ZTA-96 Zirconia Toughened Alumina Ceramic
ZTA-96 is a zirconia toughened alumina ceramic that exhibits excellent wear and corrosion resistance along with high strength and toughness. Astro Met has developed ZTA-96 zirconia toughened alumina through extensive ceramic engineering efforts which synergistically combine the superior wear resistance properties of AmAlOx 68 (99.8% alumina) and the high strength and toughness properties of AmZirOx 86 (yttria stabilized zirconia)
The unique engineering properties exhibited by ZTA-96 provide a cost effective materials solution to the most demanding applications which require wear resistance, corrosion resistance, high temperature stability and superior mechanical strength. ZTA-96 zirconia toughened alumina components can be manufactured to precision tolerances and finishes in a wide range of shapes and sizes.
ZTA-96 Zirconia Toughened Alumina Properties
| Typical Properties | Units | Value |
|---|---|---|
|
Composition |
wt% |
85% alumina, 15% zirconia |
|
Color |
--- |
White |
|
Bulk Density |
g/cm3 |
4.1 |
|
Water Absorption |
% |
0 |
|
Gas Permeation |
% |
0 |
|
Grain Size |
Microns |
1.5 |
|
Hardness (Vickers) |
HV |
1750 |
|
Flexural strength |
MPa (kpsi) |
760 (110) |
|
Modulus of Elasticity |
GPa (psi · 106) |
310 (45) |
|
Fracture Toughness |
MPa · m1/2 |
6 |
|
Thermal Expansion (25°C - 1000°C) |
10-6/°C (10 -6/°F) |
8.1 (4.5) |
|
Thermal Conductivity |
Btu · in/ft2 · h · °F |
150 |
|
Maximum Temperature Use (no load) |
°C (°F) |
1650 (3000) |
Astro Met, Inc.
9974 Springfield Pike
Cincinnati, OH 45215
Phone: 513-772-1242
Fax: 513-772-9080
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