Reactions and phase relations of the system Si3N4-SiC-ZrC-ZrN at 1650°C under 1 atm N2

Masahiro Yoshimura, Naotoshi Morita, Masao Nishioka, Shigeyuki Somiya

Research output: Contribution to journalArticle

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Abstract

Reactions among Si3N4, SiC, ZrC, ZrN and C were investigated under 1 atm N2 at 1650°C. Compatibility relations among the compounds coexisting with 1 atm N2 in the system Si-Zr-C-N were determined. Equilibrium states were confirmed by the fact that reaction products obtained from nitridation reactions were identical with those from decomposition of nitrides and by thermochemical calculation. The reaction products obtained from the starting sample of ZrC-Si3N4, were zirconium carbonitride and SiC, and those from ZrN-SiC were zirconium carbonitride and Si3N4. The lattice parameter of the zirconium carbonitride varied with the composition of the starting sample. The isobaric and isothermal section of the system Si-Zr-C-N includes 2 three-phase triangles.

Original languageEnglish
Pages (from-to)923-928
Number of pages6
JournalNippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
Volume97
Issue number9
Publication statusPublished - 1989 Dec 1

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Carbon nitride
Zirconium
Reaction products
reaction products
Nitridation
triangles
Nitrides
compatibility
Lattice constants
nitrides
lattice parameters
Decomposition
decomposition
Chemical analysis
silicon nitride

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

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title = "Reactions and phase relations of the system Si3N4-SiC-ZrC-ZrN at 1650°C under 1 atm N2",
abstract = "Reactions among Si3N4, SiC, ZrC, ZrN and C were investigated under 1 atm N2 at 1650°C. Compatibility relations among the compounds coexisting with 1 atm N2 in the system Si-Zr-C-N were determined. Equilibrium states were confirmed by the fact that reaction products obtained from nitridation reactions were identical with those from decomposition of nitrides and by thermochemical calculation. The reaction products obtained from the starting sample of ZrC-Si3N4, were zirconium carbonitride and SiC, and those from ZrN-SiC were zirconium carbonitride and Si3N4. The lattice parameter of the zirconium carbonitride varied with the composition of the starting sample. The isobaric and isothermal section of the system Si-Zr-C-N includes 2 three-phase triangles.",
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year = "1989",
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publisher = "Ceramic Society of Japan/Nippon Seramikkusu Kyokai",
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}

Reactions and phase relations of the system Si3N4-SiC-ZrC-ZrN at 1650°C under 1 atm N2. / Yoshimura, Masahiro; Morita, Naotoshi; Nishioka, Masao; Somiya, Shigeyuki.

In: Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan, Vol. 97, No. 9, 01.12.1989, p. 923-928.

Research output: Contribution to journalArticle

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T1 - Reactions and phase relations of the system Si3N4-SiC-ZrC-ZrN at 1650°C under 1 atm N2

AU - Yoshimura, Masahiro

AU - Morita, Naotoshi

AU - Nishioka, Masao

AU - Somiya, Shigeyuki

PY - 1989/12/1

Y1 - 1989/12/1

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AB - Reactions among Si3N4, SiC, ZrC, ZrN and C were investigated under 1 atm N2 at 1650°C. Compatibility relations among the compounds coexisting with 1 atm N2 in the system Si-Zr-C-N were determined. Equilibrium states were confirmed by the fact that reaction products obtained from nitridation reactions were identical with those from decomposition of nitrides and by thermochemical calculation. The reaction products obtained from the starting sample of ZrC-Si3N4, were zirconium carbonitride and SiC, and those from ZrN-SiC were zirconium carbonitride and Si3N4. The lattice parameter of the zirconium carbonitride varied with the composition of the starting sample. The isobaric and isothermal section of the system Si-Zr-C-N includes 2 three-phase triangles.

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