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Ensinger PEI

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Silicon Carbide, Reaction-Bonded, SiSiC
Categories: Ceramic; Carbide; Ceramic Matrix Composite

Material Notes: Reaction bonded silicon carbide consists of SiC particles in a matrix of excess silicon. It is made by reaction of molten silicon with carbon or carbon + SiC to produce the silicon matrix composite.

Key attributes include wear/abrasion resistance, low density, ease of forming complex shapes with tight tolerances, and resistance to corrosion, oxidation, and high temperatures. These attributes lead to its application in furnace/kiln components, tribological uses/wear components, seals, nozzles, etc.

Information assembled by MatWeb from proprietary grades in our data collection.

Key Words: RBSC
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Physical PropertiesOriginal ValueComments
Density 2.90 - 3.10 g/cc
Water Absorption 0.0 %
 
Mechanical PropertiesOriginal ValueComments
Knoop Microhardness 1000 - 1500
@Load 2.00 kg
kg/mm2
Modulus of Elasticity 350 - 400 GPa
Flexural Strength 150 - 450 MPa
Compressive Strength 1500 - 2500 MPa
Poissons Ratio 0.17 - 0.20
Fracture Toughness 3.00 - 5.00 MPa-m½
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 1000 ohm-cm
 
Thermal PropertiesOriginal ValueComments
CTE, linear 2.90 - 5.00 µm/m-°C
@Temperature 25.0 - 100 °C
Specific Heat Capacity 0.700 J/g-°C
Thermal Conductivity 100 - 180 W/m-K
Maximum Service Temperature, Air 1000 - 1400 °C
 
Descriptive Properties
MatrixSi
Particle ReinforcementSiC70-80 vol% typical

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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