Goodfellow Hot Pressed Silicon Carbide SiC

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Goodfellow Hot Pressed Silicon Carbide SiC
Categories:	Ceramic; Carbide
Material Notes:	Hot Pressed Silicon Carbide is a high density, high strength material which is used in refractory applications and a wide range of engineering applications. Silicon Carbide can be highly polished and has potential for space-based mirrors, because of its high specific strength and stiffness compared with those of glass. Information provided by Goodfellow.
Key Words:	REFEL F®
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Physical Properties	Metric	English	Comments

Density	3.15 g/cc	0.114 lb/in³
Porosity	0.00 %	0.00 %	Apparent

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	2400 - 2800	2400 - 2800	kgf/mm²
Tensile Modulus	200 - 500 GPa	29000 - 72500 ksi
Compressive Strength	1000 - 1700 MPa	145000 - 247000 psi
Shear Strength	210 - 380 MPa	30500 - 55100 psi

Electrical Properties	Metric	English	Comments
Volume Resistivity	1000 ohm-cm - 1e+05	1000 ohm-cm - 1e+05
Dielectric Constant	40	40

Thermal Properties	Metric	English	Comments
CTE, linear	4.50 µm/m-°C @Temperature 20.0 - 1000 °C	2.50 µin/in-°F @Temperature 68.0 - 1830 °F
Specific Heat Capacity	0.670 - 0.710 J/g-°C @Temperature 20.0 °C	0.160 - 0.170 BTU/lb-°F @Temperature 68.0 °F
Thermal Conductivity	90.0 - 160 W/m-K @Temperature 25.0 °C	625 - 1110 BTU-in/hr-ft²-°F @Temperature 77.0 °F
Melting Point	2650 - 2950 °C	4800 - 5340 °F
Maximum Service Temperature, Air	<= 1650 °C	<= 3000 °F	Continuous

Component Elements Properties	Metric	English	Comments
SiC	100 %	100 %

Descriptive Properties
Chemical Resistance - Alkalis	Good - Poor
Chemical Resistance - Concentrated Acids	Good
Chemical Resistance - Dilute Acids	Good
Chemical Resistance - Halogens	Good - Poor
Chemical Resistance - Metals	Fair

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CGOODF244 / 197407

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