Phase Transformations in High-Temperature Fiber Materials Exposed to Non-Equilibrium Flow of Heat and Light

The changes of the phase composition and structure of modern ceramic materials on exposure to an intense flow of light were investigated. The technological possibilities of a unique facility — Big Solar Furnace — were used to perform the experiment. It was shown that surface treatment of a ceramic material in the system Al2O3–SiO2 by a high-temperature source of energy results in the appearance of two new phase compositions — α-Al2O3 and cristobalite. Treatment of the material in the fusion regime promotes the formation of a eutectic component.

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This work was supported by RFBR grant No. 18-58-41008.

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Correspondence to V. G. Babashov.

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Translated from Steklo i Keramika, No. 10, pp. 14 – 22, October, 2019.

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Babashov, V.G., Suleimanov, S.K., Skripachev, S.Y. et al. Phase Transformations in High-Temperature Fiber Materials Exposed to Non-Equilibrium Flow of Heat and Light. Glass Ceram 76, 374–380 (2020).

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Key words

  • solar furnace
  • ceramic fiber
  • composite material
  • fibrous structure