Yttria Stabilized Zirconia, YSZ

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Yttria Stabilized Zirconia, YSZ
Categories:	Ceramic; Oxide; Zirconium Oxide
Material Notes:	Property data is typical for commercially available yttria stabilized zirconia ceramics, and varies with processing and exact composition. The yttrium oxide addition stabilizes the high temperature tetragonal zirconia phase and prevents transformation to the room temperature stable monoclinic phase. YSZ has high strength and corrosion resistance. Used for structural components, coatings, wear parts, fiber optic ferrules and sleeves, oxygen sensors, and solid oxide fuel cells (SOFC).
Key Words:	Zirconium Oxide, ZrO2
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Physical Properties	Metric	English	Comments

Density	5.85 - 6.10 g/cc	0.211 - 0.220 lb/in³
Water Absorption	0.00 %	0.00 %

Mechanical Properties	Metric	English	Comments
Hardness, Mohs	8	8
Modulus of Elasticity	200 - 210 GPa	29000 - 30500 ksi
Compressive Strength	2200 - 2500 MPa	319000 - 363000 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	>= 1e+12 ohm-cm	>= 1e+12 ohm-cm
Dielectric Constant	29	29
Dielectric Strength	9.00 - 19.0 kV/mm	229 - 483 kV/in
Dissipation Factor	0.001 - 0.002	0.001 - 0.002

Thermal Properties	Metric	English	Comments
CTE, linear	10.3 - 11.0 µm/m-°C @Temperature 20.0 - 1000 °C	5.72 - 6.11 µin/in-°F @Temperature 68.0 - 1830 °F
Thermal Conductivity	2.20 - 2.50 W/m-K	15.3 - 17.4 BTU-in/hr-ft²-°F

Component Elements Properties	Metric	English	Comments
Y2O3	3 - 12 %	3 - 12 %
ZrO2	88 - 97 %	88 - 97 %

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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BOZrAy / 171674

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