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PRODUCT DATA of Silicon
MaterialSilicon
Chemical Composition100Si
EXPERIENCE IN PRACTICE
Equivalent DesignationsSi
PHYSICAL PROPERTIES
Atomic Number14
Atomic Weight28.1 amu
Work Function4.2 eV
Crystal StructureDiamond
Specific Gravity2.33
ELASTIC PROPERTIES
Tensile Modulus112 GPa
Bulk Modulus100 GPa
Poisson Ratio0.42
ELECTRICAL PROPERTIES
Electrical Volume Resistivity0.000023 ohm.m
Dielectric Constant11.8
THERMAL PROPERTIES
Temperature Range1350 °C(maximum)
Thermal Conductivity156 W/m.K
Thermal Expansion Coefficient4.7 to 7.6 μstrain/°C
Melting Range1410 °C
Specific Heat0.628 J/g.K
OPTICAL PROPERTIES
Refractive Index1.54
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
EMF vs SCE-0.24 V
Remark: Measured in 3.5% NaCl solution
Data Quality: Design Data