Fabrication of Si3N4 Ceramics with Additives Of Metal Nitrides by High Pressure Hot-Pressing and Hiping

  • Masahiko Shimada
  • Norimasa Uchida
  • Mitsue Koizumi
Part of the Materials Science Research book series (MSR, volume 17)


High dense Si3N4 ceramic bodies with additives of nitrides such as A1N, TiN, YN, VN, NbN and ZrN were fabricated by high pressure hot-pressing and HIPing under the conditions of 0.15–3.0 GPa and 1650°C–1800°C for 1 hour. Temperature dependences of Vickers microhardness (Hv) and fracture toughness (KIC) were measured from room temperature to 1200°C. Only little change in Hv and KIC was observed in this temperature range.


Fracture Toughness Vickers Microhardness Glassy Phasis Metal NITRIDES Si3N4 Ceramic 


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Copyright information

© Plenum Press, New York 1984

Authors and Affiliations

  • Masahiko Shimada
    • 1
  • Norimasa Uchida
    • 1
  • Mitsue Koizumi
    • 1
  1. 1.Institute of Scientific and Industrial ResearchOsaka UniversitySuita, Osaka 565Japan

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