Category | Ceramic , Oxide , Aluminum Oxide |
Manufacturer | CeramTec North America |
Trade Name | |
Port | Shanghai port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Download PDF | CeramTec 771 94% Alumina (Al2O3).pdf |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 3.60 g/cc | 0.130 lb/in³ | |
Water Absorption | 0.00 % | 0.00 % |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Vickers Microhardness | 1200 | 1200 | HV 0.5 |
Tensile Strength, Ultimate | 138 MPa | 20000 psi | ACMA Test #4 |
Modulus of Elasticity | 281 GPa | 40800 ksi | Ultrasonic |
Flexural Strength | 262 MPa | 38000 psi | 20 x 40 mm |
Compressive Strength | 1931 MPa | 280100 psi | ASTM C773-88 |
Poissons Ratio | 0.24 | 0.24 | ASTM C-1 259-94 |
Fracture Toughness | 2.70 MPa-m½ | 2.46 ksi-in½ | |
Shear Modulus | 113 GPa | 16400 ksi | Ultrasonic |
Thermal Properties | Metric | English | Comments |
---|---|---|---|
CTE, linear | 6.00 µm/m-°C @Temperature 25.0 - 300 °C |
3.33 µin/in-°F @Temperature 77.0 - 572 °F |
|
7.20 µm/m-°C @Temperature 25.0 - 700 °C |
4.00 µin/in-°F @Temperature 77.0 - 1290 °F |
||
7.40 µm/m-°C @Temperature 25.0 - 1001 °C |
4.11 µin/in-°F @Temperature 77.0 - 1834 °F |
||
Specific Heat Capacity | 0.900 J/g-°C | 0.215 BTU/lb-°F | |
Thermal Conductivity | 27.7 W/m-K | 192 BTU-in/hr-ft²-°F | |
Maximum Service Temperature, Air | 1500 °C | 2730 °F |
Electrical Properties | Metric | English | Comments |
---|---|---|---|
Electrical Resistivity | 7.00e+6 ohm-cm @Temperature 700 °C |
7.00e+6 ohm-cm @Temperature 1290 °F |
|
>= 1.00e+14 ohm-cm @Temperature 25.0 °C |
>= 1.00e+14 ohm-cm @Temperature 77.0 °F |
||
Dielectric Constant | 8.9 @Frequency 1e+6 Hz |
8.9 @Frequency 1e+6 Hz |
|
Dielectric Strength | 8.268 kV/mm @Thickness 6.35 mm |
210.0 kV/in @Thickness 0.250 in |
|
Dissipation Factor | 0.00030 @Frequency 1e+6 Hz |
0.00030 @Frequency 1e+6 Hz |
|
0.0010 @Frequency 1e+10 Hz |
0.0010 @Frequency 1e+10 Hz |
||
Dielectric Loss Index | 0.0027 | 0.0027 | 1 MHz; 20°C |