CeramTec Ziralit Zirconia Toughened Alumina (ZTA), Al2O3•ZrO2

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CeramTec Ziralit Zirconia Toughened Alumina (ZTA), Al2O3•ZrO2
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	CeramTec's Zirconia Toughened Alumina (Ziralit) provides excellent strength, excellent temperature performance, and superior toughness. It has enhanced performance for high quantity volume production and tight tolerances designs. Ziralit provides considerable improvement in strength and toughness over standard silicate products used in the fuse market. Due to its high temperature performance, the material has demonstrated successful application in the telecommunication fuse market where demanding requirements of 600V and 60A are typical.
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Physical Properties	Original Value	Comments

Density	3.80 g/cc
Water Absorption	0.00 %

Mechanical Properties	Original Value	Comments
Modulus of Elasticity	200 GPa
Flexural Strength	335 MPa	4 point

Electrical Properties	Original Value	Comments
Volume Resistivity	5.30e+7 ohm-cm @Temperature 600 °C
	1.40e+13 ohm-cm @Temperature 100 °C
	8.80e+15 ohm-cm @Temperature 20.0 °C
Dielectric Strength	30.0 kV/mm

Thermal Properties	Original Value	Comments
CTE, linear	7.60 µm/m-°C @Temperature 20.0 - 200 °C
	8.20 µm/m-°C @Temperature 20.0 - 500 °C
Specific Heat Capacity	0.800 J/g-°C @Temperature 20.0 - 100 °C
Thermal Conductivity	13.0 W/m-K @Temperature 20.0 - 100 °C

Descriptive Properties
Color	White
Thermal Shock Resistance R1 (K)	130
Withstand Voltage (kV)	> 15

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CCERA959 / 107559

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