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Magnesium-Aluminate Spinel Fibers Obtained by the Sol-Gel Method

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The sol-gel process of obtaining magnesium-aluminate spinel fibers from a fiber-forming precursor based on aluminum and magnesium polycarboxylates was studied. It was shown that in principle discrete fibers of stoichiometric spinel can be obtained by means of aerodynamic spraying. The results of surface morphology, fine structure, and phase composition studies of the fibers are presented. It is shown that the obtained fibers have a uniform and polycrystalline structure with practically no nonfibrous inclusions in the fibrous mass. The phase composition corresponds to the stoichiometry of spinel.

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Authors and Affiliations

  1. All-Russia Scientific-Research Institute of Aviation Materials (VIAM), Moscow, Russia

    Yu. A. Balinova, G. Yu. Lyulyukina & S. G. Kolyshev

Authors
  1. Yu. A. Balinova
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  2. G. Yu. Lyulyukina
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  3. S. G. Kolyshev
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Correspondence to Yu. A. Balinova.

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Translated from Steklo i Keramika, No. 8, pp. 28 – 33, August, 2019.

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Balinova, Y.A., Lyulyukina, G.Y. & Kolyshev, S.G. Magnesium-Aluminate Spinel Fibers Obtained by the Sol-Gel Method. Glass Ceram 76, 302–306 (2019). https://doi.org/10.1007/s10717-019-00188-1

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