This technical information has been contributed by
Ferro-Ceramic Grinding, Inc.

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Ceramic Properties - Silicon Carbide (SiC)

SiC is an artificial (man-made) mineral known for its very high hardness and abrasion resistance. Common ceramic parts applications include pump seals, valve components, and wear intensive applications such as rollers and paper industry retainers.

PropertiesUnitsTestValue
Physical
Chemical Formulaa-SiC
Density, rg/cm3ASTM C203.21
Colordark gray
Crystal Structurehexagonal
Water Absorption% @R.T.ASTM C3730.0
HardnessMoh's9 - 10
Hardnessknoop (kg/mm2)Knoop 100g2800
Mechanical
Compressive StrengthMPa @ R.T.ASTM C7731725 - 2500
Tensile StrengthMPa @ R.T.ACMA Test #4310
Modulus of Elasticity
(Young's Mod.)
GPaASTM C848476
Flexural Strength (MOR)MPa @ R.T.ASTM F417324
Poisson's Ratio, uASTM C8180.19
Fracture Toughness, KIcMPa x m1/2Notched Beam Test4.0
Thermal
Max. Use Temperature
(* denotes inert atm.)
CNo load cond.1400
Thermal Shock ResistanceDT (C)Quenching350 - 500
Thermal ConductivityW/m-K @ R.T.ASTM C40841
Coefficient of Linear Thermal Expansion, almm/m-C (~25C through 1000C)ASTM C3725.12
Specific Heat, cpcal/g-C @ R.T.ASTM C3510.15
Electrical
Dielectric Constant1MHz @ R.T.ASTM D15010.2
Dielectric StrengthkV/mmASTM D116--
Electrical ResistivityWcm @ R.T.ASTM D1829108

This technical information has been contributed by
Ferro-Ceramic Grinding, Inc.

Click here to find suppliers

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