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Russian Journal of Physical Chemistry B

, Volume 4, Issue 2, pp 304–307 | Cite as

Autowave synthesis of cast aluminum oxynitrides with a high nitrogen content

Combustion, Explosion, and Shock Waves

Abstract

Aluminum oxynitrides Al22O30N2 and Al23O27N5 and a number of Al-O-N solid solutions with a nitrogen content of 2.3 to 6.5 wt % were prepared from (CrO3-Al-Al2O3-AlN) thermite-type mixtures with a high combustion temperature (2950–3200 K) by using the autowave synthesis method. The synthesis was conducted in a hermetically sealed reactor at an initial nitrogen pressure of 4.0 to 8.0 MPa. The aluminum nitride content was demonstrated to influence the nitrogen content in cast aluminum oxynitrides and on their microstructure and phase composition.

Keywords

Nitrogen Content Combustion Temperature Electron Microprobe Analysis Initial Mixture Burning Velocity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2010

Authors and Affiliations

  • V. A. Gorshkov
    • 1
  • A. G. Tarasov
    • 1
  • V. I. Yukhvid
    • 1
  1. 1.Institute of Structural Macrokinetics and Problems of Materials ScienceRussian Academy of SciencesChernogolovka, Moscow oblastRussia

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