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Ceramic Materials Table

SPT has a wide experience in developing ceramic materials.

Download Materials Table (PDF, 63KB)...

1. Alumina

 Properties

Units

  Al2O3
99.7%

 Al2O3
99.99%

  Polycrystalline
Ruby

  Zirconia Toughened
Alumina

  Zirconia Toughened
Alumina

Zirconia Toughened
Ruby

SPT Denomination

 

  A

 R

 CT

AZ 

AZR

Density

 g/cm3

 3.9

 3.98

 3.9

 4.0

 4.25

4.25

Color

 

 White

 White (Translucent available)

 Red (Translucent available)

 White

 White

Pink

Flexural Strength Typical

 MPa

 310

 610  

520 

 550

 985

960

Hardness  

 HV 1

 1'800

 2'100

 2'200

 2'050

 2'000

2090

Grain Size

  µm

 < 8

 < 1

< 2 

< 1 

< 0.9 

< 0.6

2. Zirconia

 Properties

Units

   Zirconia
ZrO2-3Y 

  Zirconia 
ZrO2-3Y 

 Zirconia
Alumina

   Zirconia
Alumina

SPT Denomination

 

  Z

 ZBL

ZF 

AZO

Density

 g/cm3

 6.0

 6.0

6.0

5.5

Color

 

Ivory 

 Black

 White

White

Flexural Strength Typical

 MPa

1'350

 1'350

1'400

2'000

Hardness  

 HV 1

 1'300

 1'300

1'300

1'500

Grain Size

  µm

 < 0.6

 < 0.6

 < 0.6

< 0.5 

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% 
Magnification: x5'000
Average Grain Size: 0.8μm 
SEM Photo, Zirconia ZrO2-3Y Material: Zirconia  ZrO2-3Y 
Magnification: x10'000
Average Grain Size: 0.6μm 


See also

 

 
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