By Property

Hardness (Wear Resistance)

A primary advantage of fine ceramics is their extreme hardness, which confers excellent wear resistance.

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  • Material <Kyocera Material Code>
  • Hardness (Wear Resistance)GPa
  • Features
  • Application

Silicon Carbide <SC1000>

SiC
High

Low
23.0

Lightweight material with high corrosion resistance and excellent heat resistance

Product example of
Silicon Carbide

Sapphire <SA100>

Al2O3
22.5

Transparent single-crystal alumina

Product example of
Sapphire

Cermet <TC-30>

TiC·TiN
16.2

Compound materials made from titanium carbide or titanium nitride and metal

Product example of
Cermet

Alumina <A479(99%Alumina)>

Al2O3
15.2

The most widely used ceramic

Product example of
Alumina

Silicon Nitride <SN240>

Si3N4
14.0

Excellent fracture toughness at high temperatures and thermal shock resistance

Product example of
Silicon Nitride

Zirconia <Z201N>

ZrO2
12.3

Extremely strong and tough

Product example of
Zirconia

Mullite <ML-652>

3Al2O3·2SiO2
10.8

Excellent heat and thermal shock resistance

Product example of
Mullite

Aluminum Nitride <AN216A>

AlN
10.4

Excellent thermal conductivity

Product example of
Aluminum Nitride

Forsterite <F-1120>

2MgO·SiO2
7.3

Smooth surface and excellent insulation at high temperatures

Product example of
Forsterite

Cordierite <CO210>

2MgO·2Al2O3·5SiO2
7.2

Low thermal expansion and excellent thermal shock resistance

Product example of
Cordierite

Yttria <YO100A>

Y2O3
6.0

Excellent plasma resistance

Product example of
Yttria

Steatite <S-210>

MgO·SiO2
5.8

Excellent electrical and mechanical properties

Product example of
Steatite

Hardness



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