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Advanced Ceramics provide exceptional resistance to corrosion, mechanical wear, and abrasion. These materials have a low coefficient of thermal expansions and the ability to withstand high temperatures.
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Density |
g/cc |
ASTM C20 |
3.4 |
3.9 |
3.9 |
5.7 |
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Color |
** |
** |
WHITE |
IVORY |
IVORY |
IVORY |
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Water Absorption |
% |
ASTM C373 |
0 |
0 |
0 |
0 |
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Elastic Modulus |
GPa |
ASTM C848 |
220 |
370 |
350 |
200 |
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Possion's Ratio |
** |
ASTM C848 |
0.22 |
0.22 |
0.22 |
0.3 |
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Flexural Strength |
MPa |
ASTM F417 |
296 |
379 |
360 |
620 |
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Compressive Strength |
MPa |
ASTM C773 |
1930 |
2600 |
2400 |
1750 |
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Fracture Toughness |
MPa* m1/2 |
NOTCHED BEAM |
3-4 |
4-5 |
4-5 |
11 |
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Hardness |
GPa |
ROCKWELL 45N KNOOP 1000g |
73 9.4 |
83 14.1 |
83 14.1 |
77 12 |
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Thermal Conductivity |
W/mK |
ASTM C408 |
16 |
30 |
30 |
2.2 |
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CTE 25-1000 |
10^6/°C |
ASTM C372 |
7.2 |
8.2 |
8.2 |
10.1 |
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Specific Heat |
J/kg-K |
ASTM E1269 |
920 |
880 |
880 |
600 |
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Thermal Shock |
?Tc |
NOTE 3 |
300 |
200 |
200 |
350 |
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Dielectric Strength |
ac-kv/mm (6.25mm) |
ASTM D116 |
8.3 |
8.7 |
8.7 |
9.4 |
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Dielectric Loss |
25°C @1MHz |
ASTM D2520 |
0.0009 |
0.0001 |
0.001 |
0.001 |
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Volume Resistivity |
25°C 500°C ohm-cm 1000°C |
ASTM D1829 |
<10^14 4x10^8 |
>10^14 2x10^10 2x10^6 |
>10^14 2x10^10 5x10^7 |
>10^13 5x10^4 <10^2 |
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