Datasheet of ZIRCONIA
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DATASHEET of ZIRCONIA |
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Main Characteristics |
High Mechanical Strength, Good Wear and Heat Resistance. |
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Main Applications |
Wear and Heat Resistance Parts |
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Zirconia (ZrO2) |
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Zirconid-Toughened Alumina |
MgO Partially Stabilized Zirconia |
3%mol Y2O3 Stabilized Zirconia |
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Characteristics |
Item |
ZTA |
Mg-PSZ |
3Y-TZP |
Unit |
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Mechanical Characteristics |
Colour |
White |
Ivory |
White/Ivory |
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Density |
4.1 |
5.72 |
6.02 |
g/cm3 |
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Bending Strength |
550 |
500 |
1200 |
MPa |
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Compressive Strength |
2900 |
2500 |
3000 |
MPa |
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Elastic Modulus |
360 |
250 |
210 |
GPa |
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Fracture Toughness |
5~6 |
8 |
13 |
MPam1/2 |
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Vickers Hardness |
1600 |
1100 |
1300 |
HV0.5 |
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Thermal Characteristics |
Coefficient of Line Thermal Expansion |
8.3 |
10.2 |
10.3 |
10-6K-1 |
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Thermal Conductivity |
27 |
3 |
2.2 |
W/mK |
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Thermal Shock Resistance (Put in Water) |
300 |
450 |
300 |
∆T°C |
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Max Working Temperature |
1500 |
2100 |
1000 |
°C |
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Electrical Characteristics |
Volume Resistance at 20°C |
>1014 |
>1013 |
>1013 |
Ωcm |
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Dielectric Strength |
9×106 |
13×105 |
11×106 |
V/m |
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Dielectric Constant |
10.6 |
28 |
33 |
εr |
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One MHZ Dielectric Loss Angle at 20°C |
0.0005 |
0.0017 |
0.0016 |
tanδ |
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