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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
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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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