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Ceramic Materials Table

SPT has a wide experience in developing ceramic materials.

Download Materials Table (PDF, 63KB)

1. "Alumina" Ceramic

 Properties

Units

  Al2O3
99.7%

 Al2O3
99.99%

  Polycrystalline
Ruby

  Zirconia Toughened
Alumina

  Zirconia Toughened
Alumina

SPT Denomination

 

  A

 R

 CT

AZ 

Density

 g/cm3

 3.9

 3.98

 3.9

 4.0

 4.25

Color

 

 White

 White (Translucent available)

 Red (Translucent available)

 White

 White

Flexural Strength Typical

 MPa

 310

 610  

520 

 550

 985

Hardness  

 HV 1

 1'800

 2'100

 2'200

 2'050

 2'000

Grain Size

  µm

 < 8

 < 1

< 2 

< 1 

< 0.9 

Characteristics

 

 

 

 

 

2. "Zirconia" Ceramic

 Properties

Units

   Zirconia
ZrO2-3Y 

 Zirconia
Alumina

   Zirconia
Alumina

   Zirconia ESD

SPT Denomination

 

  Z

ZF 

AZO

ZESD

Density

 g/cm3

 6.0

6.0

5.5

4.4

Color

 

Ivory or Anthracite

 White

White

 Anthracite

Flexural Strength Typical

 MPa

1'350

1'400

2'000

-

Hardness  

 HV 1

 1'300

1'300

1'500

1'100

Grain Size

  µm

 < 0.6

 < 0.6

< 0.5 

Characteristics  

 

 

 

 

 Electrostatic Dissipative
108 Ω * cm  

All properties are typical and considered accurate according to tests used by Small Precision Tools. SPT does not guarantee results or warrant that materials are suitable for any particular purpose. Material selection and testing is the responsibility of the user.


SEM photos of ceramic parts produced by SPT

SEM Photo, Alumina AL2 O3 Material: Alumina  Al2O3 99.99% 
Enlargement: x5'000
Average Grain Size: 0.8μm 
SEM Photo, Zirconia ZrO2-3Y Material: Zirconia  ZrO2-3Y 
Enlargement: x10'000
Average Grain Size: 0.6μm 


See also


 
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