The following positive features should be emphasized:

  • low density,
  • great hardness,
  • high mechanical strength,
  • Dimensional stability (specific stiffness),
  • Wear resistance,
  • Corrosion resistance (resistance to chemical influences),
  • Weather resistance,
  • high permissible operating temperature,
FeatureCeramicsMetalPolymers
Hardness
E-modulus
High temperature resistance
Thermal expansion
Ductility
Corrosion resistance
Wear resistance
Electrical conductivity
Density
Thermal conductivity