Investigation into the Vaporization of Al₂O₃ in the Presence
of Carbon at High Temperatures

Yu. K. Folomeikin^a, I. M. Demonis^a, E. N. Kablov^a, S. I. Lopatin^a, and V. L. Stolyarova^b

^a Faculty of Chemistry, St. Petersburg State University, Universitetskii pr. 26, Petrodvorets, 198504 Russia

^b Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences,
ul. Odoevskogo 24/2, St. Petersburg, 199155 Russia

Received March 31, 2005

Abstract—The vaporization of aluminum under reducing conditions is studied by the Knudsen method with
mass-spectrometric analysis of the vapor phase. It is shown that, in the presence of carbon, the relative content
of Al₂O in the vapor increases as compared to the vaporization under neutral conditions and the vaporization
temperature of aluminum-containing molecules is reduced.

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