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CoorsTek Zirconia-Toughened Alumina, ZTA
| Category | Ceramic , Oxide , Aluminum Oxide |
| Manufacturer | CoorsTek |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | CoorsTek Zirconia-Toughened Alumina, ZTA.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Thermal Shock Delta Tc = 300°C - Thermal shock tests are performed by quenching samples in water from different elevated temperatures. Delta Tc is the change in temperature which results in a sharp decrease in the flexural strength of the sample.Corrosion: Although all Coors Ceramics are highly resistant to chemical attack, Coors recommends obtaining specific application data from Coors before design finalization.Data Provided by the manufacturer, Coors Ceramics Co.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 4.05 g/cc | 0.146 lb/in³ | ASTM C20 |
| Water Absorption | 0.00 % | 0.00 % | ASTM C373 |
| Particle Size | 2.0 µm | 2.0 µm | Average Crystal Size - Thin Section Test |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Knoop Microhardness | 14.4 | 14.4 | 1000 g load |
| Hardness, Rockwell 45 N | 85 | 85 | GPa |
| Tensile Strength, Ultimate | 290 MPa | 42100 psi | ACMA Test #4 |
| Modulus of Elasticity | 360 GPa | 52200 ksi | ASTM C848 |
| Flexural Strength | 450 MPa | 65300 psi | ASTM F417 |
| Compressive Strength | 2900 MPa | 421000 psi | ASTM C773 |
| Poissons Ratio | 0.23 | 0.23 | ASTM C848 |
| Fracture Toughness | 5.00 - 6.00 MPa-m½ | 4.55 - 5.46 ksi-in½ | Notched Beam |
| Shear Modulus | 146 GPa | 21200 ksi | Calculated |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 8.30 µm/m-°C @Temperature 25.0 - 1000 °C |
4.61 µin/in-°F @Temperature 77.0 - 1830 °F |
ASTM C372 |
| Specific Heat Capacity | 0.885 J/g-°C | 0.212 BTU/lb-°F | ASTM E1269 |
| Thermal Conductivity | 27.0 W/m-K | 187 BTU-in/hr-ft²-°F | ASTM C408 |
| Maximum Service Temperature, Air | 1500 °C | 2730 °F | No Load |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Electrical Resistivity | >= 1.00e+14 ohm-cm | >= 1.00e+14 ohm-cm | ASTM D1829 |
| 1.00e+6 ohm-cm @Temperature 1000 °C |
1.00e+6 ohm-cm @Temperature 1830 °F |
ASTM D1829 | |
| 1.00e+9 ohm-cm @Temperature 500 °C |
1.00e+9 ohm-cm @Temperature 932 °F |
ASTM D1829 | |
| Dielectric Constant | 10.6 @Frequency 1e+6 Hz |
10.6 @Frequency 1e+6 Hz |
|
| Dielectric Strength | 9.00 kV/mm | 229 kV/in | ac; ASTM D116 |
| Dielectric Loss Index | 0.00050 | 0.00050 | at 25°C, 1 MHz; ASTM D2520 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | White |
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