SiAlON Ceramic Material

SiAlON, Silicon Aluminum Oxynitride, is an exceptional material for high-temperature applications that are subject to thermal shock. SiAlON Ceramics are an outstanding choice for extreme structural applications with high-temperature exposure.

Applications

  • Semiconductor equipment parts
  • General industry machinery parts
  • Heat resistant parts
  • Abrasion resistant parts

Silicon Nitride Ceramics Products Photo

Properties

General propertiesMain component purity (wt%)90
ColorGray
Density (g/cm3)3.2
Water absorption (%)0
Mechanical propertiesBending strength (MPa)880
Young’s modulus (GPa)290
Vickers hardness (GPa)12
Thermal propertiesMax. operating temperature (°C)1300
Coefficient of thermal expansion (1/°C×10-6)RT~500°C2.4
RT~800°C2.9
Coefficient of thermal conductivity (W/m×K)27
Thermal shock resistance ΔT (°C)800
Electrical propertiesVolume resistivity25°C1015
300°C
500°C
800°C
Dielectric constant10GHz8
Dielectric loss (×10-4)14
Q factor (×104)0.7
Dielectric breakdown voltage (KV/mm)15