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SUPERSiC-3CX

SUPERSiC that has been coated twice with a 75 μm CVD SiC coating, which seals the surface.
 
  • Ideal for high-temperature anneal processes
 
SUPERSiC-3CX
Apparent density:
 3.15 g/cm3 (0.114 lb/in3)
Bulk density:
 2.55 g/cm3 (0.092 lb/in3)
Total porosity:
 20% (porosity is sealed under the dense coating, porosity is not exposed to the process)
Open porosity:
 0% (porosity sealed off by CVD SiC coating)
Total impurity level:
 <10 ppm
Flexural strength:
 155 MPa (22,400 psi)
Tensile strength:
 129 MPa (18,700 psi)
Elastic modulus:
 216 GPa (31 106 psi)
Specific stiffness:
 85 kN.m/g
Poisson’s ratio:
 0.17
Dynamic shear modulus:
 96 GPa (14 106 psi)
Fracture toughness:
 2.3 MPa.m0.5
Thermal diffusivity:
 100 mm2/s
Thermal conductivity:
 170 W/m-K (98 BTU-ft/hr/ft2°F)
Electrical resistivity:
 4000 μΩ-cm (1570 μΩ-in)
Instantaneous CTE at RT:
 2.4 10-6/K (1.3 10-6/°F)