Journal of Materials Science

, Volume 26, Issue 8, pp 2076–2080 | Cite as

Phase equilibria in ternary RE-Si-N systems (RE=Sc, Ce, Ho)

  • F. Weitzer
  • J. C. Schuster
  • J. Bauer
  • B. Jounel


Phase equilibria in the ternary systems Sc-Si-N, Ce-Si-N and Ho-Si-N at 1000 °C and the binary boundary system Ho-Si are investigated. No new binary or ternary phases are found. In all three systems the respective rare-earth mononitride dominates the ternary phase fields and, with the exception of HoSi2 in the Ho-Si-N system, coexists with all binary suicides. Thus Si3N4 is decomposed in contact with either scandium, cerium or holmium with the formation of ScN + ScSi2−x, CeN + CeSi2 and HoN + HoSi2−x, respectively.


Polymer Cerium Phase Equilibrium Ternary System Phase Field 
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Copyright information

© Chapman and Hall Ltd. 1991

Authors and Affiliations

  • F. Weitzer
    • 1
  • J. C. Schuster
    • 1
  • J. Bauer
    • 2
  • B. Jounel
    • 2
  1. 1.Institut für physikalische ChemieUnivis'tät WienWienAustria
  2. 2.Institute de MétallurgieINSA RennesRennesFrance

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