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Alumina 96

Composition

Nom 96% Al2O3 

Description

Preferred alumina for rigorous applications that require excellent strength, hardness, corrosion resistance, and electrical resistivity.

Example Applications

  • Electronic ceramic substrates
  • Automotive components
     

CoorsTek Formulations

Contact a CoorsTek expert to choose an Alumina 96 solution for your application.

Columns
Property Units Value

Flexural Strength MOR, (20°C)

MPa

280-370

Compressive Strength, (20°C)

MPa

2000-2100

Fracture Toughness, KIc

MPa m1/2

3.5-5.0

Hardness, Rockwell 45N

R45N

78-81

Hardness, Knoop 1000gm

GPa

11.5

Maximum Use Temperature

°C

1620-1800

Coefficient of Thermal Expansion, (25-1000°C)

1 x 10-6/°C

7.8-9.0

Thermal Shock Resistance, (∆T)

°C

200-250

Thermal Conductivity, (20°C)

W/m K

15.0-25.0

Dielectric Strength, (6.35mm)

ac-kV/mm

8.3

Dielectric Constant, (1 MHz)

25°C

9.0-9.2

Volume Resistivity, (25°C)

ohm-cm

>1014

The information provided on this chart is for general material property reference only.  The customer should recognize that exact properties of materials may vary according to product configuration but close control of values of most properties can be maintained, if specified. Nothing herein is provided, or is to be construed, as absolute engineering data or constituting a warranty or representation. Contact CoorsTek for cost-effective design, development and manufacturing assistance. CoorsTek has 300+ variations including various forming and firing processes, not all variants are represented in the present website.

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