96% Alumina Substrate Material Properties

CoorsTek  AD-96

Trade Name

AD-96

Composition

Nominal 96% Al2O3

Color

White


Property

Units

Test

Value

Density

gm/cc

ASTM-C20

3.72

Crystal Size

Microns

Thin-Section

6

Water Absorption

%

ASTM-373

0

Gas Permeability

 

 

0

Flexural Strength (MOR), 20 degrees C

--

--

358 (52)

Elastic Modulus, 20 degrees C

GPa (psi x 106)

ASTM-F417

303 (44)

Poisson's Ratio, 20 degrees C

--

ASTM-C848

0.21

Compressive Strenght

MPa(psi x 103)

ASTM-C773

2068 (300)

Hardness

GPa(kg/mm2)

KNOOP 1000 gm

11.5 (1175)

 

 

Rockwell 45 N

78

Tensile Strength, 25 degrees C

MPa (psi x 103)

ACMA TEST #4

221 (32)

Fracture Toughness K(Ic)

Mpa m1/2

NOTCHED BEAM

4-5

Thermal Conductivity, 20 degrees C

Wm degrees K

ASTM-C408

24.7

Coefficient of Thermal Expansion, 25-1000 degrees C

1 x 10-6/degrees C

ASTM-C372

8.2

Specific Heat, 100 degrees C

J/kg*K

ASTM-E1269

880

Thermal Shock Resistance, (delta)Tc

degrees C

NOTE 3

250

Maximum Use Temperature

degrees C

NO-LOAD COND.

1700

Dielectric Stength

ac-kV/mm (acV/mil)

ASTM-D116

8.3 (210)

Dielectric Constant, 1MHz

25 degrees C

ASTM-D150

9.0

Dielectric Loss (tan delta) 1MHz

25 degrees C

ASTM-D2520

0.0002

Volume Resistivity

25 degrees C

ohm-cm

ASTM-D1829

>1014

 

500 degrees C

ohm-cm

ASTM-D1829

4 x 109

 

1000 degrees C

ohm-cm

ASTM-D1829

1 x 106

Manufacturing From Prototype Thru Production. We Can Meet Your Deadline.