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Machinable Ceramic Materials
Cordierite (2MgO-2Al2O3-5SiO2)
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PROPERTY | ![]() |
UNITS | ![]() |
VALUE | ![]() |
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Mechanical | ![]() |
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Density | ![]() |
gm/cc | ![]() |
2.5 | ![]() |
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Hardness | ![]() |
Mohs | ![]() |
7.5 | ![]() |
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Tensile Strength | ![]() |
kpsi | ![]() |
3.5-5.5 | ![]() |
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Modulus of Elasticity | ![]() |
psi x 106 | ![]() |
12 | ![]() |
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Flexural Strength | ![]() |
kpsi | ![]() |
8-17 | ![]() |
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Compressive Strength | ![]() |
kpsi | ![]() |
35-51 | ![]() |
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Poisson's Ratio | ![]() |
- | ![]() |
- | ![]() |
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Fracture Toughness | ![]() |
MPa m1/2 | ![]() |
- | ![]() |
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Electrical | ![]() |
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Dielectric Strength | ![]() |
ac volts/mil | ![]() |
212 | ![]() |
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Dielectric Constant | ![]() |
(at 1 MHz) | ![]() |
9.3 | ![]() |
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Volume Resistivity | ![]() |
ohm-cm2/cm | ![]() |
>1014 | ![]() |
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Thermal | ![]() |
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Coefficient of Thermal Expansion |
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x10-6/°C | ![]() |
6.8 | ![]() |
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Thermal Conductivity | ![]() |
W/m°K | ![]() |
18 | ![]() |
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Specific Heat | ![]() |
cal/g°C | ![]() |
0.21 | ![]() |
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Max Working Temp | ![]() |
°C | ![]() |
1700 | ![]() |
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Shock Resistance | ![]() |
°C | ![]() |
300 | ![]() |
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