By Property

Fracture Toughness

Fine ceramics generally have low toughness; however, zirconia, which is used to make ceramic knives, exhibits high fracture toughness.

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  • Material <Kyocera Material Code>
  • Fracture Toughness Mpa√m
  • Features
  • Application

Silicon Nitride <SN240>

Si3N4
High

Low
7

Excellent fracture toughness at high temperatures and thermal shock resistance

Product example of
Silicon Nitride

Zirconia <Z201N>

ZrO2
4 - 5

Extremely strong and tough

Product example of
Zirconia

Alumina <A479(99%Alumina)>

Al2O3
3 - 4

The most widely used ceramic

Product example of
Alumina

Silicon Carbide <SC1000>

SiC
2 - 3

Lightweight material with high corrosion resistance and excellent heat resistance

Product example of
Silicon Carbide

Yttria <YO100A>

Y2O3
1.1

Excellent plasma resistance

Product example of
Yttria
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