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Rulon Bearings

Astro Met ZTA 96 Zirconia Toughened Alumina
Categories: Ceramic; Oxide; Aluminum Oxide

Material Notes: General Description:

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)

Applications:

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.

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Physical PropertiesMetricEnglishComments
Bulk Density 4.10 g/cc0.148 lb/in³
Water Absorption 0.00 %0.00 %
Particle Size 1.5 µm1.5 µm
 
Mechanical PropertiesMetricEnglishComments
Hardness, Vickers 17501750
Modulus of Elasticity 310 GPa45000 ksi
Flexural Strength 760 MPa110000 psi
Fracture Toughness 6.00 MPa-m½5.46 ksi-in½
 
Thermal PropertiesMetricEnglishComments
CTE, linear 8.10 µm/m-°C
@Temperature 25.0 - 1000 °C
4.50 µin/in-°F
@Temperature 77.0 - 1830 °F
Thermal Conductivity 21.6 W/m-K150 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 1650 °C3000 °Fno load
 
Component Elements PropertiesMetricEnglishComments
Al2O3 85 %85 %
ZrO2 15 %15 %
 
Descriptive Properties
ColorWhite
Gas Permeation, %0

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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CASTR03 / 631

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