Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Materials Development in α-Sialon Ceramics

  • Mitomo Mamoru (National Institute for Materials Science, Namiki) ;
  • Xie Rong-Jun (National Institute for Materials Science, Namiki) ;
  • Hirosaki Naoto (National Institute for Materials Science, Namiki)
  • Published : 2006.08.01
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Abstract

The solid solutions of ${\alpha}-Si_3N_4$, i.e. ${\alpha}$-sialons, are represented by a general formula of $M_x(Si,Al)_{12}(O,N)_{16}$, in which metal ions (M) dissolve into interstitial sites to stabilize the structure. Processing methods for the fabrication of ${\alpha}/{\beta}$-sialon composites, ${\alpha}-sialon/{\beta}Si_3N_4$ composites, refractory or tough ${\alpha}$-sialon ceramics have been developed to tailor the mechanical properties. Translucent and photoluminescent properties have been investigated recently. A number of applications of ${\alpha}$-sialon ceramics as engineering and optical ceramics are also presented.

Keywords

References

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