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LithaLox ZTA 1080

Zirconia-Toughened Alumina

LithaLox ZTA 1080

Zirconia-toughened alumina (ZTA) is a mixed ceramic which combines the properties of zirconia and alumina.

Technical Data
Relative density (%)

98.8

3-point bending strength (MPa)

708

Theoretical density [g/cm3]

4.39

Hardness HV10

1640

In order to increase fracture toughness, alumina is reinforced with zirconia to increase the bending strength to 620 MPa. The result is zirconia-toughened alumina, a material with the hardness of alumina and the increased toughness, strength and stiffness of zirconia. Furthermore, mixtures with lower amounts of zirconia retain the electrical insulation capacity of alumina.


ZTA10 (10 vol% zirconia) and ZTA20 (20 vol% zirconia) have already been successfully processed, and customer-specific mixing ratios can also be produced if desired.

FIELDS OF APPLICATION

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