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Elmet Technologies

Hafnium Carbide, HfC
Categories: Ceramic; Carbide

Material Notes: CAS Number: 12069-85-1

Physical Form: Refractory Cubic Crystals

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Physical PropertiesMetricEnglishComments
Density 12.2 g/cc0.441 lb/in³typical processed
 12.76 g/cc0.4610 lb/in³theoretical
Molecular Weight 190.5 g/mol190.5 g/mol
 190.5 g/mol190.5 g/mol
 
Mechanical PropertiesMetricEnglishComments
Knoop Microhardness 2000 - 25002000 - 250050 g load
 2260 - 30502260 - 3050100 g load
Vickers Microhardness 1800 - 25001800 - 2500200 g load, single crystal
Modulus of Elasticity 352 GPa51100 ksi
Poissons Ratio 0.180.18
Shear Modulus 149 GPa21600 ksiCalculated
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.000109 ohm-cm0.000109 ohm-cm
 
Thermal PropertiesMetricEnglishComments
CTE, linear 6.60 µm/m-°C
@Temperature 20.0 °C
3.67 µin/in-°F
@Temperature 68.0 °F
Melting Point 3000 °C5430 °F
 3900 °C7050 °F
 
Descriptive Properties
Crystal StructureCubicNaCl Structure
SolubilitySoluble in HF

References for this datasheet.

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