Low REsistivity Silicon Carbide

EDM Material Silicon Carbide Machining

Calix Ceramic Solutions offers a low resistivity sintered silicon carbide (SiC) that is an Electrical Discharge Machineable (EDM) material. The material’s high density and uniform low electrical resistivity allow it to be a successful EDM material.

SiC Sintered silicon carbide EDM
die-sinking EDM sintered silicon carbide

Low Resistivity Silicon Carbide Properties

All properties are at room temperature (20°C) unless otherwise stated.

Composition Grain Size (μm) Density (g/cc) Hardness (Vickers) (GPa) Young's Modulus Coefficient of Thermal Expansion - 20-700°C (ppm/K) Thermal Conductivity (W/mK) Electrical Resitivity - Four Terminal (Ω-cm)
SiC 4-10 2.90-2.96 15 256-296 4.1 140 10^-2