Notes: An alumina ceramic that combines excellent wear and chemical resistance with good electrical and thermal properties.

Applications:

  • Hard wearing, chemically resistant counterface seats for automotive water pumps
  • Electrical stress relieving equipment for welding operations
  • Electrically insulative components for domestic and industrial equipment

information provided by Morgan Advanced Materials

Key Words: Technical Ceramic
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 3.53 g/cc0.128 lb/in³
Porosity 0.00 %0.00 %fully dense, nominal
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell 45 N 76.476.4
Modulus of Elasticity 250 GPa
@Temperature 20.0 °C
36300 ksi
@Temperature 68.0 °F
Young's
Flexural Strength 271 MPa
@Temperature 20.0 °C
39300 psi
@Temperature 68.0 °F
3-point
Compressive Strength 1800 MPa261000 psi
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity <= 1.00e+13 ohm-cm
@Frequency 50 Hz,
Temperature 20.0 °C
<= 1.00e+13 ohm-cm
@Frequency 50 Hz,
Temperature 68.0 °F
Dielectric Strength 28.0 kV/mm711 kV/in
 
Thermal PropertiesMetricEnglishComments
CTE, linear 8.20 µm/m-°C
@Temperature 20.0 - 1000 °C
4.56 µin/in-°F
@Temperature 68.0 - 1830 °F
Thermal Conductivity 15.0 W/m-K
@Temperature 20.0 °C
104 BTU-in/hr-ft²-°F
@Temperature 68.0 °F
 
Component Elements PropertiesMetricEnglishComments
Al2O3 84 %84 %
 
Descriptive Properties
Colorpink

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.

CMORF8074 / 203551

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