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High-temperature reaction of aluminum oxide with boron in vacuum

  • Powder Materials, Parts and Coatings
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Powder Metallurgy and Metal Ceramics Aims and scope

Abstract

The reaction of aluminum oxide with boron in vacuum was studied over a wide range of temperatures. Analysis of the reaction products was carried out by chemical, x-ray diffraction, optical, and metallographic methods. The temperature dependence of the reaction was determined. A high boron phase of the composition AlB18–31 is produced by the borothermic reduction of aluminum oxide. The crystalline phase possesses a hexagonal structure with the elementary cell parameters a = 1.097, c = 2.378 nm. Aluminum dodecaboride and diboride phases were not detected in the reaction products.

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References

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Authors
  1. A. I. Kharlamov
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  2. V. V. Fomenko
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  3. N. V. Kirillova
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Additional information

Materials Science Institute, Ukrainian Academy of Sciences, Kiev. Ukrainian State University of Food Technology, Kiev. T. Shevchenko National University, Kiev. Translated from Poroshkovaya Metallurgiya, Nos. 5–6, pp. 20–27, May–June, 1996. Original article submitted April 15, 1994.

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Kharlamov, A.I., Fomenko, V.V. & Kirillova, N.V. High-temperature reaction of aluminum oxide with boron in vacuum. Powder Metall Met Ceram 35, 235–240 (1996). https://doi.org/10.1007/BF01328825

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  • DOI: https://doi.org/10.1007/BF01328825

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