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  • Porcelain
    on the K20-Al203-SiO2 or Mg0-Al203-SiO2 ternary systems.  The term "porcelain"comes from the Italian word "porcell" which means "little pig", a name given to a smooth, white cowrie shell.
  • Silicon Nitride (Si3N4)
    Silicon nitride (Si3N4) is a compound of silicon and nitrogen. Silicon nitride has superior mechanical properties and forms a protective SiO2 skin at high temperatures. Silicon nitride is difficult to sinter by conventional means because the material dissociates above 1800oC.
  • Electrical Insulators and Dielectric Materials
    in order to have sufficient resistance to thermal shock. The porosity must be very low. The surface vitrification must be perfect to avoid water absorption and improve mechanical resistance. The most commonly used materials are porcelains, mainly ternary compounds (Al2O3-SiO2-MgO). Such insulators
  • Silicon Carbide (SiC)
    , refractory cements and abrasives.  Alumina's main drawback is its relatively poor thermal shock resistance compared to materials with lower coefficients of thermal expansion.  Silicon carbide forms a protective SiO2 skin that to prevents further oxidation at very high temperatures in non-reducing
  • Managing State Data in Automotive Safety Systems
    devices have polysilicon gate isolated from the channel by a thin SiO2 layer (see fig 1).

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