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Master Bond adhesives

Diamond, Natural
Categories: Carbon; Diamond; Pure Element

Key Words: Diamonds, Carbon, C
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Physical PropertiesMetricEnglishComments
Density 3.51 - 3.52 g/cc0.127 - 0.127 lb/in³
a Lattice Constant 3.5597 Å3.5597 Å
Volume Compressibility, 10^-10 m²/N 1818
 
Chemical PropertiesMetricEnglishComments
Atomic Mass 12.010712.01071995
 
Mechanical PropertiesMetricEnglishComments
Hardness, Knoop 80008000
Knoop Microhardness 58 - 8858 - 88GPa; (110),(111) faces
 7979GPa
 56 - 10256 - 102GPa; (001) face
Vickers Microhardness 9898in GPa; (111) face
 88 - 14788 - 147in GPa; (001) face
Hardness, Mohs 1010
Abrasive Hardness 140000140000
Modulus of Elasticity 700 - 1200 GPa102000 - 174000 ksi
Compressive Strength 8680 - 16530 MPa1.26e+6 - 2.397e+6 psi
Poissons Ratio 0.10 - 0.290.10 - 0.29
Fracture Toughness 3.40 MPa-m½3.09 ksi-in½
 
Electrical PropertiesMetricEnglishComments
Magnetic Susceptibility -0.00000588-0.00000588Atomic (cgs)
Dielectric Constant 5.5 - 5.7
@Frequency 1e+6 Hz
5.5 - 5.7
@Frequency 1e+6 Hz
Dielectric Strength 1000 kV/mm25400 kV/in
Dissipation Factor 0.000200.00020
Band Gap 5.2 - 5.6 eV
@Temperature 0.000 °C
5.2 - 5.6 eV
@Temperature 32.0 °F
Electron Mobility, cm²/V-s 1800 - 22001800 - 2200
Hole Mobility, cm²/V-s 1200 - 16001200 - 1600
 
Thermal PropertiesMetricEnglishComments
CTE, linear 1.18 µm/m-°C
@Temperature 20.0 °C
0.656 µin/in-°F
@Temperature 68.0 °F
Specific Heat Capacity 0.5079 J/g-°C0.1214 BTU/lb-°FCrystal
Thermal Conductivity 2000 W/m-K13900 BTU-in/hr-ft²-°F
Heat of Formation 1.900 kJ/mol1.900 kJ/molCrystal
Debye Temperature 2067 °C3753 °F
Decomposition Temperature 707 °C1300 °FTransition to graphite
 
Optical PropertiesMetricEnglishComments
Refractive Index 2.4192.419
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 100 %100 %
 
Descriptive Properties
CAS Number7782-40-3
ColorClearImpurities (i.e. Nitrogen) and irradiation can change color to yellow, green, blue, pink, or brown.
Crystal StructureCubicDiamond - Space Group Fd3m

References for this datasheet.

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