A sol-gel process for producing aluminum-magnesium spinel fibers from a fiber-forming precursor based on aluminum and magnesium polycarboxylates is considered. The principal possibility of obtaining discrete fibers of stoichiometric spinel by the method of aerodynamic spraying is shown. The results of studies of surface morphology, fine structure and phase composition of fibers are presented. It is shown that the structure of the fibers obtained is uniform, polycrystalline, and there are practically no non-fibrous inclusions in the pulp. The phase composition corresponds to the spinel stoichiometry
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