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Morgan Advanced Ceramics GBC-85% Alumina 85-AS Aluminum Oxide Ceramic
Categories: Ceramic; Oxide; Aluminum Oxide

Material Notes: Highly versatile alumina ceramic with great mechanical, electrical, thermal, and chemical properties.

Prime Features:

  • Low thermal expansion
  • Good mechanical strength and hardness
  • Chemical and corrosion resistance
  • Consistent electrical and mechanical properties
  • Thermal stability
  • Dense, non porous and vacuum tight
Typical Applications:
  • Mechanical standoffs
  • Spacers
  • Resistor forms
  • Surge arrestors
  • Coil forms
  • General industrial duties requiring good mechanical, electrical, and thermal properties
Production Capabilities:
  • High volume production
  • Tight tolerance pressed alumina parts
  • Multi-cavity tooling
  • Complex geometries and multi-level configurations
  • Sub-miniature designs
  • Design consultation

Information provided by Morgan Advanced Materials

Key Words: 85-AS
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 PropertiesOriginal ValueComments
Density 3.40 g/cc
Open Porosity 0.00 %fully dense, % nominal, apparent
 
Mechanical PropertiesOriginal ValueComments
Hardness, Mohs 9.0
Tensile Strength 18000 psi
Flexural Strength 310 MPa
Compressive Strength 250000 psi
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 2.00e+10 ohm-cmat RT
Dielectric Constant 7.6
@Frequency 1e+6 Hz
at RT
Dielectric Strength 190 V/mil
Dissipation Factor 0.00060at RT
 
Thermal PropertiesOriginal ValueComments
CTE, linear 6.70 µm/m-°C
Thermal Conductivity 17.6 W/m-Kat RT
 
Component Elements PropertiesOriginal ValueComments
Al2O3 85 %
 
Descriptive Properties
Colorwhite

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