Schunk SiC30 Silicon Carbide/Graphite Composite

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Schunk SiC30 Silicon Carbide/Graphite Composite
Categories:	Ceramic; Ceramic Matrix Composite
Material Notes:	Applications: The main fields of application of the SiC30 material are sliding rings and bearings for use in media with a poor lubricating capacity. The combination of excellent properties of graphite (good emergency-running properties, thermal shock resistance, etc.) and silicon carbide (hardness, strength, abrasion resistance) combined with an exceptional structure allows solving problems that would not be possible with other materials. The best results are often achieved with the material pairing of SiC30 to SiC30. The material is resistant to: aqueous salt solutions organic reagents strong acids (HF, HCl, H2SO4, HNO3) hot inert gases Information provided by Schunk Graphite Technology, LLC
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Physical Properties	Original Value	Comments

Bulk Density	2.65 g/cc

Mechanical Properties	Original Value	Comments
Modulus of Elasticity	140 GPa
Flexural Strength	140 MPa
Compressive Strength	500 MPa

Thermal Properties	Original Value	Comments
CTE, linear	3.00 µm/m-°C @Temperature 20.0 - 200 °C
	4.00 µm/m-°C @Temperature 200 - 600 °C
Thermal Conductivity	125 W/m-K

Component Elements Properties	Original Value	Comments
SiC	53 %
Silicon, Si	4.0 %

Descriptive Properties
Graphite	43
Hardness	Consists of a hard SiC- and a soft graphite phase
Inert Atmosphere	2300°C
Oxidizing Atmosphere	500°C
Spec. Electr. Resistance	120 µOm

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CSCHU001 / 194758

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