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

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Ceramic Properties - Silicon

Silicon is frequently used in semiconductor applications. Single crystal silicon is anisotropic in nature. Dopants, crystallographic direction, purity (and resistance) make this a highly versatile design for ceramic parts.

PropertiesUnitsTestValue
Physical
Chemical FormulaSi
Density, rg/cm3ASTM C202.33
Colorgray
Crystal Structurecubic
Water Absorption% @R.T.ASTM C3730.0
HardnessMoh's7
Hardnessknoop (kg/mm2)Knoop 100g1150
Mechanical
Compressive StrengthMPa @ R.T.ASTM C773120
Tensile StrengthMPa @ R.T.ACMA Test #4113
Modulus of Elasticity
(Young's Mod.)
GPaASTM C848112
Flexural Strength (MOR)MPa @ R.T.ASTM F417~ 300
Poisson's Ratio, uASTM C8180.28
Fracture Toughness, KIcMPa x m1/2Notched Beam Test3.0 - 6.0
Thermal
Max. Use Temperature
(* denotes inert atm.)
CNo load cond.1350
Thermal Shock ResistanceDT (C)Quenching--
Thermal ConductivityW/m-K @ R.T.ASTM C408125
Coefficient of Linear Thermal Expansion, almm/m-C (~25C through 1000C)ASTM C3722.49 - 4.44
Specific Heat, cpcal/g-C @ R.T.ASTM C3510.18
Electrical
Dielectric Constant1MHz @ R.T.ASTM D15011.8
Dielectric StrengthkV/mmASTM D116--
Electrical ResistivityWcm @ R.T.ASTM D182910-3

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

Click here to find suppliers

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