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CeramTec 950 Zirconia Toughened Alumina (ZTA), Al2O3•ZrO2
| Category | Ceramic , Oxide , Aluminum Oxide |
| Manufacturer | CeramTec North America |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | CeramTec 950 Zirconia Toughened Alumina (ZTA), Al2O3•ZrO2.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
950 has a combination of high strength (from zirconia) and high hardness (from the alumina phase). It has excellent wear resistance, both in sliding and abrasive conditions. This material offers a good compromise between toughened zirconia and alumina. It is a good choice for applications that require higher strength but lower hardness compared with alumina (e.g., textile wear parts). Produced with total dispersion of the zirconia phase in the alumina phase, 950 offers consistent performance, lot to lot.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 4.40 g/cc | 0.159 lb/in³ | DIN EN 623-2 / ASTM-C373 / ASTM-C20 |
| Water Absorption | 0.00 % | 0.00 % | DIN EN 623-2 / ASTM-C373 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Vickers Microhardness | 1500 | 1500 | HV 0.5; DINV ENV 843-4 |
| Tensile Strength at Break | 414 MPa | 60000 psi | ACMA Test #4 / DIN EN 843-1 |
| Tensile Modulus | 289 GPa | 41900 ksi | Young's; DINV ENV 843-2 / ASTM-F417 |
| Flexural Strength | 680 MPa | 98600 psi | 20 x 40 mm |
| Compressive Strength | 2890 MPa | 419000 psi | ASTM C-773-88 / DIN 51067T1 |
| Poissons Ratio | 0.22 | 0.22 | DINV ENV 843-2 |
| Fracture Toughness | 6.00 MPa-m½ | 5.46 ksi-in½ | DIN 51109 |
| Shear Modulus | 126 GPa | 18300 ksi |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 8.80 µm/m-°C | 4.89 µin/in-°F | DIN EN 821-1 |
| 6.90 µm/m-°C @Temperature 20.0 - 200 °C |
3.83 µin/in-°F @Temperature 68.0 - 392 °F |
||
| 7.80 µm/m-°C @Temperature 20.0 - 600 °C |
4.33 µin/in-°F @Temperature 68.0 - 1110 °F |
ASTM-C373 | |
| 8.30 µm/m-°C @Temperature 20.0 - 1000 °C |
4.61 µin/in-°F @Temperature 68.0 - 1830 °F |
||
| Specific Heat Capacity | 0.600 J/g-°C @Temperature 100 - 200 °C |
0.143 BTU/lb-°F @Temperature 212 - 392 °F |
DINV ENV 821-3 |
| Thermal Conductivity | 15.0 W/m-K | 104 BTU-in/hr-ft²-°F | DIN EN 821-2 / ASTM-C408 |
| Maximum Service Temperature, Air | 1500 °C | 2730 °F |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | Buff | |
| Te Value (°C) | > 1000 | |
| Thermal Shock Resistance R1 (K) | 250 | Hasselman (Experimental) |
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